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All Specifications Typical At Nominal Line, Full Load and 25˚C Unless Otherwise Noted.
(50.8)
2.00
(57.9)
2.28
(7.62)
0.300
3
BOTTOM VIEW
4
5
6
7
8
2
1
(15.24)
0.600
(47.2)
1.86
(15.24)
0.600
(26.16)
1.03
(36.8)
1.45
0.059 (1.5)
DIA 2PLACES
0.04 (1.02)
DIA 6PLACES
(12.7)
0.50
(4.1)
0.16
Mounting Inserts
M3 x 0.5 Through 4pl.
Suffix "O" Type
Standard Type
BOTT OM VIEW
4
5
3
2
1
6
7
8
min.
CASE QB
All Specifications Typical At Nominal Line, Full Load and 25˚C Unless Otherwise Noted.
Specifications
INPUT SPECIFICATIONS:
Input Voltage Range.........................................................24V.............18-36V
48V............ 36-75V
Undervoltage lockout .................................24Vin power up..................17V
power down .............15.5V
48Vin power up ............... 34V
power down ............. 32.5V
Positive Logic Remote ON/OFF3, 4
Input Filter ............................................................................................ PI Type
OUTPUT SPECIFICATIONS:
Voltage Accuracy : ................................................................. ±1% max.
Transient Response :75% - 100% Step Load Change
Error Band......................................................................±5% Vout
Recover Time....................................................................
<
500µs
External Trim Adj. Range ..................................................................±10%
Ripple & Noise, 20MHz BW.......................................... 40mV RMS., max.
100mV pk-pk, max.
Temperature Coefficient........................................................ ±0.03%/˚C
Short Circuit Protection......................................................... Continuous
Line Regulation1 .....................................................................±0.2% max.
Load Regulation2 ..................................................................±0.2% max.
Over Voltage Protection trip Range, % Vo nom.....................115-140%
Current Limit .............................................110% ~140% Nominal Output
GENERAL SPECIFICATIONS:
Efficiency....................................................................................See Table
Isolation Voltage ...........................Input/Output.............1500VDC min.
Input/Case................. 1500VDC min.
Output/Case.............1500VDC min.
Isolation Resistance .............................................................107 ohm min.
Switching Frequency ............................................................300KHz, Typ.
Operating Case Temperature ........................................-40˚C to 100˚C
Storage Temperature ...................................................-40˚C to +105˚C
Thermal Shutdown, Case Temp. .......................................... 100˚C Typ.
Dimensions .............................................................1.45x2.28x0.50 inches
(36.8x57.9x12.7 mm)
Case Material (Standard)...........Aluminum Baseplate with Plastic Case
(Suffix"O" Type)......................................Open Frame
Weight................................................................................................61.8g
NOTE:
1. Measured From High Line to Low Line.
2. Measured From Io min. to Io max.
3. Logic Compatibility .... Open Collector ref, to -Input.
Module ON ....................Open Circuit
Module OFF................... <0.8Vdc
4. Suffix "N" to the Model Number with Negative Logic Remote ON/OFF.
5. Suffix "O" to the Model Number with Open Frame Type.
PKQ75
All Dimensions In Inches(mm)
Tolerance Inches: x.xx= ±0.02, x.xxx= ±0.010
Millimeters: x.x= ±0.5, x.xx= ±0.25
PIN CONNECTION
Pin Function
1
2
3
4
5
6
7
8
+V Input
ON/OFF
-V Input
-V Output
-Sense
Trim
+Sense
+Vout
PKQ75
50 - 75 WATT 1/4 BRICK
DC-DC CONVERTERS
S E R I E S
MODEL
NUMBER
PKQ75-24S18
PKQ75-24S25
PKQ75-24S33
PKQ75-24S05
PKQ75-48S18
PKQ75-48S25
PKQ75-48S33
PKQ75-48S05
18-36 VDC
18-36 VDC
18-36 VDC
18-36 VDC
36-75 VDC
36-75 VDC
36-75 VDC
36-75 VDC
1.8 VDC
2.5 VDC
3.3 VDC
5 VDC
1.8 VDC
2.5 VDC
3.3 VDC
5 VDC
0.5 - 25A
0.5 - 25A
0.5 - 20A
0.5 - 15A
0.5 - 25A
0.5 - 25A
0.5 - 20A
0.5 - 15A
60 mA
60 mA
70 mA
80 mA
50 mA
50 mA
50 mA
80 mA
2259 mA
3064 mA
3125 mA
3472 mA
1116 mA
1514 mA
1563 mA
1736 mA
83
85
88
90
84
86
88
90
Quarter-Brick
Quarter-Brick
Quarter-Brick
Quarter-Brick
Quarter-Brick
Quarter-Brick
Quarter-Brick
Quarter-Brick
% EFF. SIZE
INPUT
VOLTAGE
OUTPUT
CURRENT
INPUT CURRENT
NO LOAD FULL LOAD
OUTPUT
VOLTAGE
NOTE: 1. Nominal Input Voltage 24 or 48 VDC
• 50-75W Isolated Output
• Quarter Brick Package
• Regulated Outputs
• Open Frame Design is Available
Features
• Efficiency to 90%
• 1500VDC Isolation
• Continuous Short Circuit Protection