SMT15E SERIES
3.0 Vin to 5.5 Vin Single output
SMT15E Series | 15 A DC-DC
EClass Non-Isolated DC-DC Converters
1
[2YEAR WARRANTY ]
15 A current rating
Input voltage range: 3.0 Vdc to 5.5 Vdc
Output voltage range: 0.8 Vdc to 3.63 Vdc
Ultra high efficiency: 96% @ 5 Vin and 3.3 Vout
Extremely low internal power dissipation
Minimal thermal design concerns
Designed in reliability: MTBF of >7 million hours per Telcordia SR-332
Ideal solution where board space is at a premium or tighter card pitch is required
Industry standard surface-mount footprint
Available RoHS compliant
THE SMT15E series are non-isolated dc-
dc converters packaged in a surface
mount footprint giving designers a cost
effective solution for conversion from
either a 5 Vdc or 3.3 Vdc input to output
voltages of 0.8 Vdc to 3.63 Vdc. Local
voltage conversion by the SMT15E series
from existing 5 Vdc or 3.3 Vdc system
voltages eliminates the need for redesign
of existing power architectures when
voltage requirements change. The
SMT15E is designed for applications that
include distributed power, workstations,
optical network and wireless applications.
Implemented using state of the art surface
mount technology and automated
manufacturing techniques, the SMT15E
offers compact size and efficiencies of up
to 96%.
File Name: lf_smt15e_05.pdf Rev (02): 04 Jan 2006
SXA10 Series | 15W
DC/DC
SMT15E Series | 15 A DC-DC
EClass Non-Isolated DC-DC Converters
2
Characteristic Symbol Min Typ Max Units Notes and Conditions
Input voltage - turn on Vin (on) 2.25 2.70 3 V DC Will regulate @ Vin >3V if Vout
2V5
Turn on delay - enabled, Tdelay 20 msec With the enable signal asserted,
then power applied (power) this is the time from when the
input voltage reaches the
minimum specified operating
voltage until the output voltage
is within the total regulation
band
Turn on delay - power Tdelay 20 msec Vin = Vin (nom), then enabled.
applied, then enabled (enable) This is the time taken until the
output voltage is within the total
error band
Rise time Trise 15 msec From 10% to 90%; full resistive
load, no external capacitance
Stresses in excess of the maximum ratings can cause permanent damage to the device. Operation of the device is not implied at these or any
other conditions in excess of those given in the specification. Exposure to absolute maximum ratings can adversely affect device reliability.
All specifications are typical at nominal input Vin = 5V, full load under any resistive load combination at 25˚Cunless otherwise stated.
Characteristic Symbol Min Typ Max Units Notes and Conditions
Input voltage - continuous Vin (cont) -0.3 5.5 V DC Vin(+) - Vin(-)
Input voltage - peak/surge Vsurge -0.3 6 V DC 2s max, non-repetitive
Operating temperature Top -40 100 ºC Measured at thermal reference
points, see Note 1 for thermal
Derating
Storage temperature Tstorage -40 125 ºC
Output power (S2V5) Pout (max) 0 41.25 W
Output power (S3V3) Pout (max) 0 54.45 W
Output power (W3V3) Pout (max) 0 54.45 W
Characteristic Symbol Min Typ Max Units Notes and Conditions
Input voltage - operating Vin (oper) 3 5 5.5 V DC See Note 2
Input current - no load lin 70 150 mA DC Vin (min) - Vin (max), enabled
Input current - quiescent lin (off) 2 mA DC Converter disabled
Inrush current (i2t) linrush 12 A2µs
Complies with ETS300 132 Part 4.7,
with recommended LISN
Input ripple current 110 mA rms
Input fuse* 16 A Slowblow/antisurge HRC
recommended
Absolute Maximum Ratings
Input Characteristics
Turn On/Off
*Fuse A - S(T) 1.25 x 0.25 inches
SIBA P/N 70-065-65/16ARS
File Name: lf_smt15e_05.pdf Rev (02): 04 Jan 2006
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EClass Non-Isolated DC-DC Converters
