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VHB75-Single Output Half Brick DC-DC Converter
V-Infinity, LLC, 9615 SW Allen Blvd Suite 103, Beaverton, OR 97005
www.v-infinity.com
1-866-372-1258
Input
Input Voltage Range
12V 9-18V
24V 18-36V
48V 36-75V
Under Voltage Lockout
12 Vin power up 8.8V
power down 8V
24Vin power up 17V
power down 16V
48Vin power down 34V
power down 32.5V
Positive Logic Remote ON/OFF (see note 4&5)
Input Filter
PI Type
Output
Voltage Accuracy
±1% max.
Transient Response: 25% Step Load Change
<500µ sec.
External Trim Adj. Range
±10%
Ripple & Noise
20MHz BW, 2.5V, 3.3V, 5V
20mV RMS., max
75mV pk-pk., max
12V & 15V
30mV RMS., max
100mV pk-pk., max
24V
100mV RMS., max
240mV pk-pk, max
Temperature Coefficient
±0.03%/°C
Short Circuit Protection
Continuous
Line Regulation1
±0.2% max
Load Regulation2
±0.2% max
Over Voltage Protection trip Range, % Vo nom.
115-140%
Current Limit
110-150% Nominal Output
General Specifications
Efficiency
see table
Isolation Voltage
Input/Output
1500VDC min.
Input/Case
1500VDC min.
Output/Case
1500VDC min.
Isolation Resistance
107Ohm min.
Switching Frequency
12-24Vin
400KHz, Typ.
48Vin
300KHz, Typ
Operating Case Temperature
-40°C to +100°C
Storage Temperature
-55°C to +105°C
Thermal Shutdown, Case Temp.
100°C Typ.
Dimensions
2.28x2.40x0.50 inches
(57.9x61.0x12.7mm)
Case Material
aluminum
Features
·37.5W-75W isolated output
·Efficiency to 85%
·300KHz switching frequency
·2:1 input range
·Regulated outputs
·Continuous short circuit protection
·Industry standard half-brick package
·Five-sided metal case
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