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| Partname: | SC1543 |
| Description: | 400mA/200mA Dual 3.3V Smart Power Switch |
| Manufacturer: | Semtech Corp. |
| Datasheet: | PDF (56.2K).
Click here to download *) |
The SC1543 provides a glitch free 3.3V output when one of two 3.3V input sources is present. It does not require external logic to sequence from one input source to the other. Whenever VIN1 exceeds a predetermined threshold value the internal MOSFET connects it's source voltage to the output. If the input at VIN1 is below the threshold another internal MOSFET connects VIN2 to the output. If both inputs are at 3.3V then VIN1 will be connected to the output. |
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Click here to download SC1543 Datasheet*) |
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