전자부품 데이터시트 검색엔진 |
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TC429 데이터시트(PDF) 7 Page - Microchip Technology |
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TC429 데이터시트(HTML) 7 Page - Microchip Technology |
7 / 18 page 2003 Microchip Technology Inc. DS21416C-page 7 TC429 3.0 PIN DESCRIPTIONS The descriptions of the pins are listed in Table 3-1. TABLE 3-1: PIN FUNCTION TABLE 3.1 Supply Input (VDD) The VDD input is the bias supply for the MOSFET driver and is rated for 7.0V to 18V with respect to the ground pin. The VDD input should be bypassed to ground with a local ceramic capacitor. The value of the capacitor should be chosen based on the capacitive load that is being driven. A value of 1.0 µF is suggested. 3.2 Control Input (INPUT) The MOSFET driver input is a high-impedance, TTL/CMOS compatible input. The input also has 300 mV of hysteresis between the high and low thresh- olds that prevents output glitching even when the rise and fall time of the input signal is very slow. 3.3 CMOS Push-Pull Output (OUTPUT) The MOSFET driver output is a low-impedance, CMOS push-pull style output, capable of driving a capacitive load with 6.0A peak currents. 3.4 Ground (GND) The ground pins are the return path for the bias current and for the high peak currents that discharge the load capacitor. The ground pins should be tied into a ground plane or have very short traces to the bias supply source return. 3.5 No Connect (NC) No connection. Pin No. Symbol Description 1VDD Supply input, 7V to 18V 2 INPUT Control input. TTL/CMOS compatible logic input 3 NC No connection 4 GND Ground 5 GND Ground 6OUTPUT CMOS push-pull output, common to pin 7 7OUTPUT CMOS push-pull output, common to pin 6 8VDD Supply input, 7V to 18V |
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