Power Integrations AC/DC Converter 2.25 A 50 V 7-Pin DIP TNY289PG

Power Integrations TNY289PG AC/DC Converter is a TinySwitch-4 series device combining a high voltage power MOSFET and an ON/OFF flyback power supply controller within a compact 7-pin DIP package. It efficiently converts AC input voltage into regulated DC output with output power rated at 12W and maximum output current of 2.25A at 50V, ideal for power management applications.

This device supports a wide input voltage range from 85V AC minimum to 265V AC maximum, making it suitable for various industrial and electronic environments. It operates within a temperature range of -40°C to 150°C, ensuring reliable performance under harsh conditions. The Flyback topology enables a maximum duty cycle of 67%, improving load regulation and efficiency.

The TNY289PG includes a self-biased design that eliminates the need for a bias winding or additional bias components, simplifying circuit design and reducing component count. It features an 800μA supply current and incorporates frequency jittering to reduce EMI filter costs.

The device provides accurate hysteretic thermal shutdown protection with automatic recovery and auto-restart features to enhance safety and prevent damage under fault conditions. Its pin-out layout aids in simplified PCB heat sinking, facilitating thermal management in compact power supplies.

Typical applications include industrial electronics, power adapters, power management for consumer electronics, and general AC-DC power conversion tasks requiring reliable and efficient operation.

Supports maximum input voltage of 265V AC for flexible use. Compact through-hole mount with length 9.83mm, width 6.6mm, and height 3.68mm. Features Flyback topology with maximum duty cycle of 67% for effective power conversion.

Operates from minimum input voltage of 85V AC and supply current of 800μA. Operates reliably between -40°C and 150°C ambient temperatures. Offers self-biased design with no bias winding or bias components required. Includes accurate hysteretic thermal shutdown protection with auto restart capability.

Pin-out configuration enables simplified PCB heat sinking. Explore more Power Integrations AC/DC Converters and power management ICs at EnvMart for your industrial and laboratory applications.