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 Switch Mode Power Supplies (SMPS) with minimal external components.
Features
 Brownout Protection with Hysteresis
 Built-In 5ms Soft-Start Function
 Internal Avalanche-Rugged 700V SenseFET
 No 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-RestartCircuit (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 switch-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
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