KAM/PSU/012

KAM/PSU/012

The KAM/PSU/012 converts the nominal 28V aircraft power into the voltages needed by the KAM-500 backplane. The DC/DC converters used are the largest components of any KAM-500 module, so the unit is split in two (one half at each end). This allows the components to be bolted to the housing and their weight to be evenly distributed in the KAM-500 chassis.

The +5V supply is primarily for digital circuitry, the ±12V supply is primarily for analog circuitry, and the ±7V is exclusively for bridge excitation. Unlike other KAM-500 modules the KAM/PSU/012 can only be removed by first removing the sides. The KAM/PSU/012 is only supplied as part of the housing. The green LED indicates power on the +5V power line. For the KAM/PSU/012/NC, power glitch reservoir capacitors are removed.

Features

Supplies +5V, ±7V and ±12V for backplane
Fully isolated
No derating with temperature (-40 to +85°C)
Capacitor back-up: 24 ms dropping from 28V @ 40W typical (not applicable for KAM/PSU/012/NC)
Reverse polarity protection
Indefinite short-circuit protection
EMI filtering
Supplies up to 5A on +5V power line