Analog Devices LT3991EMSE-5#PBF
MPNLT3991EMSE-5#PBF
End of Life
IC REG BUCK 5V 1.2A 10MSOP
$10.75716Price · pay online now
$10.76 / ea
2 in stock — maximum per order · 3–4 days lead time
Packaging10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad
RoHSROHS3 Compliant
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Sep 2026
Specifications
| Parameter | Value |
|---|---|
| Output type | Fixed |
| Mounting | Surface Mount |
| Voltage - input | 4.3V |
| Voltage - output (Min (Fixed)) | 5V |
| Output current | 1.2A |
| Frequency - switching | 200kHz ~ 2MHz |
| I/O channels | 1 |
| Operating temperature | -40°C ~ 125°C (TJ) |
| Package | Tube |
| Function | Step-Down |
| Topology | Buck |
| Case | 10-TFSOP, 10-MSOP (0.118\", 3.00mm Width) Exposed Pad |
| Output configuration | Positive |
| Synchronous rectifier | No |