TC429 Microchip Technology, TC429 Datasheet - Page 7

• Manufacturer Part Number: TC429
• Description: CMOS Power MOSFET Driver
• Manufacturer: Microchip Technology

3.0
The descriptions of the pins are listed in Table 3-1.
TABLE 3-1:
3.1
The V
and is rated for 7.0V to 18V with respect to the ground
pin. The V
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
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.
2003 Microchip Technology Inc.
Pin No.
DD
1
2
3
4
5
6
7
8
PIN DESCRIPTIONS
Supply Input (V
input is the bias supply for the MOSFET driver
Control Input (INPUT)
DD
input should be bypassed to ground with
OUTPUT
OUTPUT
Symbol
INPUT
GND
GND
PIN FUNCTION TABLE
V
V
NC
DD
DD
Supply input, 7V to 18V
Control input. TTL/CMOS compatible logic input
No connection
Ground
Ground
CMOS push-pull output, common to pin 7
CMOS push-pull output, common to pin 6
Supply input, 7V to 18V
DD
)
Description
3.3
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
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 connection.
CMOS Push-Pull Output
(OUTPUT)
Ground (GND)
No Connect (NC)
DS21416C-page 7
TC429