Cincon CHB75 Dual 75W DC/DC Converter



CHB75 Dual
(75 WATT WIDE INPUT DC/DC CONVERTER
DUAL OUTPUT)

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Features
  • 75W Isolated Output
  • Efficiency to 84%
  • 400KHz Switching Frequency
  • 2:1 Input Range
  • Regulated Outputs
  • Continuous Short Circuit Protection
  • Industry Standard Half-Brick Package
  • Total Power 75W With 15A Maximum Per Channel

Input Specifications
Input Voltage Range
48V
36-75V
48Vin power up
34V
48Vin power down
32.5V
Input Filter
Pi Type

Output Specifications
Voltage Accuracy
+/-2% max.
Transient Response:25% Step Load Change
<500u sec.
External Trim Adj. Range
+/-5%
Ripple & Noise, 20MHz BW, 2.5 3.3V & 5V
40V RMS., max. 100mV pk-pk,max.
Temperature Coefficient
+/- 0.03%/ºC
Short Circuit Protection
Continuous
Line Regulation1
+/- 0.2% max.
Load Regulation2
+/- 0.5% max.
Over Voltage Protection trip Range, % Vo nom.
115-140%
Current Limit
110%-140% Nominal Output

General Specifications
Isolation Voltage
Input/Output---------1500VDC min.
Input/Case---------1500VDC min
Output/Case---------1500VDC min
Isolation Resistance
10º7 ohm min.
Switching Frequency
400KHz, Typ.
Operating case Temperature
-40ºC to 100ºC
Storage Temperature
-55ºC to 105ºC
Thermal Shutdown Range, Case Temp.
100ºC Typ.
Dimensions
2.28 x 2.40 x 0.50 inches(57 x 61 x 12.7 mm)

Case Materials
Standard
Aluminum Baseplate with Plastic Case

CHB75 Series Specifications
Model Number
Input Voltage
Output Voltage
Output Current
Input Current
Efficiency

Case
Min
Max
No Load
Full Load
CHB75-48D05-3V3
36-75 VDC
Vo1 = 5V
Vo2 = 3.3V
1A
0A
15 A
15 A
30 mA
1860 mA
84%
HB
CHB75-48D05-2V5
36-75 VDC
Vo1 = 5V
Vo2 = 2.5V
1A
0A
15A
15A
30 mA
1860 mA
84%
HB


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