The document describes the STEVAL-ISA052V1 demonstration board based on the PM6675S, which includes a high-efficiency step-down controller and an independent low-dropout (LDO) linear regulator. The controller features a 4.5V to 28V input voltage range, 0.6V fixed output voltage, and 0.6V to 3.3V adjustable output voltage. It also has fast load transient response, no-resistor current sensing, selectable pulse-skipping mode, and other characteristics.
The STEVAL-ISA052V1 is a demonstration board based on the PM6675S device, which integrates a single high-efficiency step-down controller and an independent low drop-out (LDO) linear regulator. The board supports an input voltage range of 4.5 V to 28 V and features a selectable output voltage of either 1.5 V fixed or adjustable between 0.6 V and 3.3 V.
| Input voltage range | 4.5 V to 28 V |
|---|---|
| Voltage reference | 0.6 V, +1 % |
| Fixed output voltage | 1.5 V |
| Adjustable output voltage | 0.6 V to 3.3 V |
| LDO current capability | 2 A |
| Switching frequency (low-noise mode) | 33 kHz |
It is based on the PM6675S device, which consists of a single high efficiency step-down controller and an independent LDO linear regulator.
The input voltage range is from 4.5 V to 28 V.