Step-down converter DPA-Switch

isolatedICfor telecom applications

Description * Monolithic IC integrating 220 V high frequency MOSFET with all control & fault protection circuitry * Wide DC input voltage range (16 VDC to 75 VDC) * Lossless integrated current limit * Built-in auto-restart * Voltage mode control allows 75% duty cycle while providing >5 kHz loop bandwidth * Input UV/OV shutdown protection (meets ETSI standards) * Pin selectable 300/400 kHz * Enables low cost synchronous rectification Applications * 24 V/48 V Distributed Power Architectures (DPA) * DC-DC converter module "bricks" * PoE Powered Devices (PoE Applications Support Page) * Servers, routers & network line cards * Telecom central office equipment * VoIP & digital feature phones * Temperature & industrial controls