AN2938 Application note introduces the demonstration kit based on the PM6686 dual step-down controller with adjustable output voltages and adjustable LDO for notebook power systems.
The document provides an overview of a demonstration kit based on the PM6686 dual step-down controller. This kit allows users to test all functions of the chip, including two switching sections with adjustable outputs (5V and 3.3V) from an input range of 8V to 28V, as well as an internal linear regulator and charge pump circuit.
| Input voltage range | 5.5 V to 28 V |
|---|---|
| OUT1 output current | > 8 A |
| Switching frequency | 400 kHz / 300 kHz |
| LDO output current | 100 mA peak |
The kit supports an input battery voltage ranging from 8 V to 28 V.
The kit provides a 5 V output for OUT1 and a 3.3 V output for OUT2.
Yes, it includes an internal linear regulator that can provide up to 5 V at 100 mA peak current.