Power Integrations AC/DC Converter 24V, 5 V Output, 24-Pin Surface Mount Package InSOP-24D INN3977CQ-TL

Power Integrations INN3977CQ-TL is an advanced AC/DC converter IC designed for isolated flyback power conversion with integration of both primary and secondary control circuits and safety rated feedback. It operates efficiently with an input voltage range from 40V up to 520V, providing a regulated 24V maximum output voltage and a minimum output voltage of 5V, suitable for demanding power management applications.

Featuring a 24-pin InSOP-24D surface mount package, this device supports switching frequency of 95 kHz using a flyback topology, optimized for energy-efficient power conversion achieving up to 90% efficiency even under full load conditions. It exhibits extremely low no-load power consumption below 15 mW, enhancing eco-friendly operation.

The device is designed for harsh operating environments with a temperature rating from -40°C to 150°C and includes multiple protection mechanisms such as line over and under voltage protection, overvoltage and overcurrent limiting, as well as thermal shutdown to ensure reliable performance and safety.

This AC/DC converter IC is certified to comply with stringent industry standards including TUV (EN62368), VDE 0884-17 (EN IEC 60747-17), UL1577, EN61000-4 series (electromagnetic compatibility), and CQC (GB4943.1), ensuring global safety and quality assurances.

Its compact footprint on the PCB using the InSOP-24D package facilitates integration in industrial, automotive, electronics manufacturing, and power management designs. This converter is ideal for applications requiring isolated, high efficiency power supplies with reliable voltage regulation and protective functionality.

This AC/DC converter supports a maximum input voltage of 520V and minimum input voltage of 40V. Switching frequency is 95 kHz, enabling high efficiency flyback topology operation. Operating temperature range from -40°C to 150°C suits industrial and automotive environments.

Incorporates advanced protection features including overvoltage, overcurrent, and over-temperature shutdown. Low no-load power consumption under 15 mW ensures energy efficiency. The compact InSOP-24D package with 24 pins allows easy surface mounting on PCBs.

Meets multiple global safety and quality standards including TUV, VDE, UL, and CQC.

Perfect for use in industrial controls, automotive power supplies, consumer electronics, and any system needing safe, efficient AC to DC voltage conversion. Explore related Power Management ICs and AC/DC Converter solutions on EnvMart for your electronics manufacturing needs.