Power Integrations Link Switch 80 A 8-Pin SO-8C Power Management IC 70V, 10W, Flyback Topology LNK3312D-TL

Power Integrations LNK3312D-TL is a high-performance link switch IC designed to provide efficient power conversion in electronic circuits. This device integrates a 725 V power MOSFET, oscillator, and protection features onto a single monolithic IC, simplifying power supply design for flyback topology applications. The IC supports a maximum input voltage of 70 V and delivers output power of up to 10 W, making it suitable for a variety of low power AC-DC converter scenarios.

Operating at a high switching frequency of 66 kHz with frequency jittering, the LNK3312D-TL reduces electromagnetic interference (EMI) and minimizes the need for complex filtering components. Its low supply current of 180 μA contributes to reduced power consumption during standby and idle states, improving overall energy efficiency.

The device includes built-in hysteretic thermal shutdown and input/output overvoltage protection circuitry to ensure robust performance and system safety under thermal stress or voltage anomalies. It operates reliably over a wide temperature range from -40°C to 150°C, supporting harsh industrial environments.

Encased in a compact SO-8C surface mount package with 8 pins, this power management IC features physical dimensions of 4.9 mm length, 3.9 mm height, and 1.75 mm width, making it suitable for densely packed electronic assemblies.

Typical applications for the LNK3312D-TL include power supplies for consumer electronics, industrial controls, and communication equipment where precise power conversion and efficient energy usage are critical. Its compatibility with flyback topology and support for maximum duty cycle of 0.69% ensure reliable switch mode power supply operation.

Incorporates 725 V power MOSFET and oscillator for integrated switch design. High switching frequency with jittering for reduced EMI. Hysteretic thermal shutdown and overvoltage protection. Wide operating temperature range from -40°C to 150°C.

Compact SO-8C surface mount package with 8 pins. Maximum input voltage of 70 V and output power of 10 W. Low supply current of 180 μA for energy-efficient standby operation. Supports flyback topology with up to 0.69% duty cycle.

RoHS compliant for environmental safety. Suitable for industrial, commercial, and electronic power management systems. Explore the Power Management IC category on EnvMart for more state-of-the-art components designed to meet demanding industrial power conversion needs.