3A DC step-down switching regulator, featuring a 1.9MHz switching frequency and synchronous rectification. This surface mount device offers an adjustable output voltage from 800mV to 5.5V, with a maximum output current of 3A. Operating within a 2.8V to 5.5V input voltage range, it is housed in a compact SO package (5mm L x 4mm W x 1.25mm H) and supports a wide temperature range of -40°C to 150°C. The component is RoHS compliant and lead-free.
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Stmicroelectronics ST1S31D-R technical specifications.
| Package/Case | SO |
| Height | 1.25mm |
| Lead Free | Lead Free |
| Length | 5mm |
| Max Input Voltage | 5.5V |
| Min Input Voltage | 2.8V |
| Max Operating Temperature | 150°C |
| Min Operating Temperature | -40°C |
| Max Output Current | 3A |
| Max Output Voltage | 5.5V |
| Min Output Voltage | 800mV |
| Mount | Surface Mount |
| Number of Outputs | 1 |
| Output Configuration | Positive |
| Output Current | 3A |
| Output Type | Adjustable |
| Output Voltage | 5.5V |
| Package Quantity | 1 |
| Packaging | Tape and Reel |
| Radiation Hardening | No |
| Reach SVHC Compliant | No |
| RoHS Compliant | Yes |
| Series | ST1S31 |
| Switching Frequency-Max | 1.9MHz |
| Synchronous Rectifier | Yes |
| Width | 4mm |
| RoHS | Compliant |
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