ST AN2816 Application note handbook

Update: 28 September, 2023

The PM6675S device is a high-efficiency step-down controller with an embedded 2 A LDO linear regulator. The constant on-time (COT) architecture assures fast transient response supporting both electrolytic and ceramic output capacitors. An embedded integrator control loop compensates the DC voltage error due to the output ripple. Selectable low-consumption mode allows the highest efficiency over a wide range of load conditions. The low-noise mode sets the minimum switching frequency to 33 kHz for audio-sensitive applications. The LDO linear regulator can sink and source up to 2 Apk. Two fixed current limits (±1 A and ±2 A) can be chosen. An active soft-end is independently performed on both the switching and the linear regulators outputs when disabled.


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Publication date: 06 August, 2012

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PDF Link: ST AN2816 Application note handbook PDF

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