U4793B

更新时间： 2024-11-01 22:15:31

品牌	Logo	应用领域
TEMIC		光电二极管监控
页数	文件大小	规格书
5页	82K
描述
Overload Monitoring with Resistive Load, VT = 44.5 mV

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U4793B 数据手册

U4793B

Overload Monitoring with Resistive Load, V_T= 44.5 mV

Description

The IC U4793B in bipolar circuit, is designed to monitor Without supply voltage or open input Pin 8, the output is

overload or a short circuit in automotive or industrial turned off. The output breakdown voltage is determined

applications. The threshold is tied to V = V – V

by the Z-diodes Z and Z with a typical value of

4,6

3 5

whereas V = 44.5 mV. It is independent of the supply V = 22 V.

voltage, V If the voltage drop across shunt resistor, R ,

exceeds this value, the output is turned on, otherwise the A not used comparator input must be connected to Pin 7.

output is turned off.

Features

10 kV – ESD protection

Two comparators with common reference

Tight threshold tolerance

Constant threshold

Interference and damage–protection

according to VDE 0839

EMI protection

Reversal polarity protection

Load-dump protection

NPN output

Ordering Information

Extended Type Number

U4793B

Package

DIP8

Remarks

U4793B–FP

SO8

Block Diagram

V_S

V_Batt

R_sh

Z₂

OUT1

–

Z₅

R_sh

0.6 V_S

–

OUT2

Z₃

R₁

Load

150

95 10608

Figure 1. Schematic and application circuit

TELEFUNKEN Semiconductors

1 (5)

Rev. A2, 06-Mar-97

12 3 4 5

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