FSBH0270NY Datasheet PDF - Fairchild

●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

●ƒ  Brownout Protection with Hysteresis

●ƒ  Built-In 5ms Soft-Start Function

●ƒ  Internal Avalanche-Rugged 700V SenseFET

●ƒ  No Acoustic Noise During Light-Load Operation

●ƒ  High-Voltage Startup

●ƒ  Linearly Decreasing PWM Frequency to 18KHz

●ƒ  Peak-Current-Mode Control

●ƒ  Cycle-by-Cycle Current Limiting

●ƒ  Leading-Edge Blanking (LEB)

●ƒ  Synchronized Slope Compensation

●ƒ  Internal Open-Loop Protection

●ƒ  VDDUnder-Voltage Lockout (UVLO)

●ƒ  VDDOver-Voltage Protection (OVP)

●ƒ  Internal Auto-RestartCircuit (OVP, OTP)

●ƒ  Constant Power Limit (Full AC Input Range)

●ƒ  Internal OTP Sensor with Hysteresis

●ƒ  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:

●ƒ  Auxiliary Power Supply for PC and Server

●ƒ  SMPS for VCR, SVR, STB, DVD & DVCD Player, Printer, Facsimile, and Scanner

●ƒ  Adapter for Camcorder