DC/DC Regulated Boost Converter Wide Input Voltage Range (8 to 30.5Vdc)
The RHB40 is primarily designed for 28 Vdc buss systems to deliver regulated 24 Vdc power. The RHB40 will operate from an input voltage range of 12-24 Vdc (down to 8Vdc in abnormal mode) with continuous output current up to 16.6 amps and 190% overload current capability (31.5 amps).
The RHB40 is designed to maintain on-line critical equipment and instruments during engine starts. For an input voltage greater than 24 Vdc the unit operates in a conduction or override mode and delivers up to 35 Amp of continuous output current.
CONDUCTION or OVERRIDE MODE
The RHB40 will automatically change from a “Switching” or “Regulation” mode to a “Conduction” or “Override” mode with a maximum current rating of 35 Amps whenever the following conditions occur:
a) Input voltage is greater than the regulating 24 Vdc
b) Internal component failure occurs
c) Thermal overload protection circuit is activated
d) External 28 Vdc “Override” signal is applied at pin E