PKQ75
50~75 Watts DIP Type
Single Output
DC - DC Converters
◆ 50-75W Isolated Output / 300KHz Switching Frequency
◆ 2:1 Input Range / Efficiency To 90% / Regulated Outputs
◆ Quarter-Brick Size Meet Industrial Standard
◆ CE Mark Meets 2004/108/EC ; UL60950-1 Approval
Input Voltage Range...............24V:18-36VDC ; 48V: 36-75VDC
Undervoltage Lockout:.........................................................
24Vin power up: 17VDC / Power down: 15.5VDC
48Vin power up: 34VDC / Power down: 32.5VDC
Positive Logic Remote On/Off.............................See note 3&4
Input Filter..................................................................PI Type
Voltage Accuracy................................................± 1% max.
Transient Response.....................75-100% Step Load Change
Error Band:± 5%Vout / Recover Time:<500 μs
External Trim Adj. Range..............................................± 10%
Ripple & Noise(20MHz BW).........................100mV pk-pk max.
Temperature Coefficient..............................±0.03%/oC max.
Short Circuit Protection........................................Continuous
Line Regulation (See note1)................................± 0.2% max.
Load Regulation (See note2)..............................± 0.2% max.
OVP trip Range, % Vo nom.................................... 115-140%
Current Limit.............................110%~140% Nominal Output
Isolation Voltage............................................. 1500VDC min.
Switching Frequency.......................................... 300KHz,Typ.
Operating Case Temperature....................... -40oC To+100oC
Storage Temperature................................... -40oC To +105oC
Thermal Shutdown, Case Temp. ............................100OC Typ.
Case Material..............Aluminum baseplate with plastic case
Dimensions...1.45 x 2.28 x 0.50 Inches (36.8 x 57.9 x 12.7 mm)
Weight ...........................61.8g (standard) ;39g (open frame)
Model
Number
PKQ75-24S18
Input
Voltage
(VDC)
18-36
Output
Voltage
(VDC)
1.8
Output
Current
(A)
C
0.5-25
US
EFF.
%
83
PKQ75-24S25
18-36
2.5 0.5-25
85
PKQ75-24S33
18-36
3.3 0.5-20
88
PKQ75-24S05
18-36
5.0 0.5-15
90
PKQ75-48S18
36-75
1.8 0.5-25
84
PKQ75-48S25
36-75
2.5 0.5-25
86
PKQ75-48S33
36-75
3.3 0.5-20
88
PKQ75-48S05
36-75
5.0 0.5-15
90
Note:
(1) Measured From High Line to Low Line
(2) Measured From lo Min. To lo Max.
(3) Logic Compatibility......Open Collector ref, to -Input
Module ON........Open Circuit
Module OFF......< 0.8 VDC
(4) Suffix " N " to the Model Number with Negative Logic Remote ON/OFF
(5) Suffix " O " to the Model Number with Open Frame Type
(6) Suffix " C " to the Model number with Clear Mounting Insert (3.2mm DIA.)
(Unit: inch(mm))
2.28
(57.9)
2.00
(50.8)
Mounting Inserts
M3*0.5 Through 4pcs.
1.03
(26.16)
1.45
0.60
(15.24)
(36.8)
3
Vi (-)
Vo (-)
- Sense
4
5
2 ON/OFF
Trim 6
1 Vi (+)
+ Sense 7
Vo (+) 8
BOTTOM VIEW
1.86
(47.2)
0.30
(7.62)
0.60
(15.24)
0.16
(4.1)
min.
0.020
(0.51)
0.04 (1.02)
DIA 6PLACES
0.059 (1.5)
DIA 2PLACES
0.50
(12.7)
External Output Trimming
+SENSE
+SENSE
Trim Down
TRIM
TRIM
Trim Up
-SENSE
-SENSE
10K ohm
TRIMPOT
PIN CONNECTION
Pin Function Pin Function
1 +Vin 5 -Sense
2 ON/OFF
6
Trim
3 -Vin 7 +Sense
4 -Vout 8 +Vout
Remote ON/OFF Control
ON/OFF
HIGH SIGNAL HERE
DISABLE OUTPUT
-VIN
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