GE
Data Sheet
July 22, 2019
©2012 General Electric Company. All rights reserved.
40A Analog MegaDLynxTM: Non-Isolated DC-DC Power Modules
4.5Vdc –14.4Vdc input; 0.6Vdc to 2.0Vdc output; 40A Output Current
Features
▪ Compliant to RoHS EU Directive 2011/65/EU (Z versions)
▪ Compliant to RoHS EU Directive 2011/65/EU under exemption
7b (Lead solder exemption). Exemption 7b will expire after June 1,
2016 at which time this produc twill no longer be RoHS compliant
(non-Z versions)
▪ Compliant to IPC-9592 (September 2008), Category 2, Class II
▪ Compatible in a Pb-free or SnPb reflow environment (Z versions)
▪ Wide Input voltage range (4.5Vdc-14.4Vdc)
▪ Output voltage programmable from 0.6Vdc to 2.0Vdc via
external resistor.
▪ Tunable LoopTM to optimize dynamic output voltage response.
▪ Power Good signal.
▪ Fixed switching frequency with capability of external
synchronization.
▪ Output overcurrent protection (non-latching).
▪ Over temperature protection.
▪ Remote On/Off.
▪ Ability to sink and source current.
▪ Cost efficient open frame design.
▪ Small size: 33.02 mm x 13.46 mm x 10.9 mm
(1.3 in x 0.53 in x 0.429 in)
▪ Wide operating temperature range [-40°C to 105°C
(Ruggedized: -D), 85°C(Regular).
▪ Ruggedized (-D) version able to withstand high levels of shock
and vibration
▪ UL* 60950-1 2nd Ed. Recognized, CSA† C22.2 No. 60950-1-
07 Certified, and VDE‡ (EN60950-1 2nd Ed.) Licensed
▪ ISO** 9001 and ISO 14001 certified manufacturing facilities
Description
The 40A Analog MegaDLynxTM power modules are non-isolated dc-dc converters that can deliver up to 40A of output current. These
modules operate over a wide range of input voltage (VIN = 4.5Vdc-14.4Vdc) and provide a precisely regulated output voltage from
0.6Vdc to 2.0Vdc, programmable via an external resistor. Features include remote On/Off, adjustable output voltage, over current and
overtemperature protection. The module also includes the Tunable LoopTM feature that allows the user to optimize the dynamic
response of the converter to match the load with reduced amount of output capacitance leading to savings on cost and PWB area.
* UL is a registered trademark of Underwriters Laboratories, Inc.
† CSA is a registered trademark of Canadian Standards Association.
‡ VDE is a trademark of Verband Deutscher Elektrotechniker e.V.
** ISO is a registered trademark of the International Organization of Standards
TRIM
VOUT
VS+
GND
RTUNE
CTUNE
RTrim
VIN
Co
Cin
Vout+
Vin+
ON/OFF
SEQ
MODULE
PGOOD
SIG_GND
VS-
GND
SYNC
RoHS Compliant
SHARE
GE
Data Sheet
40A Analog MegaDLynxTM: Non-Isolated DC-DC Power Modules
4.5Vdc –14.4Vdc input; 0.6Vdc to 2.0Vdc output; 40A Output Current
July 22, 2019
©2012 General Electric Company. All rights reserved.
Page 2
Absolute Maximum Ratings
Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. These are absolute stress ratings
only, functional operation of the device is not implied at these or any other conditions in excess of those given in the operations
sections of the data sheet. Exposure to absolute maximum ratings for extended periods can adversely affect the device reliability.
Parameter
Device
Symbol
Min
Max
Unit
Input Voltage
All
VIN
-0.3
15
V
Continuous
Operating Ambient Temperature
All
TA
-40
105
°C
(see Thermal Considerations section)
Storage Temperature
All
Tstg
-55
125
°C
Electrical Specifications
Unless otherwise indicated, specifications apply over all operating input voltage, resistive load, and temperature conditions.
Parameter
Device
Symbol
Min
Typ
Max
Unit
Operating Input Voltage
All
VIN
4.5
⎯
14.4
Vdc
Maximum Input Current
All
IIN,max
24
Adc
(VIN=4.5V to 14V, IO=IO, max )
Input No Load Current
(VIN = 12Vdc, IO = 0, module enabled)
VO,set = 0.6 Vdc
IIN,No load
54.7
mA
VO,set = 2Vdc
IIN,No load
104
mA
Input Stand-by Current
(VIN = 12Vdc, module disabled)
All
IIN,stand-by
12.5
mA
Inrush Transient
All
I2t
1
A2s
Input Reflected Ripple Current, peak-to-peak
(5Hz to 20MHz, 1μH source impedance; VIN =0 to 14V, IO= IOmax ;
See Test Configurations)
All
90
mAp-p
Input Ripple Rejection (120Hz)
All
-60
dB
GE
Data Sheet
40A Analog MegaDLynxTM: Non-Isolated DC-DC Power Modules
4.5Vdc –14.4Vdc input; 0.6Vdc to 2.0Vdc output; 40A Output Current
July 22, 2019
©2012 General Electric Company. All rights reserved.
Page 3
Electrical Specifications (continued)
Parameter
Device
Symbol
Min
Typ
Max
Unit
Output Voltage Set-point (with 0.1% tolerance for external
resistor used to set output voltage)
All
VO, set
-1.0
+1.0
% VO, set
Output Voltage (Over all operating input voltage, resistive load,
and temperature conditions until end of life)
All
VO, set
-3.0
⎯
+3.0
% VO, set
Adjustment Range (selected by an external resistor)
(Some output voltages may not be possible depending on the
input voltage – see Feature Descriptions Section)
All
VO
0.6
2.0
Vdc
Remote Sense Range
All
0.5
Vdc
Output Regulation
Line (VIN=VIN, min to VIN, max)
All
⎯
6
mV
Load (IO=IO, min to IO, max)
All
⎯
10
mV
Temperature (Tref=TA, min to TA, max)
All
0.4
% VO, set
Output Ripple and Noise on nominal output
(VIN=VIN, nom and IO=IO, min to IO, max Co = 0.1μF // 22 μF ceramic
capacitors)
Peak-to-Peak (5Hz to 20MHz bandwidth)
All
⎯
50
100
mVpk-pk
RMS (5Hz to 20MHz bandwidth)
All
20
38
mVrms
External Capacitance1
Without the Tunable LoopTM
ESR ≥ 1 mΩ
All
CO, max
6x47
⎯
6x47
μF
With the Tunable LoopTM
ESR ≥ 0.15 mΩ
All
CO, max
6x47
⎯
7000
μF
ESR ≥ 10 mΩ
All
CO, max
6x47
⎯
8500
μF
Output Current (in either sink or source mode)
All
Io
0
40
Adc
Output Current Limit Inception (Hiccup Mode)
(current limit does not operate in sink mode)
All
IO, lim
150
% Io,max
Output Short-Circuit Current
All
IO, s/c
2.1
Arms
(VO≤250mV) ( Hiccup Mode )
Efficiency
VO,set = 0.6Vdc
η
78.0
81.3
%
VIN= 12Vdc, TA=25°C
VO, set = 1.2Vdc
η
84.0
88.5
%
IO=IO, max , VO= VO,set
VO,set = 1.8Vdc
η
85.25
91.5
%
Switching Frequency
All
fsw
380
400
420
kHz
Frequency Synchronization
All
Synchronization Frequency Range
All
350
480
kHz
High-Level Input Voltage
All
VIH
2.0
V
Low-Level Input Voltage
All
VIL
0.4
V
Input Current, SYNC
All
ISYNC
100
nA
Minimum Pulse Width, SYNC
All
tSYNC
100
ns
Maximum SYNC rise time
All
tSYNC_SH
100
ns
1 External capacitors may require using the new Tunable LoopTM feature to ensure that the module is stable as well as getting the best transient response. See
the Tunable LoopTM section for details.
