U4790B Overview
The bipolar IC U4790B is designed as a monitor for lamp failure in automobiles. The parator threshold is matched to the PTC characteristic of incandescent lamps. The threshold is tied to a typical value of V4,6 = VS VT where VT = 8 mV.
U4790B Key Features
- + & Z5 0.6 VS
- + 6 Z3 1