Power Integrations AC/DC Converter 1.2kV Input Voltage Flyback Topology Surface Mount 24-Pin InSOP-24D INN3949CQ-TL

Power Integrations INN3949CQ-TL AC/DC Converter is a highly efficient and compact power switch IC designed for isolated flyback power converters. It supports a broad input voltage range extending from 40 VDC up to 1.2 kV, capable of delivering a regulated output voltage up to 24 V with precise control via its integrated primary and secondary controllers. Packaged in a surface mount InSOP-24D form factor with 24 pins, this device simplifies power converter design and manufacturing, particularly in demanding industrial and automotive applications.

The converter employs a flyback topology with a fixed switching frequency of 95kHz, enabling up to 90% efficiency across its full load range. It includes sophisticated protection mechanisms such as line over and under voltage, output overvoltage, overcurrent limiting, and thermal shutdown, enhancing reliability and operational safety. Its wide operating temperature range from -40°C to 150°C ensures suitability for harsh environmental conditions.

This product complies with internationally recognized standards including CQC (GB4943.1), TUV (EN62368), EN61000-4 suite (4-2 to 4-9), VDE 0884-17 (EN IEC 60747-17), and UL1577, underscoring its quality and safety credentials. Though not automotive standard qualified, its robust design facilitates various industrial power management applications.

Key uses include applications in power management IC systems for industrial electronics, telecommunications, and automotive power conversion tasks requiring compact, reliable AC/DC conversion with enhanced efficiency and precision.

Supports wide input voltage range from 40V to 1.2kV. Maximum output voltage of 24V with minimum output of 5V. Includes integrated primary and secondary controllers with safety-rated feedback. Multiple protective functions enhance device and system reliability.

High efficiency up to 90% at full load conditions. Low standby power consumption less than 15 mW. Wide operating temperature range from -40°C to 150°C. Surface mount InSOP-24D packaging with 24 pins. Certified to international safety and electromagnetic standards.

Choose this Power Integrations INN3949CQ-TL AC/DC Converter for applications demanding precise, efficient, and reliable power conversion solutions. Explore more electronics and power management products from EnvMart for your industrial and commercial needs.