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NCP81071ADR2G Datasheet(PDF) 2 Page - ON Semiconductor |
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NCP81071ADR2G Datasheet(HTML) 2 Page - ON Semiconductor |
2 / 14 page NCP81071 www.onsemi.com 2 VDD VDD VDD VDD Ref Ref Ref Ref Logic A Channel Logic B Channel UVLO VDD VDD VDD VDD INA ENA GND INB ENB OUTA OUTB VDD Figure 1. NCP81071 Block Diagram NCP81071A NCP81071B NCP81071C VDD VDD Ref Ref Ref Ref Logic A Channel Logic B Channel UVLO VDD VDD VDD VDD INA ENA GND INB ENB OUTA OUTB VDD VDD VDD VDD Ref Ref Ref Ref Logic A Channel Logic B Channel UVLO VDD VDD VDD VDD INA ENA GND INB ENB OUTA OUTB VDD Table 1. PIN DESCRIPTION Pin No. Symbol Description 1 ENA Enable input for the driver channel A with logic compatible threshold and hysteresis. This pin is used to en- able and disable the driver output. It is internally pulled up to VDD with a 200 k W resistor for active high op- eration. The output of the pin when the device is disabled will be always low. 2 INA Input of driver channel A which has logic compatible threshold and hysteresis. If not used, this pin should be connected to either VDD or GND. It should not be left unconnected. 3 GND Common ground. This ground should be connected very closely to the source of the power MOSFET. 4 INB Input of driver channel B which has logic compatible threshold and hysteresis. If not used, this pin should be connected to either VDD or GND. It should not be left unconnected. 5 OUTB Output of driver channel B. The driver is able to provide 5 A drive current to the gate of the power MOSFET. 6 VDD Supply voltage. Use this pin to connect the input power for the driver device. 7 OUTA Output of driver channel A. The driver is able to provide 5 A drive current to the gate of the power MOSFET. 8 ENB Enable input for the driver channel B with logic compatible threshold and hysteresis. This pin is used to en- able and disable the driver output. It is internally pulled up to VDD with a 200 k W resistor for active high op- eration. The output of the pin when the device is disabled will be always low. |
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