3U VPX Load Board

Features

VITA 48.2 3U VPX Conduction cooled clamshell with ejector handles.

Designed for use with SOSA aligned chassis systems

180 Watt load capability

Supports loading up to 14.75A of VS1 and 1A of 3.3V AUX

Discrete ON/OFF switch for quick load enable/disable

Visual LED go/no go indicators for VS1/VBAT/3.3V AUX voltage rails

DIP switch load adjustments for VS1 and 3.3V AUX voltage rails, ¼ amp granularity

Integrated test points for each voltage rail

4HP width for testing in 4HP / 5HP backplanes and enclosures

T-type thermocouples monitor top and bottom rail temps remotely

Functional

VS1, 40W, 12W, 6W and 3W load adjustments

AUX voltages 2W load adjustment

180W total load capacity (cooling dependent)

32kHz PWM, 16 duty cycle levels per load step

T-type thermocouples monitor top and bottom rail temps remotely

Thermal

Method: Conduction

Operating Temperature: -40 to 71C ambient

Automatic over-temperature protection when card edge temperature exceeds 85C

6 sensors positioned to read card edge temperature

Front Panel I/O

Voltage/Current/Power sensors on each voltage rail

Go/No-Go LEDs on front panel for each of voltage rails

Discrete on/off switch

DIP switch load adjustments fo VS 1/3.3 AUX rails

Non-momentary switch to force zero loading condition

Integrated voltage rail test points