GE
Data Sheet
40A Analog MegaDLynxTM: Non-Isolated DC-DC Power Modules
4.5Vdc –14.4Vdc input; 0.6Vdc to 2.0Vdc output; 40A Output Current
July 22, 2019
©2012 General Electric Company. All rights reserved.
Page 4
General Specifications
Parameter
Device
Min
Typ
Max
Unit
Calculated MTBF (IO=0.8IO, max, TA=40°C) Telecordia Issue 2 Method
1 Case 3
All
6,498,438
Hours
Weight
⎯
11.7 (0.41)
⎯
g (oz.)
Feature Specifications
Unless otherwise indicated, specifications apply over all operating input voltage, resistive load, and temperature conditions. See
Feature Descriptions for additional information.
Parameter
Device
Symbol
Min
Typ
Max
Unit
On/Off Signal Interface
(VIN=VIN, min to VIN, max ; open collector or equivalent,
Signal referenced to GND)
Device is with suffix “4” – Positive Logic (See Ordering Information)
Logic High (Module ON)
Input High Current
All
IIH
⎯
10
µA
Input High Voltage
All
VIH
3.5
⎯
VIN,max
V
Logic Low (Module OFF)
Input Low Current
All
IIL
⎯
⎯
1
mA
Input Low Voltage
All
VIL
-0.3
⎯
0.4
V
Device Code with no suffix – Negative Logic (See Ordering
Information)
(On/OFF pin is open collector/drain logic input with
external pull-up resistor; signal referenced to GND)
Logic High (Module OFF)
Input High Current
All
IIH
―
―
1
mA
Input High Voltage
All
VIH
2
―
VIN, max
Vdc
Logic Low (Module ON)
Input low Current
All
IIL
―
―
10
μA
Input Low Voltage
All
VIL
-0.2
―
0.4
Vdc
Turn-On Delay and Rise Times
(VIN=VIN, nom, IO=IO, max , VO to within ±1% of steady state)
Case 1: On/Off input is enabled and then input power is
applied (delay from instant at which VIN = VIN, min until Vo =
10% of Vo, set)
All
Tdelay
1.0
1.1
1.7
msec
Case 2: Input power is applied for at least one second and
then the On/Off input is enabled (delay from instant at
which Von/Off is enabled until Vo = 10% of Vo, set)
All
Tdelay
600
700
1800
μsec
Output voltage Rise time (time for Vo to rise from
10% of Vo, set to 90% of Vo, set)
All
Trise
1.2
1.5
2.2
msec
Output voltage overshoot (TA = 25oC
VIN= VIN, min to VIN, max,IO = IO, min to IO, max)
With or without maximum external capacitance
0
1.5
3.0
% VO, set
GE
Data Sheet
40A Analog MegaDLynxTM: Non-Isolated DC-DC Power Modules
4.5Vdc –14.4Vdc input; 0.6Vdc to 2.0Vdc output; 40A Output Current
July 22, 2019
©2012 General Electric Company. All rights reserved.
Page 5
Feature Specifications (Continued)
Parameter
Device
Symbol
Min
Typ
Max
Units
Over Temperature Protection
(See Thermal Considerations section)
All
Tref
123
130
137
°C
Tracking Accuracy (Power-Up: 0.5V/ms)
All
VSEQ –Vo
100
mV
(Power-Down: 0.5V/ms)
All
VSEQ –Vo
100
mV
(VIN, min to VIN, max; IO, min to IO, max VSEQ < Vo)
Input Undervoltage Lockout
Turn-on Threshold
All
4.144
4.25
4.407
Vdc
Turn-off Threshold
All
3.947
3.98
4.163
Vdc
Hysteresis
All
0.25
0.3
0.35
Vdc
PGOOD (Power Good)
Signal Interface Open Drain, Vsupply 5VDC
Overvoltage threshold for PGOOD ON
All
103
108
113
%VO, set
Overvoltage threshold for PGOOD OFF
All
105
110
115
%VO, set
Undervoltage threshold for PGOOD ON
All
87
92
97
%VO, set
Undervoltage threshold for PGOOD OFF
All
85
90
95
%VO, set
Pulldown resistance of PGOOD pin
All
50
Sink current capability into PGOOD pin
All
5
mA
GE
Data Sheet
40A Analog MegaDLynxTM: Non-Isolated DC-DC Power Modules
4.5Vdc –14.4Vdc input; 0.6Vdc to 2.0Vdc output; 40A Output Current
July 22, 2019
©2012 General Electric Company. All rights reserved.
Page 6
Characteristic Curves
The following figures provide typical characteristics for the 40A Analog MegaDLynxTM at 0.6Vo and 25oC.
EFFICIENCY, (%)
OUTPUT CURRENT, Io (A)
OUTPUT CURRENT, IO (A)
AMBIENT TEMPERATURE, TA OC
Figure 1. Converter Efficiency versus Output Current.
Figure 2. Derating Output Current versus Ambient
Temperature and Airflow.
OUTPUT VOLTAGE
VO (V) (10mV/div)
OUTPUT CURRENT, OUTPUT VOLTAGE
IO (A) (20A/div) VO (V) (20mV/div)
TIME, t (1s/div)
TIME, t (20s /div)
Figure 3. Typical output ripple and noise (CO=6x47uF
ceramic, VIN = 12V, Io = Io,max, ).
Figure 4. Transient Response to Dynamic Load Change from
50% to 100% at 12Vin, Cout= 12x680uF+6x47uF, CTune=47nF,
RTune=180 ohms
OUTPUT VOLTAGE ON/OFF VOLTAGE
VO (V) (200mV/div) VON/OFF (V) (5V/div)
OUTPUT VOLTAGE INPUT VOLTAGE
VO (V) (200mV/div) VIN (V) (5V/div)
TIME, t (1ms/div)
TIME, t (1ms/div)
Figure 5. Typical Start-up Using On/Off Voltage (Io = Io,max).
