98ASB42566B中文资料安森美半导体数据手册PDF规格书

厂商型号	98ASB42566B
功能描述	CrM Totem Pole PFC IC Totem Pole CrM Power Factor Correction Controller
文件大小	2.85618 Mbytes
页面数量	37 页
生产厂商	ONSEMI
中文名称	安森美半导体
网址	网址
数据手册	下载地址一下载地址二到原厂下载
更新时间	2025-11-17 15:19:00
人工找货	98ASB42566B价格和库存，欢迎联系客服免费人工找货

特性 Features

• Totem Pole PFC Topology Eliminates Input Diode Bridge Enabling

Very High Efficiency & Compact Design

• AC Line Monitoring Circuit & AC Phase Detection

• Brownout Detection

• Critical Conduction Mode (CrM) Operation

• Discontinuous Conduction Mode (DCM) with Valley Turn On under

Light Load Conditions

• Frequency Foldback in DCM with 25 kHz Minimum Frequency

• Digital Loop Compensation

• Simplified Valley Sensing

• Novel Current Limit Scheme Eliminates the Needs for Hall Effect

Sensors

• Soft Skip Mode with a Skip Flag for Optimizing Light Load

Performance

• Near Unity Power Factor in All Operating Modes

• PFCOK Indicator

Safety Features

• Soft and Fast Overvoltage Protection

• 2−Level Latch Input for OVP & OTP

• Bulk Undervoltage Protection

• Internal Thermal Shutdown

• Cycle−by−Cycle Current Limit