Diodes Inc boosts light load efficiency with DC/DC converter


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Achieves as high as 96% energy efficiency for 200mA light load

Diodes Inc AP65200 synchronous Dc-DC buck converter

Designed to help meet energy efficiency standards under light load and standby conditions, the AP65200 synchronous DC-DC buck converter from Diodes Incorporated achieves efficiency as high as 96% for a light load of 200mA and maintains efficiency above 70% down to 20mA. Its high level of integration and minimal external component count suits distributed power architectures in consumer electronics products, including TVs, monitors and set-top boxes. Offering an input voltage range from 4.75V to 18V, the AP65200 provides a single device solution for both 5V and 12V bus systems, and delivers up to 2A continuous output current with a 3A peak. Using a simple external resistor divider, the converter output voltage can be set from as low as 0.925V up to a maximum of 16V. With its integrated low on-resistance high- and low-side MOSFETs, the SO-8 packaged AP65200 helps reduce board space and optimizes trace layouts. In addition, externally programmable soft-start and on-chip over-current and thermal shutdown protection features ensure system stability and long-term reliability. The AP65200 synchronous DC-DC buck converter from Diodes Incorporated is priced at US$0.35 each in 10k unit quantities. Diodes Incorporated