Union Semiconductor (HK) Limited UM1550S-18
MPNUM1550S-18
Active
5V Input Ultra Low IQ LDO
$0.17916Price · pay online now
$0.18 / ea · total $0.90
895 in stock — maximum per order · MOQ 5 · 3–4 days lead time
$0.16 / ea from 50 pcs
PackagingTO-236-3, SC-59, SOT-23-3
RoHSRoHS Compliant
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Sep 2026
Specifications
| Parameter | Value |
|---|---|
| Output type | Fixed |
| Mounting | Surface Mount |
| Voltage - input | 8V |
| Voltage dropout | 0.3V @ 200mA |
| Voltage - output (Min (Fixed)) | 1.8V |
| Output current | 300mA |
| Current - quiescent | 3.5 µA |
| Operating temperature | -40°C ~ 125°C (TJ) |
| PSRR | 56dB ~ 42dB (100Hz ~ 1kHz) |
| Package | Tape & Reel (TR) |
| Case | TO-236-3, SC-59, SOT-23-3 |
| Protection features | Over Current, Over Temperature |
| Number of regulators | 1 |
| Output configuration | Positive |