| PartNumber | ST1PS01DJR | ST1PS01EJR | ST1PS01AJR |
| Description | Switching Voltage Regulators 400mA Nano-Quiescent Synchronous step-down converter with digital voltage selection and power good | Switching Voltage Regulators POWER MANAGEMENT | Switching Voltage Regulators 400mA Nano-Quiescent Synchronous step-down converter with digital voltage selection and power good |
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Category | Switching Voltage Regulators | Switching Voltage Regulators | Switching Voltage Regulators |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | FlipChip-8 | FlipChip-8 | FlipChip-8 |
| Output Voltage | 1.8 V, 2.3 V, 2.5 V, 2.8 V | 1.8 V, 2.7 V, 3 V, 3.3 V | 1.9 V, 2 V, 2.1 V, 2.8 V |
| Output Current | 400 mA | 400 mA | 400 mA |
| Number of Outputs | 1 Output | 1 Output | 1 Output |
| Input Voltage MAX | 5.5 V | 5.5 V | 5.5 V |
| Topology | Buck | Buck | Buck |
| Input Voltage MIN | 1.8 V | 1.8 V | 1.8 V |
| Switching Frequency | 2 MHz | 2 MHz | 2 MHz |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Series | ST1PS01 | ST1PS01 | ST1PS01 |
| Packaging | Reel | Reel | Reel |
| Input Voltage | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
| Quiescent Current | 500 nA | 500 nA | 500 nA |
| Type | Nano-Quiescent | Nano-Quiescent | Nano-Quiescent |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Shutdown | No Shutdown | No Shutdown | No Shutdown |
| Product Type | Switching Voltage Regulators | Switching Voltage Regulators | Switching Voltage Regulators |
| Factory Pack Quantity | 5000 | 5000 | 5000 |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | PMIC - Power Management ICs |
| Supply Voltage Min | 1.8 V | 1.8 V | 1.8 V |