NCS37020中文资料Self-Test Appliance Leakage Circuit Interrupter (ALCI)数据手册ONSEMI规格书

描述 Description

The NCS37020 is an UL943B compliant signal processor for ALCI applications with self-test. The device integrates a 12 V shunt power supply, tiered differential fault detection and self-test per the UL943B standard. Self-test is monitored at start up and every 12 minutes.

特性 Features

• Meets UL943B Self−test ALCI Requirements
• Quick design for UL certification
• 12 V Shunt Regulator
• Noiseless power supply
• Precision Bandgap
• High GF sensing accuracy
• 3.3 V LDO Linear Regulator
• Step-down power supply for sophisticated operations of analog and digital blocks
• CT Sense Amplifier Vos Dynamic Cancellation
• High GF sensing accuracy
• Oscillator Frequency Trimmed to AC Input
• Auto-adjustable clock
• Tiered GF Trip Times
• Improved noise immunity
• Built−In Noise Filter
• Improved noise immunity
• LED EOL Indicator
• Optional output compliant with UL943B
• SCR Gate Driver
• Compatible with high Igt SCRs
• Minimum External Components
• Space saving and minimal BOM
• Adjustable Sensitivity
• Design flexibility
• Low Quiescent Current
• Power saving
• 14 Pin TSSOP Package
• Small footprint

应用 Application

• Personal Care Products
• Non Grounded Neutral Electrical Outlets, Circuit Breakers and Power Cords Requiring Ground Fault Safety Features
• ALCI and RCCB Circuits
• Hair dryers
• Hair curlers
• Electronic appliances with water proximity

简介

NCS37020属于集成电路（IC）的电源管理-专用。由制造生产的NCS37020电源管理 - 专用专用型电源管理集成电路 (PMIC) 用于电源的控制或操作，适合特定或小范围的目标应用，例如汽车气囊管理、电容器组平衡、AC 公共电力监控、存储器总线端接、接地故障检测、能量收集、小型引擎管理、处理器或芯片集专用电压调节、负载突降保护、触觉驱动器、热电制冷器控制等。