PM6686
PM6686 is Dual step-down controller manufactured by STMicroelectronics.
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 k Hz) in pulse skip mode
- Independent Power Good and EN signals
- Latched OVP and UVP
- Charge pump feedback
- Fixed 3.3 V/5.0 V, or adjustable output 0.7 V to 4.5 V, ± 1.5% (LDO): 200 m A
- 3.3 V reference voltage ± 2.0%: 5 m A
- 2.0 V reference voltage ± 1.0%: 50 µA
Applications
- Notebook puters
- Main (3.3 V/5 V), chipset (1.5 V/1.05 V),
DDR1/2/3,...
