STMicroelectronics
STMicroelectronics ST1PS03A1QTR, Step-Down Buck, 400 mA output, 1.8V to 5.5V input, Selectable output, Synchronous Rectifier, -40°C to 125°C, 12-TQFN (1.7x2) package, Surface Mount, ROHS3.
MOQ 1 · Tape & Reel (TR); Cut Tape (CT) · RoHS · EIA-481 · DAP/DDP · T/T
| Parameter / Attribute | Specification / Value |
|---|---|
| Output type | Selectable |
| Mounting | Surface Mount |
| Voltage - input | 5.5V |
| Voltage - output | 3.3V |
| Voltage - output (Min (Fixed)) | 1.6V |
| Output current | 400mA |
| I/O channels | 1 |
| Operating temperature | -40°C ~ 125°C (TJ) |
| Package | Tape & Reel (TR); Cut Tape (CT) |
| Function | Step-Down |
| Topology | Buck |
| Case | 12-UFQFN |
| Output configuration | Positive |
| Synchronous rectifier | Yes |
The 12-TQFN with a 1.7x2 mm body is a fine-pitch, no-lead package. The exposed pad must be soldered to a copper plane on the PCB to carry the heat from the 400 mA output at high step-down ratios. The supplier device package is listed as 12-TQFN (1.7x2).
The ST1PS03A1QTR carries an Active lifecycle status with ROHS3 compliance.
