75 WATT WIDE INPUT DC-DC
CONVERTERS DUAL OUTPUT
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75W Isolated Output
Efficiency to 84%
400KHz Switching Frequency
2 : 1 Input Range
Regulated Outputs
Continuous Short Circuit Protection
Industrial Standard Half-Brick Package
Total power 75W with 15A Maximum Per
Channel
V
V
I
I
I
I
Full Load
Model Num
Eff Case
In
Out
Out Min
Out Max
No Load
CHB75-48D05-36-75 VDC
2V5
5.0 VDC
2.5 VDC
1 A 15000.0 mA
0 A
30.0 mA
1.86 A 84% HB
CHB75-48D05-36-75 VDC
3V3
5.0 VDC
3.3 VDC
1 A 15000.0 mA
0 A
30.0 mA
1.86 A 84% HB
Note: 1. Nominal Input Voltage : 48 VDC
2. Measured with 15A load on VO1
SPECIFICATIONS
Input Specifications
Input Voltage Range
Under voltage lockout
48V----------36-75V
48Vin power up----------34V
48Vin power down----------32.5V
PI Type
Positive Logic Remote ON/OFF ( see note 3 & 4 )
Input Filter
Output Specifications
Voltage Accuracy
+/-2.0% max.
<500us
Transient Response:25% Step Load Change
External Trim Adj. Range
Ripple & Noise, 20MHz BW
2.5V & 3.3V & 5V
+/- 5.0%
40mV RMS, max.
100mV pk-pk, max.
+/- 0.03%/ oC
Temperature Coefficient
Short Circuit Protection
Continuous
1
+/-0.2% max.
Line Regulation , Single/Dual
2
+/-0.5% max.
Load Regulation , Single/Dual
Over Voltage Protection trip Range ,% Vo nom
115-140%
3
110% ~140% Nominal Output
Current Limit
General Specifications
Efficiency
See Table
1500VDC min.
1500VDC min.
1500VDC min.
Isolation Voltage Input/Output
Input/Case
Output/Case
7
Isolation Resistance
Switching Frequency
Operating Case Temperature
Storage Tempterature
Thermal Shutdown, Case Temp
Dimensions
10 ohms min.
400KHz ,Typ.
-40oC to +100oC
-55oC to +105oC
100oC Typ
2.28X2.40X0.50 inches
(57.9X61.0X12.7mm)
RSG [ RSG ELECTRONIC COMPONENTS GMBH ]
