TNY268PN is a switch-mode power supply (SMPS) controller IC manufactured by Power Integrations. It belongs to the TinySwitch‑II family, designed for low-power AC‑DC converters, such as chargers, adapters, and standby power supplies. (alldatasheet.com)

It integrates a high-voltage 700 V MOSFET, oscillator, current-limit, and protection circuits in a single chip, enabling simple flyback SMPS designs with very few external components.

Main Specifications

• Series: TinySwitch‑II

• Input voltage: 85 – 265 VAC

• Internal MOSFET breakdown voltage: 700 V

• Output power: ~22 W (depending on design)

• Switching frequency: ≈132 kHz

• Duty cycle: ~65 %

• Package: DIP‑8 (7 pins used)

• Operating temperature: −40 °C to +150 °C (alldatasheet.com)