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データシートサーチシステム |
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TC4421M データシート(PDF) 8 Page - Microchip Technology |
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TC4421M データシート(HTML) 8 Page - Microchip Technology |
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8 / 18 page  TC4421M/TC4422M DS21934A-page 8 © 2005 Microchip Technology Inc. 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 4.5V 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 minimum value of 1.0 µF is suggested. 3.2 Control 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 thresholds that prevents output glitching even when the rise and fall time of the input signal is very slow. 3.3 CMOS Push-Pull Output The MOSFET driver output is a low-impedance, CMOS, push-pull style output capable of driving a capacitive load with 9.0A peak currents. The MOSFET driver output is capable of withstanding 1.5A peak reverse currents of either polarity. 3.4 Ground 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. Pin No. 8-Pin CERDIP Symbol Description 1VDD Supply input, 4.5V to 18V 2 INPUT Control input, TTL/CMOS-compatible input 3 NC No connection 4 GND Ground 5 GND Ground 6 OUTPUT CMOS push-pull output 7 OUTPUT CMOS push-pull output 8VDD Supply input, 4.5V to 18V |
同様の部品番号 - TC4421M |
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同様の説明 - TC4421M |
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