SD54123B

Key parameters

Description

AC type leakage current protection special circuit (CMOS).

Applications

AC type high speed earth leakage protector

Operating Current (Max)

1mA

Latch time (Ton)

30ms(Typ)

Package

SOP8

Overview

The SD54123B is a dedicated circuit for high-performance CMOS leakage protectors.The chip contains a regulated power supply, an amplifier circuit, a comparator circuit, a delay circuit, a counter circuit, a trip control circuit, and a trip drive circuit.The periphery of the chip is used for trip coils, varistors, voltage regulating diodes, diodes, resistors, capacitors and other components. SD54123B is in SOP8 package.