Figure 6. Typical Start-up Using Input Voltage (VIN = 12V, Io =
Io,max).
70
75
80
85
90
010 20 30 40
Vin=14V
Vin=12V
Vin=4.5V
15
20
25
30
35
40
45
45 55 65 75 85 95 105
2m/s
(400LFM)
1.5m/s
(300LFM)
0.5m/s
(100LFM)
NC
Ruggedized (D)
Part (105 C)
Standard Part
(85 C)
1m/s
(200LFM)
GE
Data Sheet
40A Analog MegaDLynxTM: Non-Isolated DC-DC Power Modules
4.5Vdc –14.4Vdc input; 0.6Vdc to 2.0Vdc output; 40A Output Current
July 22, 2019
©2012 General Electric Company. All rights reserved.
Page 7
Characteristic Curves
The following figures provide typical characteristics for the 40A Analog MegaDLynxTM at 1.2Vo and 25oC.
EFFICIENCY, (%)
OUTPUT CURRENT, Io (A)
OUTPUT CURRENT, IO (A)
AMBIENT TEMPERATURE, TA OC
Figure 7. Converter Efficiency versus Output Current.
Figure 8. Derating Output Current versus Ambient Temperature
and Airflow.
OUTPUT VOLTAGE
VO (V) (10mV/div)
OUTPUT CURRENT, OUTPUT VOLTAGE
IO (A) (20A/div) VO (V) (20mV/div)
TIME, t (1s/div)
TIME, t (20s /div)
Figure 9. Typical output ripple and noise (CO= 6x47uF
ceramic, VIN = 12V, Io = Io,max, ).
Figure 10. Transient Response to Dynamic Load Change from
50% to 100% at 12Vin, Cout= 6x330uF, CTune=12nF & RTune=
200 ohms
OUTPUT VOLTAGE ON/OFF VOLTAGE
VO (V) (500mV/div) VON/OFF (V) (5V/div)
OUTPUT VOLTAGE INPUT VOLTAGE
VO (V) (500mV/div) Vin (V) (5V/div)
TIME, t (1ms/div)
TIME, t (1ms/div)
Figure 11. Typical Start-up Using On/Off Voltage (Io = Io,max).
Figure 12. Typical Start-up Using Input Voltage (VIN = 12V, Io =
Io,max).
70
75
80
85
90
95
010 20 30 40
Vin=14.4V
Vin=12V
Vin=4.5V
10
15
20
25
30
35
40
45
45 55 65 75 85 95 105
2m/s
(400LFM)
1.5m/s
(300LFM)
1m/s
(200LFM)
0.5m/s
(100LFM)
NC
Standard Part
(85 C)
Ruggedized (D)
Part (105 C)
GE
Data Sheet
40A Analog MegaDLynxTM: Non-Isolated DC-DC Power Modules
4.5Vdc –14.4Vdc input; 0.6Vdc to 2.0Vdc output; 40A Output Current
July 22, 2019
©2012 General Electric Company. All rights reserved.
Page 8
Characteristic Curves
The following figures provide typical characteristics for the 40A Analog MegaDLynxTM at 1.8Vo and 25oC.
EFFICIENCY, (%)
OUTPUT CURRENT, Io (A)
OUTPUT CURRENT, IO (A)
AMBIENT TEMPERATURE, TA OC
Figure 13. Converter Efficiency versus Output Current.
Figure 14. Derating Output Current versus Ambient
Temperature and Airflow.
OUTPUT VOLTAGE
VO (V) (20mV/div)
OUTPUT CURRENT, OUTPUT VOLTAGE
IO (A) (20A/div) VO (V) (20mV/div)
TIME, t (1s/div)
TIME, t (20s /div)
Figure 15. Typical output ripple and noise (CO=6x47uF
ceramic, VIN = 12V, Io = Io,max, ).
Figure 16. Transient Response to Dynamic Load Change from
50% to 100% at 12Vin, Cout=6X330uF, CTune=5.6nF &
RTune=220 ohms
OUTPUT VOLTAGE ON/OFF VOLTAGE
VO (V) (500mV/div) VON/OFF (V) (5V/div)
OUTPUT VOLTAGE INPUT VOLTAGE
VO (V) (500mV/div) VIN (V) (5V/div)
TIME, t (1ms/div)
TIME, t (1ms/div)
Figure 17. Typical Start-up Using On/Off Voltage (Io =
Io,max).
Figure 18. Typical Start-up Using Input Voltage (VIN = 12V, Io =
Io,max).
70
75
80
85
90
95
100
010 20 30 40
Vin=14.4V
Vin=12V
Vin=4.5V
5
10
15
20
25
30
35
40
45
45 55 65 75 85 95 105
2m/s
(400LFM)
1.5m/s
1m/s
(200LFM)
0.5m/s
(100LFM)
NC
Standard Part
(85 C)
Ruggedized (D)
Part (105 C)
GE
Data Sheet
40A Analog MegaDLynxTM: Non-Isolated DC-DC Power Modules
4.5Vdc –14.4Vdc input; 0.6Vdc to 2.0Vdc output; 40A Output Current
July 22, 2019
©2012 General Electric Company. All rights reserved.
Page 9
Design Considerations
Input Filtering
The 40A Analog MegaDLynxTM module should be
connected to a low ac-impedance source. A highly
inductive source can affect the stability of the module. An
input capacitance must be placed directly adjacent to the
input pin of the module, to minimize input ripple voltage
and ensure module stability.
To minimize input voltage ripple, ceramic capacitors are
recommended at the input of the module. Figure 19 shows
the input ripple voltage for various output voltages at 40A
of load current with 4x22 µF, 6x22µF or 8x22uF ceramic
capacitors and an input of 12V.
Figure 19. Input ripple voltage for various output
voltages with various external ceramic capacitors at
the input (40A load). Input voltage is 12V. Scope
Bandwidth limited to 20MHz
Output Filtering
These modules are designed for low output ripple voltage
and will meet the maximum output ripple specification with
0.1 µF ceramic and 47 µF ceramic capacitors at the output of
the module. However, additional output filtering may be
required by the system designer for a number of reasons.
First, there may be a need to further reduce the output ripple
and noise of the module. Second, the dynamic response
characteristics may need to be customized to a particular
load step change.
To reduce the output ripple and improve the dynamic
response to a step load change, additional capacitance at
the output can be used. Low ESR polymer and ceramic
capacitors are recommended to improve the dynamic
response of the module. Figure 20 provides output ripple
information for different external capacitance values at
various Vo and a full load current of 40A. For stable
operation of the module, limit the capacitance to less than
the maximum output capacitance as specified in the
electrical specification table. Optimal performance of the
module can be achieved by using the Tunable LoopTM feature
described later in this data sheet.
