PM6686 Dual step-down controller with adjustable voltages, adjustable LDO and auxiliary charge pump controller for notebook Features ■ 5.
5 V to 28 V input voltage range ■ Dual fixed OUT1 = 1.
5 V/5 V and OUT2 = 1.
05 V / 3.
3 V outputs or adjustable OUT1 = 0.
7 V to 5.
5 V and OUT2 = 0.
7 V to 2.
5 V outputs, ± 1.
5% accuracy over valley regulation ■ Low-side MOSFETs' RDS(on) current sensing and programmable current limit ■ Constant ON-time control ■ Frequency selectable ■ Soft-start internally fixed at 2 ms and soft-stop ■ Selectable pulse skipping at light loads ■ Selectable minimum frequency (33 kHz) in pulse skip mode ■ Independent Power Good and EN signals ■ Latched OVP and UVP ■ Charge pump ...

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