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Characteristic - Signal Name Symbol Min Typ Max Units Notes and Conditions
At remote/control ON/OFF pin See Notes 2 and 3
Open collector or equivalent See Application Note 136 for
compatible Remote ON/OFF details
Control pin open circuit voltage Vih 0VI
ih = 0 µA; open circuit voltage
High level input current Iih 300 µA Current flowing into control pin
when pin is pulled high
High level input voltage Vih 1.2 Vin Converter guaranteed OFF when
control pin is greater than Vih
(min)
Acceptable high level Iih (leakage) -10 µA Acceptable leakage current from
leakage current signal pin into the open collector
driver (neg = from converter)
Low level input voltage ViI 0 0.5 V Converter guaranteed ON
when control pin is
less than Vil (max)
Low level input current IiI 20 µA Vil =<0.4 V
Characteristic Symbol Min Typ Max Units Notes and Conditions
Mean time between failure MTBF 680,000 Hours MIL-HDBK-217F,
Vin = Vin (nom); Iout = Iout
(max);ambient 25ºC;
ground benign environment
Mean time between failure MTBF 7,042,000 Hours Telcordia SR-332
Mean time between failure MTBF TBA Hours Demonstrated. This entry will be
periodically updated as the
number of test hours increase
Signal Electrical Interface
Reliability and Service Life
File Name: lf_smt15e_05.pdf Rev (02): 04 Jan 2006
SXA10 Series | 15W
DC/DC
SMT15E Series | 15 A DC-DC
EClass Non-Isolated DC-DC Converters
4
Other Specifications
Characteristic Symbol Min Typ Max Units Notes and Conditions
Switching frequency Fsw 300 kHz Fixed frequency
Weight 6.3 g
Coplanarity 100 µm Measured from seating plane
EMC
Electromagnetic Compatibility
Phenomenon Port Standard Test level Criteria Notes and conditions
Immunity:
Conducted immunity EN61000-4-6
Radiated immunity EN61000-4-3
ESD Enclosure EN61000-4-2 6kV contact NP As per ETS 300 386-1 table 5
8kV air
File Name: lf_smt15e_05.pdf Rev (02): 04 Jan 2006
Performance criteria:
NP: Normal Performance: EUT shall withstand applied test and operate within relevant limits as specified without damage.
RP: Reduced Performance: EUT shall withstand applied test. Reduced performance is permitted within specified limits, resumption to
normal performance shall occur at the cessation of the test.
LFS: Loss of Function (self recovery): EUT shall withstand applied test without damage, temporary loss of function permitted during test.
Unit will self recover to normal performance after test.
Referenced ETSI standards:
ETS 300 386-1 table 5 (1997): Public telecommunication network equipment, EMC requirements
ETS 300 132-2 (1996): Power supply interface at the input to telecommunication equipment: Part 2 operated by direct current (DC)
ETR 283 (1997): Transient voltages at interface A on telecommunication direct current (DC) power distributions
SMT15E Series | 15 A DC-DC
EClass Non-Isolated DC-DC Converters
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Material Ratings
Characteristic - Signal Name Notes and Conditions
Flammability rating UL94V-0
Model Input Output Output Current Typical Max. Load
Number Voltage Voltage (Max.) Efficiency Regulation
SMT15E-05S2V5J 3.0 - 5.5VDC 2.5V 15A 93.5% ±1.0%
SMT15E-05S3V3J 4.5 - 5.5VDC 3.3V 15A 95% ±1.0%
SMT15E-05W3V3J 3.0 - 5.5VDC 0.8V - 3.63V 15A 95% ±1.0%
Model Numbers
File Name: lf_smt15e_05.pdf Rev (02): 04 Jan 2006
RoHS Compliance Ordering Information
The ‘J’ at the end of the part number
indicates that the partis Pb-free
(RoHS 6/6 compliant). TSE RoHS 5/6
(non Pb-free) compliant versions may
be available on special request, please
contact your local sales representative
for details.
