TNY280PN — Power Integrations TinySwitch‑III Power IC (AC‑DC Offline Converter)

The TNY280PN is an integrated power‑switching controller IC from the TinySwitch‑III family by Power Integrations. It’s designed for small offline AC‑to‑DC power supply applications such as wall adapters, chargers, LED drivers, and low‑power PSU circuits. 

📌 Key Features & Specs

• Type: Integrated power management IC (offline AC‑DC switcher) 

• Family: TinySwitch‑III series 

• Topology: Flyback offline converter 

• Switching Frequency: ~132 kHz 

• Input Voltage: Approx. 85–265 VAC line range 

• Max Output Power: ~20–36.5 W depending on design and conditions 

• Package: DIP‑8C through‑hole 

• Operating Temp: −40 °C to +150 °C 

• Breakdown Voltage: Up to ~700 V