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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TC4432VOA датащи(PDF) 6 Page - Microchip Technology |
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TC4432VOA датащи(HTML) 6 Page - Microchip Technology |
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6 / 18 page  TC4431/TC4432 DS21424D-page 6 © 2007 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 input for the MOSFET driver and is rated for 4.5V to 30V with respect to the ground pins. The VDD input should be bypassed to ground with a local ceramic capacitor. The value of this capacitor should be chosen based on the capacitive load that is being driven. 3.2 Control Input (IN) The MOSFET driver input is a TTL/CMOS compatible input with 250 mV of hysteresis between the high and low threshold voltages. If an input signal level of greater than 12V is applied to the device, a series current limiting resistor is recommended. 3.3 Lockout Disable (LOCK DIS) The lockout pin enables/disables the undervoltage lockout feature of the device. If undervoltage lockout is desired (output is not enabled until the bias voltage reaches 8.4V (typical) on the rising edge and is disabled when the bias voltage reaches 7.7V (typical) on the falling edge), the lockout pin should be left float- ing. If operation below 7V is desired, the lockout pin should be tied to ground. 3.4 Ground (GND) The ground pins are the return path for the bias current and for the high peak currents which discharge the load capacitor. Both ground pins should be used to ensure proper operation. The ground pins should be tied into a ground plane or have short traces to the bias supply source return. 3.5 Drive Output (OUT) The TC4431/TC4432 devices have individual source and sink output pins. This feature can be used to adjust the rise and fall time independently by adding separate charge and discharge resistors external to the device. Pin 7 (source output) can source 3 A peak currents into capacitive loads and pin 6 (sink output) can sink 1.5 A peak currents from a capacitive load. Pin No. Symbol Description 1VDD Supply Input, 4.5V to 30V 2 IN TTL/CMOS Compatible Input 3 LOCK DIS Input Pin, Enable/Disable for UV Lockout 4 GND Ground 5 GND Ground 6 OUT Drive Output, Pull Down 7 OUT Drive Output, Pull Up 8VDD Supply Input, 4.5V to 30V |
Аналогичный номер детали - TC4432VOA |
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Аналогичное описание - TC4432VOA |
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