Safety Agency Approvals
Characteristic Notes and Conditions
UL/cUL60950 File No. E174104
TÜV Product Services EN60950 B03 10 38572 037
CBcertficate and report to
IEC60950 DE3-51686M1
SXA10 Series | 15W
DC/DC
SMT15E Series | 15 A DC-DC
EClass Non-Isolated DC-DC Converters
6
Input Characteristics
S2V5 Model
Electrical Characteristics - O/P
S2V5 Model
Characteristic Symbol Min Typ Max Units Notes and Conditions
Nominal set-point voltage Vo(nom) 2.43 2.5 2.57 V DC Vin = Vin (nom); Iout = Iout (nom)
Total regulation band Vo2.38 2.612 V DC For all line, static load and
temperatureuntil end of life
Line regulation 0.2 0.5 % Iout = Iout (nom);
Vin (min) to Vin (max)
Load regulation 1.0 % Vin = Vin (nom);
Iout (min) to Iout (max)
Output current continuous Iout 0 15 ADC
Output current - short circuit Isc 10 20 Arms Continuous, unit auto recovers
from short, Vo<100mV
Output voltage - noise Vp-p 60 mV pk-pk Measurement bandwidth:
Vrms 25 mV rms 20MHz. See Application Note
136 for measurement set-up
details
Characteristic Symbol Min Typ Max Units Notes and Conditions
Input current - operating Iin 8 9 A DC Vin = Vin (nom); Iout = Iout
(max.); Vo= Vo(nom)
Reflected ripple current Iin (ripple) 110 mA rms Iout = Iout (max.), measured
370 mA pk-pk without external filter
Input capacitance - Cinput 18.8 µF Internal to converter
internal filter
Input capacitance - Cbypass 100 µF Recommended customer
external bypass added capacitance
File Name: lf_smt15e_05.pdf Rev (02): 04 Jan 2006
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EClass Non-Isolated DC-DC Converters
S2V5 Model
Electrical Characteristics - O/P
S2V5 Model
Efficiency
S2V5 Model
Characteristic Symbol Min Typ Max Units Notes and Conditions
Efficiency η92.5 93.5 % Iout =100% Iout (max),
Vin = Vin (nom)
Efficiency η94 95 % Iout =50% Iout (max),
Vin = Vin (nom)
Characteristic Symbol Min Typ Max Units Notes and Conditions
Load transient response - Vdynamic 50 mV Peak deviation for 50% to 75%
peak deviation step load, di/dt = 100 mA/µsec.
Measurement taken with no
external capacitors
Load transient response - Trecovery 50 µsec Settling time to within 1% of
recovery output set point voltage for 50%
to 75% step load. Measurement
taken with no external
capacitors
External load capacitance Cext 0 10,000 µF
Protection and Control Features
Characteristic Symbol Min Typ Max Units Notes and Conditions
Allowable output voltage* 10 % Trim up (% of Vonom).
10 % Trim down (% of Vonom)
See Application Note 136 for
details of trim equations and
trim curves
Remote sense voltage 10 % If Trim up is invoked de-rate
power accordingly (remote
sense + trim ≤ 10%)
*Vin (min) =3.3V at max. trim-up
File Name: lf_smt15e_05.pdf Rev (02): 04 Jan 2006
SXA10 Series | 15W
DC/DC
SMT15E Series | 15 A DC-DC
EClass Non-Isolated DC-DC Converters
8
Input Characteristics
S3V3 Model
Electrical Characteristics - O/P
S3V3 Model
Characteristic Symbol Min Typ Max Units Notes and Conditions
Nominal set-point voltage Vo(nom.) 3.21 3.3 3.39 VDC Vin = Vin (nom); Iout = Iout (nom)
Total regulation band Vo3.15 3.45 VDC For all line, static load and
temperature until end of life
Line regulation 0.2 0.5 %I
out = Iout (nom);
Vin (min) to Vin (max)
Load regulation 1 % Vin = Vin (nom);
Iout (min) to Iout (max)
Output current continuous Iout 0 15 ADC
Output current - short circuit Isc 10 20 A rms Continuous, unit auto recovers
from short, Vo<100mV
Output voltage - noise Vp-p 60 mV pk-pk Measurement bandwidth 20MHz
Vrms 25 mV rms See Application Note 136 for
set-up details
Characteristic Symbol Min Typ Max Units Notes and Conditions
Input current - operating Iin 10.4 11.8 ADC Vin = Vin (nom);
Iout = Iout (max.); Vo= Vo(nom)
Reflected ripple current Iin (ripple) 110 mA rms Iout = Iout (max.), measured
370 mA pk-pk without external filter
Input capacitance - Cinput 18.8 µF Internal to converter
internal filter
Input capacitance - Cbypass 100 µF Recommended customer
external bypass added capacitance
File Name: lf_smt15e_05.pdf Rev (02): 04 Jan 2006
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EClass Non-Isolated DC-DC Converters
S3V3 Model
S3V3 Model
Efficiency
S3V3 Model
Characteristic Symbol Min Typ Max Units Notes and Conditions
Efficiency η94 95 % Iout =100% Iout (max),
Vin = Vin (nom)
Efficiency η94 96 % Iout =50% Iout (max),
Vin = Vin (nom)
File Name: lf_smt15e_05.pdf Rev (02): 04 Jan 2006
Electrical Characteristics - O/P
Characteristic Symbol Min Typ Max Units Notes and Conditions
Load transient response - Vdynamic 60 mV Peak deviation for 50% to 75%
peak deviation step load, di/dt = 100 mA/µsec.
