绿色模式飞兆功率开关 Green Mode Fairchild Power Switch
Description
The highly integrated FSBH-series consists of an integrated current-mode Pulse Width Modulator PWM and an avalanche-rugged 700V SenseFET. It is specifically designed for high-performance offline Switched-Mode Power Supplies SMPS with minimal external components.
Features
Brownout Protection with Hysteresis
Built-In 5ms Soft-Start Function
Internal Avalanche-Rugged 700V SenseFET
Low Acoustic Noise During Light-Load Operation
High-Voltage Startup
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
VDDUnder-Voltage Lockout UVLO
VDDOver-Voltage Protection OVP
Internal Auto-Restart Circuit OVP, OTP
Constant Power Limit Full AC Input Range
Internal OTP Sensor with Hysteresis
VIN Pin for Pull-HIGH Latch Function and Pull-LOW Auto-Recovery Protection
Applications
General-purpose switched-mode power supplies and flyback power converters, including:
Auxiliary Power Supply for PC and Server
SMPS for VCR, SVR, STB, DVD & DVCD Player, Printer, Facsimile, and Scanner
Adapter for Camcorder