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| ![UM1550Y-45 UM1550Y-45](https://oss.origin-ic.net/productThumbImages/MFG_UM1550B-14_tmb.jpg) | 8V Input Ultra Low Quiescent Cur | | 联系我们 | PCB Symbol, Footprint & 3D Model | Surface Mount | -40°C ~ 125°C (TJ) | - | 300mA | TO-243AA | SOT-89-3 | - | Positive | Fixed | 8V | 4.5V | - | 1 | 0.3V @ 200mA | 3.5 µA | Over Current, Over Temperature | - | 56dB ~ 42dB (100Hz ~ 1kHz) | - | UM1550 |
| ![UM1550Y-50 UM1550Y-50](https://oss.origin-ic.net/productThumbImages/MFG_UM1550B-14_tmb.jpg) | 8V Input Ultra Low Quiescent Cur | | 联系我们 | PCB Symbol, Footprint & 3D Model | Surface Mount | -40°C ~ 125°C (TJ) | - | 300mA | TO-243AA | SOT-89-3 | - | Positive | Fixed | 8V | 5V | - | 1 | 0.3V @ 200mA | 3.5 µA | Over Current, Over Temperature | - | 56dB ~ 42dB (100Hz ~ 1kHz) | - | UM1550 |
| ![UM1550Y-18 UM1550Y-18](https://oss.origin-ic.net/productThumbImages/MFG_UM1550B-14_tmb.jpg) | 8V Input Ultra Low Quiescent Cur | | 联系我们 | PCB Symbol, Footprint & 3D Model | Surface Mount | -40°C ~ 125°C (TJ) | - | 300mA | TO-243AA | SOT-89-3 | - | Positive | Fixed | 8V | 1.8V | - | 1 | 0.3V @ 200mA | 3.5 µA | Over Current, Over Temperature | - | 56dB ~ 42dB (100Hz ~ 1kHz) | - | UM1550 |
| ![UM1550S-28 UM1550S-28](https://oss.origin-ic.net/productThumbImages/MFG_UM1450S-30_tmb.jpg) | 8V Input Ultra Low Quiescent Cur | | 联系我们 | PCB Symbol, Footprint & 3D Model | Surface Mount | -40°C ~ 125°C (TJ) | - | 300mA | TO-236-3, SC-59, SOT-23-3 | SOT-23-3 | - | Positive | Fixed | 8V | 2.8V | - | 1 | 0.3V @ 200mA | 3.5 µA | Over Current, Over Temperature | - | 56dB ~ 42dB (100Hz ~ 1kHz) | - | UM1550 |