Measurement taken with no
external capacitors
Load transient response - Trecovery 50 µsec Settling time to within 1% of
recovery output set point voltage for 50%
to 75% step load. Measurement
taken with no external
capacitors
External load capacitance Cext 0 10,000 µF
Protection and Control Features
Characteristic Symbol Min Typ Max Units Notes and Conditions
Allowable output voltage 10 % Trim up (% of Vonom).
10 % Trim down (% of Vonom)
See Application Note 136 for
details of trim equations and
trim curves
Remote sense voltage 10 % If Trim up is invoked de-rate
power accordingly (remote
sense + trim ≤ 10%)
SXA10 Series | 15W
DC/DC
SMT15E Series | 15 A DC-DC
EClass Non-Isolated DC-DC Converters
10
Input Characteristics
W3V3 Model
Electrical Characteristics - O/P
W3V3 Model
Characteristic Symbol Min Typ Max Units Notes and Conditions
Nominal set-point voltage Vo(nom.) 3.21 3.3 3.39 VDC Vin = Vin (nom); Iout = Iout (nom)
Total regulation band Vo3.15 3.45 VDC For all line, static load and
temperature until end of life
Line regulation 0.2 0.5 %I
out = Iout (nom);
Vin (min) to Vin (max)
Load regulation 1.0 % Vin = Vin (nom);
Iout (min) to Iout (max)
Output current continuous Iout 0 15 ADC
Output current - short circuit Isc 10 20 A rms Continuous, unit auto recovers
from short, Vo<100mV
Output voltage - noise Vp-p 60 mV pk-pk Measurement bandwidth 20MHz
Vrms 25 mV rms See Application Note 136 for
set-up details
Characteristic Symbol Min Typ Max Units Notes and Conditions
Input current - operating Iin 10.4 11.8 ADC Vin = Vin (nom);
Iout = Iout (max.); Vo= Vo(nom)
Reflected ripple current Iin (ripple) 110 mA rms Iout = Iout (max.), measured
370 mA pk-pk without external filter
Input capacitance - Cinput 18.8 µF Internal to converter
internal filter
Input capacitance - Cbypass 100 µF Recommended customer
external bypass added capacitance
File Name: lf_smt15e_05.pdf Rev (02): 04 Jan 2006
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EClass Non-Isolated DC-DC Converters
W3V3 Model
W3V3 Model
Efficiency
W3V3 Model
Characteristic Symbol Min Typ Max Units Notes and Conditions
Efficiency η94 95 % Iout =100% Iout (max),
Vin = Vin (nom)
Efficiency η94 96 % Iout =50% Iout (max),
Vin = Vin (nom)
File Name: lf_smt15e_05.pdf Rev (02): 04 Jan 2006
Electrical Characteristics - O/P
Characteristic Symbol Min Typ Max Units Notes and Conditions
Load transient response - Vdynamic 80 mV Peak deviation for 50% to 75%
peak deviation step load, di/dt = 100 mA/µsec.
Measurement taken with no
external capacitors
Load transient response - Trecovery 50 µsec Settling time to within 1% of
recovery output set point voltage for 50%
to 75% step load. Measurement
taken with no external
capacitors
External load capacitance Cext 0 10,000 µF
Protection and Control Features
Characteristic Symbol Min Typ Max Units Notes and Conditions
Allowable output voltage 10 % Trim up (% of Vonom).
