SD55126

Category
Leakage-protection circuits
Keywords
Circuit board, SD55126
Description
SD55126 is a high-performance CMOS circuit dedicated to ground-fault protection. It integrates a regulated power supply, amplifier, comparator, delay, counter, trip control, and trip driver. External components include a trip coil, varistor, zener diode, diode, resistor, and capacitor.
Package
SOP8

Key parameters

Description
Type A Circuit for Leakage Current Protection (CMOS).
Applications
Type A high-speed earth leakage protector
Operating Current (Max)
2.8mA
Latch time (Ton)
28ms(Min)
Package
SOP8

Overview

SD55126 is a high-performance CMOS leakage-protection dedicated IC. The chip integrates a voltage reference, amplifier, comparator, timing circuit, output circuit, and gate-control circuit. Applications include lithium-battery protection, overvoltage protection, undervoltage protection, overcurrent protection, short-circuit protection, and battery-cell protection. Available in an SOP8 package.

TECHNICAL DOCUMENTS

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