Power Integrations AC/DC Converter 265V AC Input 5V DC Output 1.2A 9W 7-Pin DIP Package LNK623PG

Power Integrations LNK623PG is a highly integrated LinkSwitch-CV series AC/DC converter designed for efficient off-line switching power conversion. This device operates at a switching frequency of 100 kHz, providing a regulated 5V DC output at up to 1.2 A output current. The compact 7-pin DIP package supports through-hole mounting on printed circuit boards.

Featuring a maximum input voltage of 265V AC and a minimum input voltage of 85V AC, this converter is suitable for a wide range of power supplies. It supports accurate primary-side constant-voltage control, eliminating the need for opto-couplers and secondary voltage control circuits, simplifying design and reducing component count.

The device includes internal advanced features such as frequency jittering to greatly reduce EMI filter costs, auto-restart protection that reduces delivered power by over 95% during output short-circuits, and hysteretic thermal shutdown that provides automatic recovery. The converter operates over a wide temperature range from -40°C to 150°C, making it robust for industrial and commercial applications.

This LinkSwitch-CV series device uses a 725V power MOSFET with on/off control state machine and self-biasing function, which removes the need for an additional bias winding supply. Its flyback topology with a maximum duty cycle of 54% allows efficient power delivery in continuous or discontinuous conduction modes, providing design flexibility.

The LNK623PG complies with high voltage creepage spacing requirements between the drain and other pins, providing safety and reliability in compact designs. Typical applications include power management for home electronics, industrial control systems, and other low power constant voltage supply needs.

The converter delivers stable 5V DC output voltage with a max current of 1.2 A. Compact 7-pin DIP package supports through-hole mount designs. Integrated thermal protection and auto-restart enhance reliability. Eliminates need for opto-coupler and secondary control circuits.

Frequency jittering reduces EMI filter requirements and cost. Wide operating temperature ensures robust performance under harsh conditions. Explore more reliable AC/DC Converters from Power Integrations at EnvMart for your industrial and electronic component needs.