75 % Trim down (% of Vonom)
See Application Note 136 for
details of trim equations and
trim curves
Remote sense voltage 10 % If Trim up is invoked de-rate
power accordingly (remote
sense + trim ≤ 10%)
SXA10 Series | 15W
DC/DC
SMT15E Series | 15 A DC-DC
EClass Non-Isolated DC-DC Converters
12
Figure 1: Derating Curve
with Vin = 5V and No Trim
S2V5 Model
Figure 3: Short Circuit Characteristic
(Channel 1: Is/c)
Figure 4: Typical Transient Response 50% - 75%
Step Load Change (Channel 1: Vo, Channel 4: Io)
Figure 5: Typical Transient Response 75% - 50%
Step Load Change (Channel 1: Vo, Channel 4: Io)
Figure 6: Typical Power-up Characteristic
(Channel 1: Vo, Channel 2: Vin)
70 75 80 85 90 95 100
0
3
6
9
12
15
OUTPUT CURRENT (A)
AMBIENT TEMPERATURE (ºC)
0 m/s (0 LFM)
0.5 m/s (100 LFM)
1 m/s (200 LFM)
1.5 m/s (300 LFM)
Figure 2: Efficiency vs Load
03 6 9 12 15
80
84
88
92
96
EFFICIENCY (%)
OUTPUT CURRENT (A)
Vin = 3V
Vin = 5V
Vin = 5.5V
File Name: lf_smt15e_05.pdf Rev (02): 04 Jan 2006
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EClass Non-Isolated DC-DC Converters
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S2V5 Model
Figure 8: Typical Ripple and Noise*
(Channel 3: Vo)
Figure 7: Control On/Off Characteristic
(Channel 1: Vo, Channel 2: Remote ON/OFF)
*Multiply values by 2, see Application Note 136 for set-up details
File Name: lf_smt15e_05.pdf Rev (02): 04 Jan 2006
SXA10 Series | 15W
DC/DC
SMT15E Series | 15 A DC-DC
EClass Non-Isolated DC-DC Converters
14
Figure 9: Derating Curve
with Vin = 5V and No Trim
Figure 10: Efficiency vs Load
Figure11: Short Circuit Characteristic
(Channel 4: Io)
Figure13: Typical Transient Response 75% - 50%
Step Load Change (Channel 1: Vo, Channel 4: Io)
Figure12: Typical Transient Response 50% - 75%
Step Load Change (Channel 1: Vo, Channel 4: Io)
Figure14: Typical Power-up Characteristic
(Channel 1: Vo, Channel 2: Vin)
S3V3 Model
70 75 80 85 90 95 100
0
3
6
9
12
15
OUTPUT CURRENT (A)
AMBIENT TEMPERATURE (ºC)
0 m/s (0 LFM)
0.5 m/s (100 LFM)
1 m/s (200 LFM)
1.5 m/s (300 LFM)
03 6 9 12 15
81
85
89
93
97
EFFICIENCY (%)
OUTPUT CURRENT (A)
Vin = 4.5V
Vin = 5V
Vin = 5.5V
File Name: lf_smt15e_05.pdf Rev (02): 04 Jan 2006
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EClass Non-Isolated DC-DC Converters
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S3V3 Model
Figure 15: Control On/Off Characteristic
(Channel 1: Vo, Channel 2: Remote ON/OFF)
Figure 16: Typical Ripple and Noise*
(Channel 3: Vo)
*Multiply values by 2, see Application Note 136 for set-up details
File Name: lf_smt15e_05.pdf Rev (02): 04 Jan 2006
SXA10 Series | 15W
DC/DC
SMT15E Series | 15 A DC-DC
EClass Non-Isolated DC-DC Converters
16
Figure 17: Derating Curve
with Vin = 5V and No Trim
Figure 18: Efficiency vs Load
Figure19: Short Circuit Characteristic
(Channel 4: Io)
Figure21: Typical Transient Response 75% - 50%
Step Load Change (Channel 1: Vo, Channel 4: Io)
Figure20: Typical Transient Response 50% - 75%
Step Load Change (Channel 1: Vo, Channel 4: Io)
Figure22: Typical Power-up Characteristic
(Channel 1: Vo, Channel 2: Vin)
W3V3 Model
70 75 80 85 90 95 100
0
3
6
9
12
15
OUTPUT CURRENT (A)
AMBIENT TEMPERATURE (ºC)
0 m/s (0 LFM)
0.5 m/s (100 LFM)
1 m/s (200 LFM)
1.5 m/s (300 LFM)
03691215
81
85
89
93
97
EFFICIENCY (%)
OUTPUT CURRENT (A)
Vin = 4.5V
Vin = 5V
Vin = 5.5V
File Name: lf_smt15e_05.pdf Rev (02): 04 Jan 2006
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EClass Non-Isolated DC-DC Converters
