TOP201YAI

® TOP200-4/14 TOPSwitch® Family Three-terminal Off-line PWM Switch Product Highlights Low Cost Replacement for Discrete Switchers 20 to 50 fewer components - cuts cost, increases reliability Source-connected tab and Controlled MOSFET turn-on reduce EMI and EMI filter costs Allows for a 50% smaller and lighter solution Cost competitive with linears above 5 W Up to 90% Efficiency in Flyback Topology Built-in start-up and current limit reduce DC losses Low capacitance 700 V MOSFET cuts AC losses CMOS controller/gate driver consumes only 6 mW 70% maximum duty cycle minimizes conduction losses Simplifies Design - Reduces Time to Market Supported by many reference design boards Integrated PWM Controller and 700 V MOSFET in a industry standard three pin TO-220 package Only one external capacitor needed for compensation, bypass and start-up/auto-restart functions System Level Fault Protection Features Auto-restart and cycle by cycle current limiting functions handle both primary and secondary faults On-chip latching thermal shutdown protects the entire system against overload Highly Versatile Implements Buck, Boost, Flyback or Forward topology Easily interfaces with both opto and primary feedback Supports continuous or discontinuous mode of operation AC IN DRAIN SOURCE CONTROL TOPSwitch PI-1703-112995 Figure 1. Typical Application. TOPSwitch SELECTION GUIDE ORDER PART NUMBER OUTPUT POWER RANGE PFC/ FLYBACK BOOST 85-265 VAC 230/277 VAC 230 VAC or...