Power Integrations Introduces LYTSwitch-1 LED Driver IC to Reduce Bulb, Tube and Ballast Design within 22 W

San Jose, California, June 8, 2016 News – Power IntegraTIons, Inc. (Nasdaq: POWI), a world leader in high-efficiency, high-reliability LED driver ICs, today introduced the LYTSwitchTM-1 single-stage, non-isolated buck LED driver IC family. The IC body is compact and can realize LED bulb and tube design with high constant current accuracy, and the number of components used is very small. Innovative driver algorithms guarantee high power factor (PF) and low total harmonic distortion (THD) while maintaining extremely high efficiency.

The LYTSwitch-1 IC is available in a compact SO-8 package with efficiencies above 93% and PF greater than 0.9 and THD as low as 15%. The device can be used in low-side buck topologies to reduce EMI or can be used in high-side buck topologies to simplify design. This universal input (100 - 308 VAC) IC delivers up to 22 W of output without a heat sink and integrates a 725 V MOSFET for high reliability. Because the device uses a unique peak current control algorithm, designers can use small, commercially available inductors directly. The new device meets all applicable international standards, including DOE 6 (external power supply), CEC standards 20 and 24, ENERGY STAR® SSL, EN61000-3-2 (C), and related standards in China and India.

Hubie Notohamiprodjo, Director of Product Marketing at Power IntegraTIons, said: "Low system complexity and high performance make the LYTSwitch-1 IC ideal for commercial and residential lighting applications. These LED driver ICs are ideal for applications due to the very small number of components used and their small size. In some space-constrained environments, such as tube ends, small size candle lights and GU10 bulbs, and low-cost A19 and incandescent decorative lights."

Like all Power IntegraTIons products, the LYTSwitch-1 LED driver IC features complete protection features including thermal foldback for immediate shutdown, short circuit protection, input and output overvoltage protection (OVP), overcurrent protection, and a safe operating area (SOA) )protection.

The LYTSwitch-1 IC sample is now available for ordering. The unit is priced at $0.26 each in 10,000-piece quantities.

The reference design DER-548 is now available for download from the Power IntegraTIons website: https://

About Power Integrations

Power Integrations, Inc. is a leading innovator in semiconductor technology for high voltage power conversion. The company's products are a key component of the clean energy ecosystem, enabling efficient energy generation and efficient transmission and consumption of electricity in milliwatt-to-megawatt applications. For more information, please visit the website.

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