DC-DC
50-150 Watts
xppower.com
ICH Series
•
2:1 & 4:1 Input Ranges
•
Efficiency up to 90%
•
Single Output
•
-40 °C to +100 °C Operating Temperature
•
Continuous Short Circuit Protection
•
Five-sided Metal Case
•
3 Year Warranty
Specification
Input
Input Voltage Range
Input Current (no load)
Input Reverse Voltage
Protection
Input Filter
Undervoltage Lockout
General
• See tables
• See tables
• None
Efficiency
Isolation Voltage
• Pi network
• 2:1 Input Models:
12 Vin, power up 8.8 V, down 8.0 V
24 Vin, power up 17.0 V, down 16.0 V
48 Vin, power up 34.0 V, down 32.5 V
Isolation Resistance
Switching Frequency
4:1 Input Models:
24 Vin, power up 8.8 V, down 8.0 V
48 Vin, power up 17.0 V, down 16.0 V
Output
Output Voltage Trim
Initial Set Accuracy
Line Regulation
• ±10%
• ±1% max (ICH100: ±1.5%)
• ±0.2% max measured from high line
to low line
Load Regulation
• ±0.2% max measured from 0-100% load
Transient Response
• 5% max deviation, recovery to within
1% in 500 μs, 25% step load change
Ripple & Noise
• 3.3 & 5 V models: 100 mV pk-pk
12 & 15 V models: 150 mV pk-pk
24, 28 & 48 V models: 1% max pk-pk
ICH50/75 - 3.3 V, 5 V models: 75 mV
12 V, 15 V models: 100 mV
20 MHz bandwidth (see note 3)
Overvoltage Protection • 115-140%
Short Circuit Protection • ICH50/75/100W: Trip & restart (hiccup
mode) with auto recovery
ICH50W/75W/100/150: Current limit, auto
recovery
Temperature
• ±0.03%/°C
Coefficient
Current Limit
• 110-160% nominal output
Remote On/Off
• See note 1 & 2
Thermal Shutdown
• ICH50/50W/75/75W/100/150:
Thermal shutdown when case temperature
reaches 100 °C, auto recovery when case
temperature < +60 °C
ICH100W:
Thermal shutdown when case temperature
reaches 105 °C, auto recovery when case
temperature 3.5 VDC for ICH100 W models). Module Off =
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