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U4793B - Overload Monitoring with Resistive Load/ VT = 44.5 mV

Datasheet Summary

Description

The IC U4793B in bipolar circuit, is designed to monitor overload or a short circuit in automotive or industrial applications.

VT whereas VT = 44.5 mV.

It is independent of the supply voltage, VS.

Features

  • D D D D D 10 kV.
  • ESD protection Two comparators with common reference Tight threshold tolerance Constant threshold NPN output D Interference and damage.
  • protection according to VDE 0839 D EMI protection D Reversal polarity protection D Load-dump protection Ordering Information Extended Type Number U4793B U4793B.
  • FP Package DIP8 SO8 Remarks Block Diagram VS 2 Rsh Z2 +.
  • 0.6 VS.
  • + 8 +.
  • 6 Z3 1 Load R1 150 W 3 & OUT2 & Z5 7 5 VBatt OUT1 4 Rsh 9.

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Datasheet Details

Part number U4793B
Manufacturer TEMIC Semiconductors
File Size 79.75 KB
Description Overload Monitoring with Resistive Load/ VT = 44.5 mV
Datasheet download datasheet U4793B Datasheet
Additional preview pages of the U4793B datasheet.

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Full PDF Text Transcription

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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.
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