Figure 20. Output ripple voltage for various output
voltages with external 6x47 µF, 8x47 µF or 10x47 µF
ceramic capacitors at the output (40A load). Input voltage
is 12V. Scope Bandwidth limited to 20MHz
Safety Considerations
For safety agency approval the power module must be
installed in compliance with the spacing and separation
requirements of the end-use safety agency standards, i.e.,
UL 60950-1 2nd, CSA C22.2 No. 60950-1-07, DIN EN 60950-
1:2006 + A11 (VDE0805 Teil 1 + A11):2009-11; EN 60950-
1:2006 + A11:2009-03.
For the converter output to be considered meeting the
requirements of safety extra-low voltage (SELV), the input
must meet SELV requirements. The power module has
extra-low voltage (ELV) outputs when all inputs are ELV.
The input to these units is to be provided with a fast-acting
fuse with a maximum rating of 30A, 100V (for example,
Littlefuse 456 series) in the positive input lead.
50
100
150
200
250
300
350
400
0.6 0.8 1 1.2 1.4 1.6 1.8 2
Ripple Voltage (mVpk-pk)
Output Voltage (Volts)
4x22uF Ext Cap
6x22uF Ext Cap
8x22uF Ext Cap
0
10
20
30
40
0.6 0.8 1 1.2 1.4 1.6 1.8 2
Ripple (mVp-p)
Output Voltage(Volts)
6x47uF Ext Cap
8x47uF Ext Cap
10x47uF Ext Cap
GE
Data Sheet
40A Analog MegaDLynxTM: Non-Isolated DC-DC Power Modules
4.5Vdc –14.4Vdc input; 0.6Vdc to 2.0Vdc output; 40A Output Current
July 22, 2019
©2012 General Electric Company. All rights reserved.
Page 10
Analog Feature Descriptions
Remote On/Off
The 40A Analog MegaDLynxTM power modules feature an
On/Off pin for remote On/Off operation. Two On/Off logic
options are available. In the Positive Logic On/Off option,
(device code suffix “4” – see Ordering Information), the
module turns ON during a logic High on the On/Off pin and
turns OFF during a logic Low. With the Negative Logic On/Off
option, (no device code suffix, see Ordering Information), the
module turns OFF during logic High and ON during logic Low.
The On/Off signal should be always referenced to ground. For
either On/Off logic option, leaving the On/Off pin
disconnected will turn the module ON when input voltage is
present.
For positive logic modules, the circuit configuration for using
the On/Off pin is shown in Figure 21.
For negative logic On/Off modules, the circuit configuration is
shown in Fig. 22..
Figure 21. Circuit configuration for using positive On/Off
logic.
Figure 22. Circuit configuration for using negative On/Off
logic.
Monotonic Start-up and Shutdown
The module has monotonic start-up and shutdown behavior
for any combination of rated input voltage, output current
and operating temperature range.
Startup into Pre-biased Output
The module can start into a prebiased output as long as the
prebias voltage is 0.5V less than the set output voltage.
Analog Output Voltage Programming
The output voltage of the module is programmable to any
voltage from 0.6dc to 2.0Vdc by connecting a resistor
between the Trim and SIG_GND pins of the module. Certain
restrictions apply on the output voltage set point depending
on the input voltage. These are shown in the Output Voltage
vs. Input Voltage Set Point Area plot in Fig. 23. The Upper
Limit curve shows that for output voltages lower than 0.8V,
the input voltage must be lower than the maximum of
14.4V. The Lower Limit curve shows that for output voltages
higher than 0.6V, the input voltage needs to be larger than
the minimum of 4.5V.
Figure 23. Output Voltage vs. Input Voltage Set Point Area
plot showing limits where the output voltage can be set
for different input voltages.
VO(+)
TRIM
VS─
Rtrim
LOAD
VIN(+)
ON/OFF
VS+
SIG_GND
Caution – Do not connect SIG_GND to GND elsewhere in the
layout
Figure 24. Circuit configuration for programming output
voltage using an external resistor.
Without an external resistor between Trim and SIG_GND
pins, the output of the module will be 0.6Vdc.To calculate
the value of the trim resistor, Rtrim for a desired output
voltage, should be as per the following equation:
MODULE
Internal
Pullup
ON/OFF
I
10K
PWM Enable
470
ON/OFF
Q1
GND
VIN+
ON/OFF
10K
Rpullup
CR1
+
_
V
PWM Enable
VIN+
Internal
Pullup
22K
_
ON/OFF V
Rpullup
ON/OFF
MODULE
Q1
+Q3 10K
I470
GND 10K
22K
ON/OFF
GE
Data Sheet
40A Analog MegaDLynxTM: Non-Isolated DC-DC Power Modules
4.5Vdc –14.4Vdc input; 0.6Vdc to 2.0Vdc output; 40A Output Current
July 22, 2019
©2012 General Electric Company. All rights reserved.
Page 11
( )
−
=k
Vo
Rtrim 6.0
12
Rtrim is the external resistor in kΩ
Vo is the desired output voltage.
Table 1 provides Rtrim values required for some common
output voltages.
Table 1
VO, set (V)
Rtrim (KΩ)
0.6
Open
0.9
40
1.0
30
1.2
20
1.5
13.33
1.8
10
Remote Sense
The power module has a Remote Sense feature to minimize
the effects of distribution losses by regulating the voltage
between the sense pins (VS+ and VS-). The voltage drop
between the sense pins and the VOUT and GND pins of the
module should not exceed 0.5V.
Analog Voltage Margining
Output voltage margining can be implemented in the
module by connecting a resistor, Rmargin-up, from the Trim pin
to the ground pin for margining-up the output voltage and
by connecting a resistor, Rmargin-down, from the Trim pin to
output pin for margining-down. Figure 25 shows the circuit
configuration for output voltage margining. The POL
Programming Tool, available at www.GEpower.com under
the Downloads section, also calculates the values of Rmargin-
up and Rmargin-down for a specific output voltage and %
margin. Please consult your local GE technical
representative for additional details.
Figure 25. Circuit Configuration for margining Output
voltage.
Output Voltage Sequencing
The power module includes a sequencing feature, EZ-
SEQUENCE that enables users to implement various types of
output voltage sequencing in their applications. This is
accomplished via an additional sequencing pin. When not
using the sequencing feature, leave it unconnected.
The voltage applied to the SEQ pin should be scaled down
by the same ratio as used to scale the output voltage down
to the reference voltage of the module. This is accomplished
by an external resistive divider connected across the
sequencing voltage before it is fed to the SEQ pin as shown
in Fig. 26. In addition, a small capacitor (suggested value
100pF) should be connected across the lower resistor R1.
For all DLynx modules, the minimum recommended delay
between the ON/OFF signal and the sequencing signal is
10ms to ensure that the module output is ramped up
according to the sequencing signal. This ensures that the
module soft-start routine is completed before the
sequencing signal is allowed to ramp up.
