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Partname: | SI-8120JD |
Description: | Switching Regulator IC |
Manufacturer: | Sanken Electric Co. |
Datasheet: | PDF (460K). Click here to download *) |
The output can also be turned ON/OFF with this pin. The output is stopped by setting the voltage of this pin to VSSL or lower. ON/OFF-pin voltage can be changed with an open-collector drive circuit of a transistor. When using both the soft-start and ON/OFF functions together, the discharge current from C3 flows into the ON/OFF control transistor. Therefore, limit the current securely to protect the transistor if C3 capacitance is large. The ON/OFF pin is pulled up to the power supply in the IC, so applying the external voltage is prohibited. |
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Click here to download SI-8120JD Datasheet*) |
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