FSL127HNY

绿色模式飞兆功率开关 Green Mode Fairchild Power Switch

Description

The highly integrated FSL127H consists of a current mode Pulse Width Modulator PWM and an avalanche rugged 700V SenseFET. It is specifically designed for high-performance offline Switch Mode Power Supplies SMPS with minimal external components.

Features

Built-in 5ms Soft-Start Function

Internal Avalanche-Rugged 700V SenseFET

Low Audio Noise

High-Voltage Startup

Fixed PWM Frequency at 100KHz

Linearly Decreasing PWM Frequency to 18KHz

Peak-Current-Mode Control

Cycle-by-Cycle Current Limiting

Leading-Edge Blanking LEB

Synchronized Slope Compensation

Internal Open-Loop Protection OLP

VDDUnder-Voltage Lockout UVLO

VDDOver-Voltage Protection OVP

Constant Power Limit Full AC Input Range

Internal OTP Sensor with Hysteresis

Applications

General-purpose switch-mode power supplies and flyback power converters, including:

SMPS for VCR, SVR, STB, DVD & VCD Player, Printer, Facsimile, & Scanner

Adapter for Camcorder