STMicroelectronics ST1PS02AQTR, Synchronous Step-Down Buck Regulator, 400 mA, 2 MHz, Adjustable Output 1.4V to 1.75V, 1.8V to 5.5V Input, 12-UFQFN, -40 to 85°C.
| Parameter | Value |
|---|---|
| Output type | Adjustable |
| Mounting | Surface Mount |
| Voltage - input | 5.5V |
| Voltage - output | 1.75V |
| Voltage - output (Min (Fixed)) | 1.4V |
| Output current | 400mA |
| Frequency - switching | 2MHz |
| I/O channels | 1 |
| Operating temperature | -40°C ~ 85°C (TA) |
| Package | Tape & Reel (TR); Cut Tape (CT) |
| Function | Step-Down |
| Topology | Buck |
| Case | 12-UFQFN |
| Output configuration | Positive |
| Synchronous rectifier | Yes |
The STMicroelectronics ST1PS02AQTR is a synchronous step-down (buck) switching regulator delivering up to 400 mA from an input range of 1.8 V to 5.5 V.
This part comes in a 12-UFQFN package (supplier device package 12-TQFN, 1.7 mm x 2 mm).
No. The adjustable output range is 1.4 V to 1.75 V, so it does not support output voltages below 1 V.
Yes. The 400 mA output, 1.8 V to 5.5 V input range (covers single Li-ion), synchronous rectifier, and small 12-UFQFN package make it well-suited for battery-powered IoT sensor nodes and wearables.