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MCP19124 датащи(PDF) 17 Page - Microchip Technology |
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MCP19124 датащи(HTML) 17 Page - Microchip Technology |
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17 / 236 page ![]() 2016 Microchip Technology Inc. DS20005619A-page 17 MCP19124/5 2.1.22 PDRV PIN The gate of the low-side primary MOSFET is connected to PDRV. The PCB tracing connecting PDRV to the gate must be of minimal length and appropriate width to handle the high-peak drive currents and fast voltage transitions. 2.1.23 VDR PIN The supply for the low-side drivers is connected to this pin and has an absolute maximum rating of +13.5V. This pin can be connected by an RC filter to the VDD pin. 2.1.24 VDD PIN The output of the internal +5.0V regulator is connected to this pin. It is recommended that a 1.0 µF minimum/ 4.7 µF maximum bypass capacitor be connected between this pin and the GND pin of the device. The bypass capacitor should be physically placed close to the device. 2.1.25 VIN PIN Input power connection pin of the device. It is recommended that capacitance be placed between this pin and the GND pin of the device. 2.1.26 VS PIN Analog input connected to the noninverting input of the overvoltage comparator. Typically used as output voltage overvoltage protection. The inverting input of the overvoltage comparator is controlled by the OVREF DAC. 2.1.27 VCOMP PIN EA2 Error amplifier output signal connecting to external compensation 2.1.28 ICOMP PIN EA1 Error amplifier output signal connecting to external compensation. 2.1.29 EXPOSED PAD (EP) It is recommended to connect the exposed pad to AGND. |
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