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| ![UM1540S-33 UM1540S-33](https://oss.origin-ic.net/productThumbImages/MFG_UM1460SR-25_tmb.jpg) | 5V Input, Low Quiescent Current | | 联系我们 | PCB Symbol, Footprint & 3D Model | Surface Mount | SC-74A, SOT-753 | SOT-23-5 | -40°C ~ 125°C (TJ) | - | 300mA | - | Positive | Fixed | 6V | 3.3V | 1.5 µA | 1 | 0.33V @ 200mA | Enable | Over Current, Over Temperature | - | 56dB ~ 42dB (100Hz ~ 1kHz) | - | UM1540 |
| ![UM1540S-18 UM1540S-18](https://oss.origin-ic.net/productThumbImages/MFG_UM1460SR-25_tmb.jpg) | 5V Input, Low Quiescent Current | | 联系我们 | PCB Symbol, Footprint & 3D Model | Surface Mount | SC-74A, SOT-753 | SOT-23-5 | -40°C ~ 125°C (TJ) | - | 300mA | - | Positive | Fixed | 6V | 1.8V | 1.5 µA | 1 | 0.33V @ 200mA | Enable | Over Current, Over Temperature | - | 56dB ~ 42dB (100Hz ~ 1kHz) | - | UM1540 |
| ![UM1540S-30 UM1540S-30](https://oss.origin-ic.net/productThumbImages/MFG_UM1460SR-25_tmb.jpg) | 5V Input, Low Quiescent Current | | 联系我们 | PCB Symbol, Footprint & 3D Model | Surface Mount | SC-74A, SOT-753 | SOT-23-5 | -40°C ~ 125°C (TJ) | - | 300mA | - | Positive | Fixed | 6V | 3V | 1.5 µA | 1 | 0.33V @ 200mA | Enable | Over Current, Over Temperature | - | 56dB ~ 42dB (100Hz ~ 1kHz) | - | UM1540 |
| ![UM1540S-28 UM1540S-28](https://oss.origin-ic.net/productThumbImages/MFG_UM1460SR-25_tmb.jpg) | 5V Input, Low Quiescent Current | | 联系我们 | PCB Symbol, Footprint & 3D Model | Surface Mount | SC-74A, SOT-753 | SOT-23-5 | -40°C ~ 125°C (TJ) | - | 300mA | - | Positive | Fixed | 6V | 2.8V | 1.5 µA | 1 | 0.33V @ 200mA | Enable | Over Current, Over Temperature | - | 56dB ~ 42dB (100Hz ~ 1kHz) | - | UM1540 |
| ![UM1540DB-18 UM1540DB-18](https://oss.origin-ic.net/productThumbImages/MFG_UM1530DB-40_tmb.jpg) | 5V Input, Low Quiescent Current | | 联系我们 | PCB Symbol, Footprint & 3D Model | Surface Mount | 4-XDFN Exposed Pad | 4-DFN (1x1) | -40°C ~ 125°C (TJ) | - | 300mA | - | Positive | Fixed | 6V | 1.8V | 1.5 µA | 1 | 0.33V @ 200mA | Enable | Over Current, Over Temperature | - | 56dB ~ 42dB (100Hz ~ 1kHz) | - | UM1540 |
| ![UM1540DB-28 UM1540DB-28](https://oss.origin-ic.net/productThumbImages/MFG_UM1530DB-40_tmb.jpg) | 5V Input, Low Quiescent Current | | 联系我们 | PCB Symbol, Footprint & 3D Model | Surface Mount | 4-XDFN Exposed Pad | 4-DFN (1x1) | -40°C ~ 125°C (TJ) | - | 300mA | - | Positive | Fixed | 6V | 2.8V | 1.5 µA | 1 | 0.33V @ 200mA | Enable | Over Current, Over Temperature | - | 56dB ~ 42dB (100Hz ~ 1kHz) | - | UM1540 |
