U4793B
Overload Monitoring with Resistive Load, VT = 44.
5 mV
Description
The IC U4793B in bipolar circuit, is designed to monitor overload or a short circuit in automotive or industrial applications.
The threshold is tied to V4,6 = VS – VT whereas VT = 44.
5 mV.
It is independent of the supply
voltage, VS.
If the
voltage drop across shunt resistor, Rsh, exceeds this value, the output is turned on, otherwise the output is turned off.
Without supply
voltage or open input Pin 8, the output is turned off.
The output breakdown
voltage is determined by the Z-diodes Z3 and Z5 with a typical value of VZ = 22 V.
A not used comparator input must be connected to Pin 7.
Features
D D D D D
10 kV – ESD pr...