Synchronous step-down DC-DC controller with adjustable output voltage from 1.19V to 30V and a maximum output current of 1.2A. Input voltage range spans from 4.3V to 55V. Features a 10-pin MSOP EP package with exposed pad, surface mountable on a 10-pin PCB. Operating temperature range is -40°C to 125°C.
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Analog Devices LT3991EMSE#PBF technical specifications.
| Basic Package Type | Lead-Frame SMT |
| Package Family Name | SOP |
| Package/Case | MSOP EP |
| Package Description | Micro Small Outline Package, Exposed Pad |
| Lead Shape | Gull-wing |
| Pin Count | 10 |
| PCB | 10 |
| Package Length (mm) | 3 |
| Package Width (mm) | 3 |
| Package Height (mm) | 0.86 |
| Seated Plane Height (mm) | 1.1(Max) |
| Pin Pitch (mm) | 0.5 |
| Package Material | Plastic |
| Mounting | Surface Mount |
| Jedec | MO-187BA-T |
| Type | Synchronous Step Down |
| Number of Outputs | 1 |
| Output Type | Adjustable |
| Output Voltage | 1.19 to 30V |
| Maximum Output Current | 1.2A |
| Minimum Input Voltage | 4.3V |
| Maximum Input Voltage | 55V |
| Switching Regulator | Yes |
| Line Regulation | 0.01%/V |
| Min Operating Temperature | -40°C |
| Max Operating Temperature | 125°C |
| Cage Code | 24355 |
| EU RoHS | Yes |
| HTS Code | 8542390001 |
| Schedule B | 8542390000 |
| ECCN | EAR99 |
| Automotive | Yes |
| AEC Qualified | No |
| PPAP | No |
| Radiation Hardening | No |
| RoHS Versions | 2011/65/EU, 2015/863 |
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