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TOP209 Datasheet - Power Integrations Inc.

TOP209 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 r.

® TOP209/210 TOPSwitch Family Three-terminal Off-line PWM Switch Product Highlights Cost Effective Switcher for Low Power Applications Replaces linear power supplies Replaces discrete switcher and 20 to 50 components cuts cost, increases reliability Stand-by power supplies for Green or energy efficient products such as personal computers, monitors, UPS, copiers, fax machines, etc. Housekeeping or "keep-alive" power supply applications such as TV.

TOP209 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 Appli

TOP209 Datasheet (446.80 KB)