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
ï§ Brownout Protection with Hysteresis
ï§ Built-In 5ms Soft-Start Function
ï§ Internal Avalanche-Rugged 700V SenseFET
ï§ Low Acoustic Noise During Light-Load Operation
ï§ High-Voltage Startup
ï§ Linearly Decreasing PWM Frequency to 18KHz
ï§ Peak-Current-Mode Control
ï§ Cycle-by-Cycle Current Limiting
ï§ Leading-Edge Blanking (LEB)
ï§ Synchronized Slope Compensation
ï§ Internal Open-Loop Protection
ï§ VDDUnder-Voltage Lockout (UVLO)
ï§ VDDOver-Voltage Protection (OVP)
ï§ Internal Auto-Restart Circuit (OVP, OTP)
ï§ Constant Power Limit (Full AC Input Range)
ï§ Internal OTP Sensor with Hysteresis
ï§ 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:
ï§ Auxiliary Power Supply for PC and Server
ï§ SMPS for VCR, SVR, STB, DVD & DVCD Player, Printer, Facsimile, and Scanner
ï§ Adapter for Camcorder
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