DC-DC Converter
QHL750 Series
750 Watts
• 200 - 425 VDC Input Range
xxx Series
• Single Output
• Industry Standard Full Brick
• -40 °C to +85 °C Operation
• 3000 VAC Isolation
• Output Trim -40% to +10%
• Remote On/Off
• Current Share and Power Good Signals
• 3 Year Warranty
Dimensions:
QHL750:
4.6 x 2.4 x 0.5” (116.8 x 61.0 x 12.7 mm)
Models & Ratings
Input Current(1)
Input
Voltage
Output
Voltage
Ripple &
noise(2)
Max. capacitive
load(3)
Output Current
Efficiency(1)
Model Number
No Load
Full Load
2.79 A
12 V
15 V
24 V
28 V
48 V
62.5 A
50.0 A
31.2 A
26.7 A
15.6 A
10 mA
10 mA
10 mA
10 mA
10 mA
300 mV
300 mV
400 mV
400 mV
650 mV
89.5%
89.0%
90.0%
90.5%
91.0%
10000 µF
10000 µF
10000 µF
10000 µF
8000 µF
QHL750300S12
QHL750300S15
QHL750300S24
QHL750300S28
QHL750300S48
2.81 A
200-425 V
2.78 A
2.73 A
2.75 A
Notes
1. Measured at 300 VDC input.
2. Peak to peak measured at 20MHz bandwidth and 1000 µF electrolytic/1 µF ceramic capacitors.
3. Minimum capacitive load of 1000 µF required to maintain regulation.
Mechanical Details
4.099(104.11)
3.949(100.30)
3.799(96.49)
3.649(92.68)
3.499(88.87)
Pin Connections
Pin
1
2
Function
-Vin
+Vin
3.349(85.06)
3
REM-
4
REM+
+Vout
-Vout
-Sense
+Sense
Trim
10
5-7
8-10
11
12
13
14
15
16
-Vo
1
9
-Vin
-Vo
8
-Vo
2
+Vin
-
7
+Vo
3
4
6
5
+
+Vo
+Vo
Current Share
Power Good
Auxiliary, 7-13 V/20 mA
0.199(5.05)
4.20(106.7)
Notes
Mounting Inserts
3.5 Through 4Pl.
1. All dimensions are in inches (mm)
2. Weight: 0.51 lbs (230 g) approx.
3. Tolerance: x.xx = 0.02 (x.x = 0.5)
x.xxx = 0.01 (x.xx = 0.25)
4.60(116.8)
www.xppower.com
1