V-Infinity, LLC, 9615 SW Allen Blvd Suite 103, Beaverton, OR 97005

www.v-infinity.com

1-866-372-1258

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VQB75- Single Output Brick DC-DC Converter

Input

Input Voltage Range

24V 18-36V

48V 36-75V

Under Voltage Lockout

24 Vin power up 17V

power down 15.5V

48Vin power up 34V

power down 32.5V

Input Filter

PI Type

Output

Voltage Accuracy

±1% max.

Transient Response: 75%-100% Step Load Change

Error Band

±5%

Recover Time

<500us

External Trim Adj. Range

±10%

Ripple & Noise

20MHz BW, 2.5V, 3.3V, 5V

40mV RMS., max

100mV pk-pk., max

Temperature Coefficient

±0.03%/°C

Short Circuit Protection

Continuous

±0.2% max

±0.2% max

Over Voltage Protection trip Range, % Vo nom.

115-140%

Current Limit

110-140% Nominal Output

General Specifications

Efficiency

see table

Isolation Voltage

Input/Output

1500VDC min.

Input/Case

1500VDC min.

Output/Case

1500VDC min.

Isolation Resistance

Switching Frequency

300KHz, Type

Operating Case Temperature

-40°C to +100°C

Storage Temperature

-40°C to +105°C

Thermal Shutdown, Case Temp.

100°C Typ.

Dimensions

1.45x2.28x0.50 inches

(36.8x57.9x12.7mm)

Case Material

aluminum baseplate with plastic case

Features

·50-75W isolated output

·Efficiency to 90%

·300KHz switching frequency

·2:1 input range

·Regulated outputs

·Continuous short circuit protection

·Industry standard half-brick package

·Open frame type option