TOP202 - Power Integrations Inc.

TOP202 Three-terminal Off-line PWM Switch

The TOPSwitch family implements, with only three pins, all functions necessary for an off-line switched mode control system: high voltage N-channel power MOSFET with controlled turn-on gate driver, voltage mode PWM controller with integrated 100 kHz oscillator, high voltage start-up bias circuit, bandgap derived reference, bias shunt regulator/error amplifie.

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 110 VAC w/Doubler TOP200YAI
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