The PM6675S is a high efficiency step-down controller with embedded 2 A LDO regulator.
The PM6675S is a high-efficiency step-down controller integrated with an independent Low Drop-Out (LDO) linear regulator. The device utilizes a Constant On-Time (COT) architecture to ensure fast transient response and supports both electrolytic and ceramic output capacitors. It includes an embedded integrator control loop to compensate for DC voltage error due to output ripple.
| Input voltage range | 4.5 V to 28 V |
|---|---|
| Output voltage range (Switching) | 0.6 V to 3.3 V |
| Output voltage range (LDO) | 0.6 V to 3.3 V |
| LDO Current limit | Up to 2 A |
| Switching frequency (No-Audible mode) | 33 kHz |
| Thermal resistance (junction to ambient) | 42 °C/W |
| Operating ambient temperature | -40 to 85 °C |
The input voltage range is 4.5 V to 28 V.
Yes, the device supports ceramic output capacitors for both the switching and LDO sections.
The LDO section allows selection of +1 A or +2 A current limits.