Rugged new ICs enable excellent no-load performance and are ideal for low-power applications including appliances, IoT, metering and industrial bias power.
Power Integrations (Nasdaq: POWI), the leader in high-voltage integrated circuits for energy-efficient power conversion, today introduced its LinkSwitch™-XT2 family of offline, low-power converter ICs offering high accuracy, high efficiency and excellent no-load performance. LinkSwitch–XT2 ICs target isolated and non-isolated flyback applications in which accurate regulation of output voltage and current are important. The new ICs can deliver up to 6.1 watts in wide-input range designs, and up to 9.2 watts for 230 VAC open-frame applications.
Designed for flyback topologies, the LinkSwitch-XT2 family delivers designs that exhibit current and voltage regulation of better than -/+ 3% and typical efficiency above 80%. LinkSwitch–XT2 ICs consume less than 10 mW in no-load conditions. High (132 kHz) operating frequency enables the use of small power transformers, while the programmable current limit (ILIM) function enables further transformer optimization.
LinkSwitch–XT2 converters combine a 725 V power MOSFET with control circuitry on a single silicon die. Integrated safety and reliability features include input overvoltage protection, hysteretic thermal shutdown for over-temperature protection, and auto-restart for output short-circuit, overvoltage and open-loop protection.
Comments senior product marketing manager Silvestro Fimiani: “The accuracy, small size, efficiency and excellent no-load performance of LinkSwitch-XT2 ICs makes them ideal for small appliances such as microwave ovens, IoT applications, utility meters, industrial and smart-home installations.”
LinkSwitch–XT2 ICs come in three packages: P-package (DIP-8C), D-package (SO-8C), and G-package (SMD-8C) and are priced at $0.40 in 10,000-piece quantities. More information, including reference design DER-578, which details a 5 V 500 mA power supply, is available from the Power Integrations website at www.power.com/products/linkswitch-xt2/.
About Power Integrations
Power Integrations, Inc. is a leading innovator in semiconductor technologies for high-voltage power conversion. The company’s products are key building blocks in the clean-power ecosystem, enabling the generation of renewable energy as well as the efficient transmission and consumption of power in applications ranging from milliwatts to megawatts. For more information please visit www.power.com.