1.22V fixed output, positive polarity, surface mount linear voltage regulator with 550mA maximum output current. Features ultra-low dropout, low noise, and compatibility with low ESR capacitors. Operates from 2.5V to 6V input voltage with a typical quiescent current of 150µA and 85µA input bias current. Accuracy is 4%, with a power supply rejection ratio of 50dB. Packaged in a SOT-23 case, this RoHS compliant component is supplied on tape and reel.
PackageSOT-23
MountingSurface Mount
PolarityPositive
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Technical Specifications
Stmicroelectronics LD3985M122R technical specifications.
General
| Accuracy | 4% |
| Package/Case | SOT-23 |
| Height | 1.3mm |
| Input Bias Current | 85uA |
| Length | 3mm |
| Min Current Limit | 300mA |
| Max Input Voltage | 6V |
| Min Input Voltage | 2.5V |
| Max Operating Temperature | 125°C |
| Min Operating Temperature | -40°C |
| Max Output Current | 550mA |
| Min Output Voltage | 1.22V |
| Max Supply Current | 250uA |
| Mount | Surface Mount |
| Number of Outputs | 1 |
| Number of Regulators | 1 |
| Output Configuration | Positive |
| Output Current | 150mA |
| Output Type | Fixed |
| Output Voltage | 1.22V |
| Package Quantity | 1 |
| Packaging | Tape and Reel |
| Polarity | Positive |
| Power Supply Rejection Ratio (PSRR) | 50dB |
| Quiescent Current | 150uA |
| RoHS Compliant | Yes |
| Width | 1.75mm |
Compliance
| RoHS | Compliant |
Datasheet
Stmicroelectronics LD3985M122R Datasheet
Download the complete datasheet for Stmicroelectronics LD3985M122R to view detailed technical specifications.
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