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TC4423
TC4424
TC4425
3A DUAL HIGH-SPEED POWER MOSFET DRIVERS
FEATURES
GENERAL DESCRIPTION
■ High Peak Output Current .................................. 3A
■ Wide Operating Range ..........................4.5V to 18V
■ High Capacitive Load
Drive Capability ......................... 1800 pF in 25nsec
■ Short Delay Times ............................. < 40nsec Typ
■ Matched Rise/Fall Times
The TC4423/4424/4425 are higher output current ver-
sions of the new TC4426/4427/4428 buffer/drivers, which,
in turn, are improved versions of the earlier TC426/427/428
series. All three families are pin-compatible. The TC4423/
4424/4425 drivers are capable of giving reliable service in
farmoredemandingelectricalenvironmentsthantheirante-
cedents.
AlthoughprimarilyintendedfordrivingpowerMOSFETs,
the TC4423/4424/4425 drivers are equally well-suited to
driving any other load (capacitive, resistive, or inductive)
which requires a low impedance driver capable of high peak
currents and fast switching times. For example, heavily
loadedclocklines, coaxialcables, orpiezoelectrictransduc-
ers can all be driven from the TC4423/4424/4425. The only
known limitation on loading is the total power dissipated in
the driver must be kept within the maximum power dissipa-
tion limits of the package.
■ Low Supply Current
— With Logic "1" Input ................................ 3.5 mA
— With Logic "0" Input ................................ 350 µA
■ Low Output Impedance ............................. 3.5Ω Typ
■ Latch-Up Protected . Will Withstand 1.5A Reverse
Current
■ Logic Input Will Withstand Negative Swing Up
to 5V
■ ESD Protected....................................................4 kV
■ Pinouts Same as TC1426/27/28; TC4426/27/28
ORDERING INFORMATION
Temperature
Part No.
Package
Range
Temperature
Part No
Package
Range
TC4423COE
TC4423CPA
TC4423EOE
TC4423EPA
TC4423MJA
16-Pin SOIC (Wide)
8-Pin Plastic DIP
0°C to +70°C
0°C to +70°C
TC4424EPA
TC4424MJA
8-Pin Plastic DIP
8-Pin CerDIP
– 40°C to +85°C
– 55°C to +125°C
16-Pin SOIC (Wide) – 40°C to +85°C
8-Pin Plastic DIP
8-Pin CerDIP
– 40°C to +85°C
– 55°C to +125°C
TC4425COE
TC4425CPA
TC4425EOE
TC4425EPA
TC4425MJA
16-Pin SO Wide
8-Pin Plastic DIP
16-Pin SO Wide
8-Pin Plastic DIP
8-Pin CerDIP
0°C to +70°C
0°C to +70°C
– 40°C to +85°C
– 40°C to +85°C
– 55°C to +125°C
TC4424COE
TC4424CPA
TC4424EOE
16-Pin SOIC (Wide)
8-Pin Plastic DIP
16-Pin SO Wide
0°C to +70°C
0°C to +70°C
– 40°C to +85°C
FUNCTIONAL BLOCK DIAGRAM
V
DD
INVERTING
300 mV
OUTPUT
NONINVERTING
INPUT
4.7V
TC4423
DUAL INVERTING
TC4424
TC4425
DUAL NONINVERTING
ONE INV., ONE NONINV.
GND
EFFECTIVE
NOTES:
INPUT C = 20 pF
(EACH INPUT)
1. TC4425 has one inverting and one noninverting driver.
2. Ground any unused driver input.
TC4423/4/5-6 10/21/96
TELCOM SEMICONDUCTOR, INC.
4-237