Figure 26. Circuit showing connection of the sequencing
signal to the SEQ pin.
When the scaled down sequencing voltage is applied to the
SEQ pin, the output voltage tracks this voltage until the
output reaches the set-point voltage. The final value of the
sequencing voltage must be set higher than the set-point
voltage of the module. The output voltage follows the
sequencing voltage on a one-to-one basis. By connecting
multiple modules together, multiple modules can track their
output voltages to the voltage applied on the SEQ pin.
The module’s output can track the SEQ pin signal with
slopes of up to 0.5V/msec during power-up or power-down.
To initiate simultaneous shutdown of the modules, the SEQ
pin voltage is lowered in a controlled manner. The output
voltage of the modules tracks the voltages below their set-
point voltages on a one-to-one basis. A valid input voltage
must be maintained until the tracking and output voltages
reach ground potential.
Overcurrent Protection
To provide protection in a fault (output overload) condition,
the unit is equipped with internal current-limiting circuitry
and can endure current limiting continuously. At the point of
current-limit inception, the unit enters hiccup mode. The unit
operates normally once the output current is brought back
into its specified range.
Overtemperature Protection
To provide protection in a fault condition, the unit is
equipped with a thermal shutdown circuit. The unit will shut
100 pF
DLynx Module
R1=Rtrim
20K
SIG_GND
SEQ
SEQ
V
Vo
MODULE
SIG_GND
Trim
Q1
Rtrim
Rmargin-up
Q2
Rmargin-down
GE
Data Sheet
40A Analog MegaDLynxTM: Non-Isolated DC-DC Power Modules
4.5Vdc –14.4Vdc input; 0.6Vdc to 2.0Vdc output; 40A Output Current
July 22, 2019
©2012 General Electric Company. All rights reserved.
Page 12
down if the overtemperature threshold of 145°C (typ) is
exceeded at the thermal reference point Tref .Once the unit
goes into thermal shutdown it will then wait to cool before
attempting to restart.
Input Undervoltage Lockout
At input voltages below the input undervoltage lockout limit,
the module operation is disabled. The module will begin to
operate at an input voltage above the undervoltage lockout
turn-on threshold.
Synchronization
The module switching frequency can be synchronized to a
signal with an external frequency within a specified range.
Synchronization can be done by using the external signal
applied to the SYNC pin of the module as shown in Fig. 27,
with the converter being synchronized by the rising edge of
the external signal. The Electrical Specifications table
specifies the requirements of the external SYNC signal. If the
SYNC pin is not used, the module should free run at the
default switching frequency. If synchronization is not being
used, connect the SYNC pin to GND.
MODULE
SYNC
GND
+
─
Figure 27. External source connections to synchronize
switching frequency of the module.
Active Load Sharing (-P Option)
For additional power requirements, the Mega DLynxTM
power module is also equipped with paralleling capability.
Up to five modules can be configured in parallel, with active
load sharing.
To implement paralleling, the following conditions must be
satisfied.
• All modules connected in parallel must be frequency
synchronized where they are switching at the same
frequency. This is done by using the SYNC function of
the module and connecting to an external frequency
source. Modules can be interleaved to reduce input
ripple/filtering requirements.
• The share pins of all units in parallel must be connected
together. The path of these connections should be as
direct as possible.
• The remote sense connections to all modules should be
made that to the same points for the output, i.e. all VS+
and VS- terminals for all modules are connected to the
power bus at the same points.
• For converters operating in parallel, tunable loop
components “RTUNE” and “CTUNE” must be selected to
meet the required transient specification. For providing
better noise immunity, we recommend that RTUNE value
to be greater than 300Ω.
Some special considerations apply for design of converters
in parallel operation:
• When sizing the number of modules required for
parallel operation, take note of the fact that current
sharing has some tolerance. In addition, under
transient conditions such as a dynamic load change
and during startup, all converter output currents will
not be equal. To allow for such variation and avoid the
likelihood of a converter shutting off due to a current
overload, the total capacity of the paralleled system
should be no more than 90% of the sum of the
individual converters. As an example, for a system of
four MegaDLynxTM converters in parallel, the total
current drawn should be less that 90% of (3 x 40A), i.e.
less than 108 A.
• All modules should be turned ON and OFF together. This
is so that all modules come up at the same time
avoiding the problem of one converter sourcing current
into the other leading to an overcurrent trip condition.
To ensure that all modules come up simultaneously, the
on/off pins of all paralleled converters should be tied
together and the converters enabled and disabled
using the on/off pin. Note that this means that
converters in parallel cannot be digitally turned ON as
that does not ensure that all modules being paralleled
turn on at the same time.
• If digital trimming is used to adjust the overall output
voltage, the adjustments need to be made in a series of
small steps to avoid shutting down the output. Each
step should be no more than 20mV for each module.
For example, to adjust the overall output voltage in a
setup with two modules (A and B) in parallel from 1V to
1.1V, module A would be adjusted from 1.0 to 1.02V
followed by module B from 1.0 to 1.02V, then each
module in sequence from 1.02 to 1.04V and so on until
the final output voltage of 1.1V is reached.
• If the Sequencing function is being used to start-up and
shut down modules and the module is being held to 0V
by the tracking signal then there may be small
deviations on the module output. This is due to
controller duty cycle limitations encountered in trying
to hold the voltage down near 0V.
• The share bus is not designed for redundant operation
and the system will be non-functional upon failure of
one of the units when multiple units are in parallel. In
particular, if one of the converters shuts down during
operation, the other converters may also shut down
due to their outputs hitting current limit. In such a
situation, unless a coordinated restart is ensured, the
system may never properly restart since different
converters will try to restart at different times causing
an overload condition and subsequent shutdown. This
situation can be avoided by having an external output
voltage monitor circuit that detects a shutdown
condition and forces all converters to shut down and
restart together.
GE
Data Sheet
40A Analog MegaDLynxTM: Non-Isolated DC-DC Power Modules
4.5Vdc –14.4Vdc input; 0.6Vdc to 2.0Vdc output; 40A Output Current
July 22, 2019
©2012 General Electric Company. All rights reserved.
Page 13
When not using the active load share feature, share pins
should be left unconnected.
GE
Data Sheet
40A Analog MegaDLynxTM: Non-Isolated DC-DC Power Modules
4.5Vdc –14.4Vdc input; 0.6Vdc to 2.0Vdc output; 40A Output Current
July 22, 2019
©2012 General Electric Company. All rights reserved.
Page 14
Power Good
The module provides a Power Good (PGOOD) signal that is
implemented with an open-drain output to indicate that the
output voltage is within the regulation limits of the power
module. The PGOOD signal will be de-asserted to a low state
if any condition such as over-temperature, overcurrent or
loss of regulation occurs that would result in the output
voltage going outside the specified thresholds.
