TOP209P - Power Integrations Inc.

TOP209P Three-terminal Off-line PWM Switch

The TOP209/210 implements 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 oscillator, high voltage start-up bias circuit, bandgap derived reference, bias shunt regulator/error amplifier for loop compensation and fault pro.

Features

• Auto-restart and cycle by cycle current limiting functions handle both primary and secondary faults
• On-chip thermal shutdown with hysteresis protects the entire system against overload ® + Wide-Range DC Input TOPSwitch - D CONTROL C S PI-2043-052397 Figure 1. Typical Application. TOPSwitch Selection Guide ORDER PART NUMBER OUTPUT POWER RANGE PACKAGE 230 VAC or 110 VAC w/Doubler 85-265 VAC TOP209P TOP209G TOP210PFI TOP210G DIP-8 SMD-8 DIP-8 SMD-8 0-4 W 0-2 W 0-8 W 0-5 W Description The TOP209/210 implements all functions necessary for an off-line switched mode control system:.