U479B Description
The monolithic integrated bipolar circuit, U479B, 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 V4,6 = VS VT whereas VT = 8 mV.
U479B Key Features
- + 0.6 VS
- + 6 1 Lamps R1 150 W