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W3V3 Model
Figure 23: Control On/Off Characteristic
(Channel 1: Vo, Channel 2: Remote ON/OFF)
Figure 24: Typical Ripple and Noise*
(Channel 3: Vo)
*Multiply values by 2, see Application Note 136 for set-up details
File Name: lf_smt15e_05.pdf Rev (02): 04 Jan 2006
SXA10 Series | 15W
DC/DC
SMT15E Series | 15 A DC-DC
EClass Non-Isolated DC-DC Converters
18
All dimensions in inches (mm)
All tolerance ±0.010in (±0.25mm)
unless otherwise stated
SIDE VIEW
0.323 (8.21)
Installed Ht.
0.007 (0.18)
Min Clearance
Max. component
Connector (6PL)
Width :0.112 ±0.003 (2.84 ±0.08)
Length: 0.062 ±0.002 (1.57 ±0.04)
Seating Plane
1.300±0.010 (33.02 ±0.25)
0.039 (1.00)
0.039 (1.00)
0.530 ±0.010
(13.46 ±0.25)
TOP VIEW
BOTTOM VIEW
5432
61
0.430 (10.92)
0.048 (1.22)
0.075 (1.91)
0.405 (10.29)
0.297
(7.54)
0.190
(4.83)
0.190
(4.83)
0.190
(4.83)
0.310
(7.87)
Figure 25: Mechanical Drawing and Pinout Table
Pin Connections
Pin No. Function
1 Remote ON/OFF
2 Remote Sense +
3Trim
4 +Vout
5 Ground
6+Vin
File Name: lf_smt15e_05.pdf Rev (02): 04 Jan 2006
Note 1
Thermal reference is defined as the highest temperature
measured at any one of the specified thermal reference points.
See Figure 26: Thermal reference points.
Note 2
The Remote ON/OFF pin is referenced to ground.
Note 3
The SMT15E features a ‘Negative Logic’ Remote ON/OFF
operation. If not using the Remote ON/OFF pin, leave the pin
open (the converter will be on). The Remote ON/OFF pin is
referenced to ground.
The following conditions apply for the SMT15E:
Configuration Converter Operation
Remote pin open circuit Unit is ON
Remote pin pulled low Unit is ON
Remote pin pulled high [Von/off >1.2V] Unit is OFF
A‘Positive Logic’ Remote ON/OFF version is also possible
with this converter. Please consult the factory for details.
Note 4
Thermal reference set up: Unit mounted on an edge card test
board 203mm x 190mm. Test board mounted vertically. For test
details and recommended set-up see Application Note 136.
CAUTION: Hazardous internal voltages and high temperatures.
Ensure that unit is accessible only to trained personnel. The user
must provide the recommended fusing in order to comply with
safety approvals.
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EClass Non-Isolated DC-DC Converters
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Case Temperature should not exceed 115ºC
Direction of Airflow
Figure 26: Thermal Reference Points
File Name: lf_smt15e_05.pdf Rev (02): 04 Jan 2006
Longform Datasheet Artesyn Technologies® 2006
The information and specifications contained in this datasheet are
believed to be correct at time of publication. However, Artesyn
Technologies accepts no responsibility for consequences arising
from printing errors or inaccuracies. Specifications aresubject to
change without notice. No rights under any patent accompany the
sale of any such product(s) or information contained herein.
SMT15E Series | 15 A DC-DC
EClass Non-Isolated DC-DC Converters
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e-mail: sales.us@artesyn.com
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%+508 628 5600
EUROPEAN LOCATIONS
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IRELAND
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AUSTRIA
%+43 1 80150
FAR EAST LOCATIONS
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HONG KONG
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