FSL126HR

PWM 控制器，Fairchild Semiconductor### 离线和隔离直流-直流控制器，Fairchild Semiconductor回扫控制器、线路电平控制 LLC 控制器和初级侧调节控制器显著节能，以满足开关模式电源 SMPS 设计的需要。 所有控制器随附集成软启动和过压、开口反馈、过载、输出短路、过电流、电压中断和欠压闭锁功能。

Description

The integrated Pulse Width Modulator PWM and SenseFET is specifically designed for high performance offline Switch-Mode Power Supplies SMPS with minimal external components. FSL126HR includes integrated high-voltage power switching regulators that combine an avalanche-rugged SenseFET with a current-mode PWM control block.

Features

■ Internal Avalanche-Rugged SenseFET 650V

■ Under 50mW Standby Power Consumption at 265VAC, No-load Condition with Burst Mode

■ Precision Fixed Operating Frequency with Frequency Modulation for Attenuating EMI

■ Internal Startup Circuit

■ Built-in Soft-Start: 20ms

■ Pulse-by-Pulse Current Limiting

■ Various Protections: Over-Voltage Protection

   OVP, Overload Protection OLP, Output-Short

   Protection OSP, Abnormal Over-Current

   Protection AOCP, Internal Thermal Shutdown

   Function with Hysteresis TSD

■ Auto-Restart Mode

■ Under-Voltage Lockout UVLO

■ Low Operating Current: 1.8mA

■ Adjustable Peak Current Limit

Applications

■ SMPS for VCR, STB, DVD, & DVCD Players

■ SMPS for Home Appliance

■ Adapter