The default value of PGOOD ON thresholds are set at ±8% of
the nominal Vset value, and PGOOD OFF thresholds are set
at ±10% of the nominal Vset. For example, if the nominal
voltage (Vset) is set at 1.0V, then the PGOOD ON thresholds
will be active anytime the output voltage is between 0.92V
and 1.08V, and PGOOD OFF thresholds are active at 0.90V
and 1.10V respectively.
The PGOOD terminal can be connected through a pull-up
resistor (suggested value 100K) to a source of 5VDC or
lower.
Dual Layout
Identical dimensions and pin layout of Analog and Digital
MegaDLynx modules permit migration from one to the other
without needing to change the layout. In both cases the trim
resistor is connected between trim and signal ground.
Tunable LoopTM
The module has a feature that optimizes transient response
of the module called Tunable LoopTM.
External capacitors are usually added to the output of the
module for two reasons: to reduce output ripple and noise
and to reduce output voltage deviations from the steady-
state value in the presence of dynamic load current
changes. Adding external capacitance however affects the
voltage control loop of the module, typically causing the
loop to slow down with sluggish response. Larger values of
external capacitance could also cause the module to
become unstable.
The Tunable LoopTM allows the user to externally adjust the
voltage control loop to match the filter network connected
to the output of the module. The Tunable LoopTM is
implemented by connecting a series R-C between the VS+
and TRIM pins of the module, as shown in Fig. 28. This R-C
allows the user to externally adjust the voltage loop
feedback compensation of the module.
Figure. 28. Circuit diagram showing connection of RTUME
and CTUNE to tune the control loop of the module.
Recommended values of RTUNE and CTUNE for different output
capacitor combinations are given in Table 2. Table 2 shows
the recommended values of RTUNE and CTUNE for different
values of ceramic output capacitors up to 1000uF that
might be needed for an application to meet output ripple
and noise requirements. Selecting RTUNE and CTUNE according
to Table 2 will ensure stable operation of the module.
In applications with tight output voltage limits in the
presence of dynamic current loading, additional output
capacitance will be required. Table 3 lists recommended
values of RTUNE and CTUNE in order to meet 2% output
voltage deviation limits for some common output voltages
in the presence of a 20A to 40A step change (50% of full
load), with an input voltage of 12V.
Please contact your GE technical representative to obtain
more details of this feature as well as for guidelines on how
to select the right value of external R-C to tune the module
for best transient performance and stable operation for
other output capacitance values.
Table 2. General recommended values of of RTUNE and
CTUNE for Vin=12V and various external ceramic capacitor
combination
CO
6x
47µF
8x
47µF
10x
47µF
12x
47µF
20x
47µF
RTUNE
330Ω
330Ω
330Ω
330Ω
200Ω
CTUNE
330pF
820pF
1200pF
1500pF
3300pF
Table 3. Recommended values of RTUNE and CTUNE to obtain
transient deviation of 2% of Vout for a 20A step load with
Vin=12V.
VO
1.8V
1.2V
0.6V
CO
4x47uF +
6x330µF
polymer
4x47uF +
11x330µF
polymer
4x47uF +
12x680µF
polymer
RTUNE
220 Ω
200 Ω
180 Ω
CTUNE
5600pF
12nF
47nF
∆V
34mV
22mV
12mV
Note: The capacitors used in the Tunable Loop tables are
47 μF/3 mΩ ESR ceramic, 330 μF/12 mΩ ESR polymer
capacitor and 680μF/12 mΩ polymer capacitor.
Thermal Considerations
Power modules operate in a variety of thermal
environments; however, sufficient cooling should always be
provided to help ensure reliable operation.
Considerations include ambient temperature, airflow,
module power dissipation, and the need for increased
reliability. A reduction in the operating temperature of the
module will result in an increase in reliability. The thermal
data presented here is based on physical measurements
taken in a wind tunnel. The test set-up is shown in Figure
29. The preferred airflow direction for the module is in
Figure 30.
VS+
MODULE
SIG_GND
TRIM
VOUT
RTune
CTune
RTrim
CO
GND
GE
Data Sheet
40A Analog MegaDLynxTM: Non-Isolated DC-DC Power Modules
4.5Vdc –14.4Vdc input; 0.6Vdc to 2.0Vdc output; 40A Output Current
July 22, 2019
©2012 General Electric Company. All rights reserved.
Page 15
Air
flow
x
Power Module
Wind Tunnel
PWBs
12.7_
(0.50)
76.2_
(3.0)
Probe Location
for measuring
airflow and
ambient
temperature
25.4_
(1.0)
Figure 29. Thermal Test Setup.
The thermal reference points, Tref used in the specifications
are also shown in Figure 30. For reliable operation the
temperatures at these points should not exceed 130°C. The
output power of the module should not exceed the rated
power of the module (Vo,set x Io,max).
Please refer to the Application Note “Thermal
Characterization Process For Open-Frame Board-Mounted
Power Modules” for a detailed discussion of thermal
aspects including maximum device temperatures.
Figure 30. Preferred airflow direction and location of hot-
spot of the module (Tref).
GE
Data Sheet
40A Analog MegaDLynxTM: Non-Isolated DC-DC Power Modules
4.5Vdc –14.4Vdc input; 0.6Vdc to 2.0Vdc output; 40A Output Current
July 22, 2019
©2012 General Electric Company. All rights reserved.
Page 16
Shock and Vibration
The ruggedized (-D version) of the modules are designed to withstand elevated levels of shock and vibration to be able to operate
in harsh environments. The ruggedized modules have been successfully tested to the following conditions:
Non operating random vibration:
Random vibration tests conducted at 25C, 10 to 2000Hz, for 30 minutes each level, starting from 30Grms (Z axis) and up to 50Grms
(Z axis). The units were then subjected to two more tests of 50Grms at 30 minutes each for a total of 90 minutes.
Operating shock to 40G per Mil Std. 810G, Method 516.4 Procedure I:
The modules were tested in opposing directions along each of three orthogonal axes, with waveform and amplitude of the shock
impulse characteristics as follows:
All shocks were half sine pulses, 11 milliseconds (ms) in duration in all 3 axes.
Units were tested to the Functional Shock Test of MIL-STD-810, Method 516.4, Procedure I - Figure 516.4-4. A shock magnitude of
40G was utilized. The operational units were subjected to three shocks in each direction along three axes for a total of eighteen
shocks.
Operating vibration per Mil Std 810G, Method 514.5 Procedure I:
The ruggedized (-D version) modules are designed and tested to vibration levels as outlined in MIL-STD-810G, Method 514.5, and
Procedure 1, using the Power Spectral Density (PSD) profiles as shown in Table 1 and Table 2 for all axes. Full compliance with
performance specifications was required during the performance test. No damage was allowed to the module and full compliance
to performance specifications was required when the endurance environment was removed. The module was tested per MIL-STD-
810, Method 514.5, Procedure I, for functional (performance) and endurance random vibration using the performance and
endurance levels shown in Table 4 and Table 5 for all axes. The performance test has been split, with one half accomplished before
the endurance test and one half after the endurance test (in each axis). The duration of the performance test was at least 16
minutes total per axis and at least 120 minutes total per axis for the endurance test. The endurance test period was 2 hours
minimum per axis.
