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AP65200 DC-DC buck converter enhances light load efficiency

Posted: 21 Jan 2013 ?? ?Print Version ?Bookmark and Share

Keywords:synchronus DC-DC buck converter? consumer electronics products? MOSFETs? thermal shutdown protection? standby conditions?

Analog semiconductor manufacturer Diodes Inc. has recently unveiled the AP65200 synchronus DC-DC buck converter. The company's latest product is designed to help meet energy standards under light load and standby conditions. It achieves efficiency as high as 96 percent for a light load of 200mA and maintains above 70 percent down to 20mA. The device has been designed to suit distributed power architectures in consumer electronics products such as 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 optimises 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.

Further information can be found at

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