| ![UM1540DA-30 UM1540DA-30](https://oss.origin-ic.net/productThumbImages/MFG_UM1530DA-43_tmb.jpg) | 5V Input, Low Quiescent Current | | 联系我们 | PCB Symbol, Footprint & 3D Model | Surface Mount | 6-WDFN Exposed Pad | 6-DFN (2x2) | -40°C ~ 125°C (TJ) | - | 300mA | - | Positive | Fixed | 6V | 3V | 1.5 µA | 1 | 0.33V @ 200mA | Enable | Over Current, Over Temperature | - | 56dB ~ 42dB (100Hz ~ 1kHz) | - | UM1540 |
| ![UM1540DB-33 UM1540DB-33](https://oss.origin-ic.net/productThumbImages/MFG_UM1530DB-40_tmb.jpg) | 5V Input, Low Quiescent Current | | 联系我们 | PCB Symbol, Footprint & 3D Model | Surface Mount | 4-XDFN Exposed Pad | 4-DFN (1x1) | -40°C ~ 125°C (TJ) | - | 300mA | - | Positive | Fixed | 6V | 3.3V | 1.5 µA | 1 | 0.33V @ 200mA | Enable | Over Current, Over Temperature | - | 56dB ~ 42dB (100Hz ~ 1kHz) | - | UM1540 |
| ![UM1540DB-30 UM1540DB-30](https://oss.origin-ic.net/productThumbImages/MFG_UM1530DB-40_tmb.jpg) | 5V Input, Low Quiescent Current | | 联系我们 | PCB Symbol, Footprint & 3D Model | Surface Mount | 4-XDFN Exposed Pad | 4-DFN (1x1) | -40°C ~ 125°C (TJ) | - | 300mA | - | Positive | Fixed | 6V | 3V | 1.5 µA | 1 | 0.33V @ 200mA | Enable | Over Current, Over Temperature | - | 56dB ~ 42dB (100Hz ~ 1kHz) | - | UM1540 |
| ![UM1540DA-33 UM1540DA-33](https://oss.origin-ic.net/productThumbImages/MFG_UM1530DA-43_tmb.jpg) | 5V Input, Low Quiescent Current | | 联系我们 | PCB Symbol, Footprint & 3D Model | Surface Mount | 6-WDFN Exposed Pad | 6-DFN (2x2) | -40°C ~ 125°C (TJ) | - | 300mA | - | Positive | Fixed | 6V | 3.3V | 1.5 µA | 1 | 0.33V @ 200mA | Enable | Over Current, Over Temperature | - | 56dB ~ 42dB (100Hz ~ 1kHz) | - | UM1540 |
| ![UM1540DA-18 UM1540DA-18](https://oss.origin-ic.net/productThumbImages/MFG_UM1530DA-43_tmb.jpg) | 5V Input, Low Quiescent Current | | 联系我们 | PCB Symbol, Footprint & 3D Model | Surface Mount | 6-WDFN Exposed Pad | 6-DFN (2x2) | -40°C ~ 125°C (TJ) | - | 300mA | - | Positive | Fixed | 6V | 1.8V | 1.5 µA | 1 | 0.33V @ 200mA | Enable | Over Current, Over Temperature | - | 56dB ~ 42dB (100Hz ~ 1kHz) | - | UM1540 |
| ![UM1540DA-28 UM1540DA-28](https://oss.origin-ic.net/productThumbImages/MFG_UM1530DA-43_tmb.jpg) | 5V Input, Low Quiescent Current | | 联系我们 | PCB Symbol, Footprint & 3D Model | Surface Mount | 6-WDFN Exposed Pad | 6-DFN (2x2) | -40°C ~ 125°C (TJ) | - | 300mA | - | Positive | Fixed | 6V | 2.8V | 1.5 µA | 1 | 0.33V @ 200mA | Enable | Over Current, Over Temperature | - | 56dB ~ 42dB (100Hz ~ 1kHz) | - | UM1540 |