Table 4: Performance Vibration Qualification - All Axes
Frequency (Hz)
PSD Level
(G2/Hz)
Frequency (Hz)
PSD Level
(G2/Hz)
Frequency (Hz)
PSD Level
(G2/Hz)
10
1.14E-03
170
2.54E-03
690
1.03E-03
30
5.96E-03
230
3.70E-03
800
7.29E-03
40
9.53E-04
290
7.99E-04
890
1.00E-03
50
2.08E-03
340
1.12E-02
1070
2.67E-03
90
2.08E-03
370
1.12E-02
1240
1.08E-03
110
7.05E-04
430
8.84E-04
1550
2.54E-03
130
5.00E-03
490
1.54E-03
1780
2.88E-03
140
8.20E-04
560
5.62E-04
2000
5.62E-04
Table 5: Endurance Vibration Qualification - All Axes
Frequency (Hz)
PSD Level
(G2/Hz)
Frequency (Hz)
PSD Level
(G2/Hz)
Frequency (Hz)
PSD Level
(G2/Hz)
10
0.00803
170
0.01795
690
0.00727
30
0.04216
230
0.02616
800
0.05155
40
0.00674
290
0.00565
890
0.00709
50
0.01468
340
0.07901
1070
0.01887
90
0.01468
370
0.07901
1240
0.00764
110
0.00498
430
0.00625
1550
0.01795
130
0.03536
490
0.01086
1780
0.02035
140
0.0058
560
0.00398
2000
0.00398
GE
Data Sheet
40A Analog MegaDLynxTM: Non-Isolated DC-DC Power Modules
4.5Vdc –14.4Vdc input; 0.6Vdc to 2.0Vdc output; 40A Output Current
July 22, 2019
©2012 General Electric Company. All rights reserved.
Page 17
Example Application Circuit
Requirements:
Vin: 12V
Vout: 1.8V
Iout: 30A max., worst case load transient is from 20A to 30A
Vout: 1.5% of Vout (27mV) for worst case load transient
Vin, ripple 1.5% of Vin (180mV, p-p)
CI1 Decoupling cap - 1x0.01F/16V ceramic capacitor (e.g. Murata LLL185R71E103MA01)
CI2 3x22F/16V ceramic capacitor (e.g. Murata GRM32ER61C226KE20)
CI3 470F/16V bulk electrolytic
CO1 Decoupling cap - 1x0.01F/16V ceramic capacitor (e.g. Murata LLL185R71E103MA01)
CO2 4 x 47µF/6.3V ceramic capacitor (e.g. Murata GRM31CR60J476ME19)
CO3 6 X330µF/6.3V Polymer (e.g. Sanyo Poscap)
CTune 5600pF ceramic capacitor (can be 1206, 0805 or 0603 size)
RTune 220 ohms SMT resistor (can be 1206, 0805 or 0603 size)
RTrim 10k SMT resistor (can be 1206, 0805 or 0603 size, recommended tolerance of 0.1%)
VS-
GND
Vin+
CI3
CO3
VOUT
VS+
GND
TRIM
CTUNE
RTUNE
RTrim
VIN
CO1
CI1
Vout+
ON/OFF
SEQ
MODULE
PGOOD
SIG_GND
SYNC
CI2
CO2
SHARE
GE
Data Sheet
40A Analog MegaDLynxTM: Non-Isolated DC-DC Power Modules
4.5Vdc –14.4Vdc input; 0.6Vdc to 2.0Vdc output; 40A Output Current
July 22, 2019
©2012 General Electric Company. All rights reserved.
Page 18
Mechanical Outline
Dimensions are in millimeters and (inches).
Tolerances: x.x mm 0.5 mm (x.xx in. 0.02 in.) [unless otherwise indicated]
x.xx mm 0.25 mm (x.xxx in 0.010 in.)
FUNCTION
PIN
FUNCTION
1
ON/OFF
11
SIG_GND
2
VIN
12
VS-
3
SEQ
13
NC
4
GND
14
NC
5
VOUT
15
SYNC
6
TRIM
16
PG
7
VS+
17
NC
8
GND
18
NC
9
SHARE
19
NC
10
GND
SIDE VIEW
BOTTOM VIEW
19
18
17
16
2
8
15
3
4
5
6
7
9
12
13
14
10
11
1
GE
Data Sheet
40A Analog MegaDLynxTM: Non-Isolated DC-DC Power Modules
4.5Vdc –14.4Vdc input; 0.6Vdc to 2.0Vdc output; 40A Output Current
July 22, 2019
©2012 General Electric Company. All rights reserved.
Page 19
Recommended Pad Layout
Dimensions are in millimeters and (inches).
Tolerances: x.x mm 0.5 mm (x.xx in. 0.02 in.) [unless otherwise indicated]
x.xx mm 0.25 mm (x.xxx in 0.010 in.)
PIN
FUNCTION
PIN
FUNCTION
1
ON/OFF
11
SIG_GND
2
VIN
12
VS-
3
SEQ
13
NC
4
GND
14
NC
5
VOUT
15
SYNC
6
TRIM
16
PG
7
VS+
17
NC
8
GND
18
NC
9
SHARE
19
NC
10
GND
NC
NC
NC
NC
NC
GE
Data Sheet
40A Analog MegaDLynxTM: Non-Isolated DC-DC Power Modules
4.5Vdc –14.4Vdc input; 0.6Vdc to 2.0Vdc output; 40A Output Current
July 22, 2019
©2012 General Electric Company. All rights reserved.
Page 20
Packaging Details
The 12V Analog MegaDLynxTM 40A modules are supplied in tape & reel as standard. Modules are shipped in quantities of 140
modules per reel.
All Dimensions are in millimeters and (in inches).
Reel Dimensions:
Outside Dimensions: 330.2 mm (13.00)
Inside Dimensions: 177.8 mm (7.00”)
Tape Width: 56.00 mm (2.205”)
GE
Data Sheet
40A Analog MegaDLynxTM: Non-Isolated DC-DC Power Modules
4.5Vdc –14.4Vdc input; 0.6Vdc to 2.0Vdc output; 40A Output Current
July 22, 2019
©2012 General Electric Company. All rights reserved.
Page 21
Surface Mount Information
Pick and Place
The 40A Analog MegaDLynxTM modules use an open frame
construction and are designed for a fully automated
assembly process. The modules are fitted with a label
designed to provide a large surface area for pick and place
operations. The label meets all the requirements for surface
mount processing, as well as safety standards, and is able to
withstand reflow temperatures of up to 300oC. The label also
carries product information such as product code, serial
number and the location of manufacture.
Nozzle Recommendations
The module weight has been kept to a minimum by using
open frame construction. Variables such as nozzle size, tip
style, vacuum pressure and placement speed should be
considered to optimize this process. The minimum
recommended inside nozzle diameter for reliable operation is
3mm. The maximum nozzle outer diameter, which will safely
fit within the allowable component spacing, is 7 mm.
Bottom Side / First Side Assembly
This module is not recommended for assembly on the bottom
side of a customer board. If such an assembly is attempted,
components may fall off the module during the second reflow
process.
Lead Free Soldering
The modules are lead-free (Pb-free) and RoHS compliant and
fully compatible in a Pb-free soldering process. Failure to
observe the instructions below may result in the failure of or
cause damage to the modules and can adversely affect long-
term reliability.
Pb-free Reflow Profile
Power Systems will comply with J-STD-020 Rev. C
(Moisture/Reflow Sensitivity Classification for Nonhermetic
Solid State Surface Mount Devices) for both Pb-free solder
profiles and MSL classification procedures. This standard
provides a recommended forced-air-convection reflow profile
based on the volume and thickness of the package (table 4-
2). The suggested Pb-free solder paste is Sn/Ag/Cu (SAC). The
recommended linear reflow profile using Sn/Ag/Cu solder is
shown in Fig. 31. Soldering outside of the recommended
profile requires testing to verify results and performance.
MSL Rating
The 40A Analog MegaDLynxTM modules have a MSL rating of
2a.
Storage and Handling
The recommended storage environment and handling
procedures for moisture-sensitive surface mount packages is
detailed in J-STD-033 Rev. A (Handling, Packing, Shipping and
Use of Moisture/Reflow Sensitive Surface Mount Devices).
Moisture barrier bags (MBB) with desiccant are required for
MSL ratings of 2 or greater. These sealed packages should
not be broken until time of use. Once the original package is
broken, the floor life of the product at conditions of 30°C
and 60% relative humidity varies according to the MSL rating
(see J-STD-033A). The shelf life for dry packed SMT packages
will be a minimum of 12 months from the bag seal date,
when stored at the following conditions: < 40° C, < 90%
relative humidity.
Figure 31. Recommended linear reflow profile using
Sn/Ag/Cu solder.
Post Solder Cleaning and Drying Considerations
Post solder cleaning is usually the final circuit-board
assembly process prior to electrical board testing. The result
of inadequate cleaning and drying can affect both the
reliability of a power module and the testability of the
finished circuit-board assembly. For guidance on
appropriate soldering, cleaning and drying procedures, refer
to Board Mounted Power Modules: Soldering and Cleaning
Application Note (AN04-001).
Per J-STD-020 Rev. C
0
50
100
150
200
250
300
Reflow Time (Seconds)
Reflow Temp (°C)
Heating Zone
1°C/Second
Peak Temp 260°C
* Min. Time Above 235°C
15 Seconds
*Time Above 217°C
60 Seconds
Cooling
Zone
GE
Data Sheet
40A Analog MegaDLynxTM: Non-Isolated DC-DC Power Modules
4.5Vdc –14.4Vdc input; 0.6Vdc to 2.0Vdc output; 40A Output Current
Contact Us
For more information, call us at
USA/Canada:
+1 888 546 3243, or +1 972 244 9288
Asia-Pacific:
+86.021.54279977*808
Europe, Middle-East and Africa:
+49.89.878067-280
www.gecriticalpower.com
GE Critical Power reserves the right to make changes to the product(s) or information contained herein without notice, and no
liability is assumed as a result of their use or application. No rights under any patent accompany the sale of any such product(s)
or information.
July 22, 2019
©2016 General Electric Company. All International rights reserved.
Version 1.4
Ordering Information
Please contact your GE Sales Representative for pricing, availability and optional features.
Table 4. Device Codes
Device Code
Input
Voltage Range
Output
Voltage
Output
Current
On/Off
Logic
Sequencing
Comcodes
MVT040A0X3-SRPHZ
4.5 – 14.4Vdc
0.6 – 2.0Vdc
40A
Negative
Yes
CC109159785
MVT040A0X43-SRPHZ
4.5 – 14.4Vdc
0.6 – 2.0Vdc
40A
Positive
Yes
CC109159793
MVT040A0X3-SRPHDZ
4.5 – 14.4Vdc
0.6 – 2.0Vdc
40A
Negative
Yes
CC150022588
-Z refers to RoHS compliant parts
Table 5. Coding Scheme
Package
Identifier
Family
Input voltage
range
Output
current
Output
voltage
On/Off
logic
Remote
Sense
Options
ROHS
Compli
ance
M
V
T
040A0
X
4
3
-SR
-P
-H
-D
Z
P=Pico
U=Micro
M=Mega
G=Giga
D=Dlynx
Digital
V=DLynx
Analog.
T=with
EZ_Sequence
X=without
sequencing
40A
X =
progra
m-able
output
4 =
positive
No entry
=
negative
3 =
Remote
Sense
S =
Surface
Mount
R =
Tape &
Reel
Paralleling
2 Extra
Ground
Pins
D =
105°C
operating
ambient,
40G
operating
shock as
per MIL
Std 810G
Z =
ROHS6
GE Energy Digital Non-Isolated DC-DC products use technology licensed from Power-One, protected by US patents: US20040246754, US2004090219A1, US2004093533A1, US2004123164A1,
US2004123167A1, US2004178780A1, US2004179382A1, US20050200344, US20050223252, US2005289373A1, US20060061214, US2006015616A1, US20060174145, US20070226526,
US20070234095, US20070240000, US20080052551, US20080072080, US20080186006, US6741099, US6788036, US6936999, US6949916, US7000125, US7049798, US7068021, US7080265,
US7249267, US7266709, US7315156, US7372682, US7373527, US7394445, US7456617, US7459892, US7493504, US7526660.
Outside the US the Power-One licensed technology is protected by patents: AU3287379AA, AU3287437AA, AU3290643AA, AU3291357AA, CN10371856C, CN1045261OC, CN10458656C,
CN10459360C, CN10465848C, CN11069332A, CN11124619A, CN11346682A, CN1685299A, CN1685459A, CN1685582A, CN1685583A, CN1698023A, CN1802619A, EP1561156A1, EP1561268A2,
EP1576710A1, EP1576711A1, EP1604254A4, EP1604264A4, EP1714369A2, EP1745536A4, EP1769382A4, EP1899789A2, EP1984801A2, W004044718A1, W004045042A3, W004045042C1,
W004062061 A1, W004062062A1, W004070780A3, W004084390A3, W004084391A3, W005079227A3, W005081771A3, W006019569A3, W02007001584A3, W02007094935A3