TC4428 MICROCHIP [Microchip Technology], TC4428 Datasheet

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TC4428

Manufacturer Part Number
TC4428
Description
1.5A DUAL HIGH-SPEED POWER MOSFET DRIVERS
Manufacturer
MICROCHIP [Microchip Technology]
Datasheet

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1.5A DUAL HIGH-SPEED POWER MOSFET DRIVERS
FEATURES
ORDERING INFORMATION
Part No.
TC4426COA
TC4426CPA
TC4426EOA
TC4426EPA
TC4426MJA
TC4427COA
TC4427CPA
TC4427EOA
TC4427EPA
TC4427MJA
TC4428COA
TC4428CPA
TC4428EOA
TC4428EPA
TC4428MJA
© 2001 Microchip Technology Inc.
High Peak Output Current ............................... 1.5A
Wide Operating Range .......................... 4.5V to 18V
High Capacitive Load
Drive Capability .......................... 1000pF in 25nsec
Short Delay Time .............................. < 40nsec Typ.
Consistent Delay Times With Changes in
Supply Voltage
Low Supply Current
— With Logic “1” Input .................................... 4mA
— With Logic “0” Input ................................. 400 A
Low Output Impedance ....................................... 7
Latch-Up Protected ............. Will Withstand >0.5A
Reverse Current ................................. Down to – 5V
Input Will Withstand Negative Inputs
ESD Protected .....................................................4kV
Pinout Same as TC426/TC427/TC428
Package
8-Pin SOIC
8-Pin Plastic DIP
8-Pin SOIC
8-Pin Plastic DIP
8-Pin CerDIP
8-Pin SOIC
8-Pin Plastic DIP
8-Pin SOIC
8-Pin Plastic DIP
8-Pin CerDIP
8-Pin SOIC
8-Pin Plastic DIP
8-Pin SOIC
8-Pin Plastic DIP
8-Pin CerDIP
DS21422A
– 55 C to +125 C
– 55 C to +125 C
– 55 C to +125 C
– 40 C to +85 C
– 40 C to +85 C
– 40 C to +85 C
– 40 C to +85 C
– 40 C to +85 C
– 40 C to +85 C
Temperature
0 C to +70 C
0 C to +70 C
0 C to +70 C
0 C to +70 C
0 C to +70 C
0 C to +70 C
Range
GENERAL DESCRIPTION
earlier TC426/427/428 family of buffer/drivers (with which
they are pin compatible). They will not latch up under any
conditions within their power and voltage ratings. They are
not subject to damage when up to 5V of noise spiking (of
either polarity) occurs on the ground pin. They can accept,
without damage or logic upset, up to 500 mA of reverse
current (of either polarity) being forced back into their
outputs. All terminals are fully protected against up to 4kV of
electrostatic discharge.
switch 1000pF gate capacitances in under 30nsec, and
provide low enough impedances in both the ON and OFF
states to ensure the MOSFET's intended state will not be
affected, even by large transients.
These drivers have matched input to output leading edge
and falling edge delays, tD1 and tD2, for processing short
duration pulses in the 25 nsec range. They are pin compat-
ible with the TC4426/27/28.
FUNCTIONAL BLOCK DIAGRAM
INPUT
NOTES: 1.TC4426 has 2 inverting drivers; TC4427 has 2 noninverting drivers.
GND
EFFECTIVE INPUT
The TC4426/4427/4428 are improved versions of the
As MOSFET drivers, the TC4426/4427/4428 can easily
Other compatible drivers are the TC4426A/27A/28A.
C = 12 pF
2. TC4428 has one inverting and one noninverting driver.
3. Ground any unused driver input.
4.7V
300 mV
TC4426/TC4427/TC4428
NONINVERTING
OUTPUTS
INVERTING
OUTPUTS
TC4426/7/8-8
TC4426
TC4427
TC4428
V
OUTPUT
10/21/96
DD

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TC4428 Summary of contents

Page 1

... C to +70 C EFFECTIVE INPUT +70 C NOTES: 1.TC4426 has 2 inverting drivers; TC4427 has 2 noninverting drivers. – + TC4428 has one inverting and one noninverting driver. 3. Ground any unused driver input. – +85 C – +125 C TC4426 TC4427 ...

Page 2

... Duty Cycle sec Figure 1 Figure 1 Figure 1 Figure (Both Inputs (Both Inputs OUT TC4428 V DD GND OUT DIFFERENTIAL Min Typ Max Unit 2.4 — — V — — 0.8 V – 1 — ...

Page 3

... INPUT 10 90% 0.1 µF OUTPUT 10% 0V OUTPUT Inverting Driver 1000 pF +5V INPUT 10 90 OUTPUT 10% 0V Noninverting Driver TC4426 TC4427 TC4428 Max Unit — — — A — nsec 40 nsec 40 nsec 60 nsec 8 mA 0.6 ...

Page 4

... TC4426 TC4427 TC4428 TYPICAL CHARACTERISTICS Rise Time vs. Supply Voltage 100 2200 pF 80 1500 pF 60 1000 pF 40 470 pF 20 100 Rise TIme vs. Capacitive Load 100 100 1000 C (pF) LOAD Rise and Fall Times vs. Temperature ...

Page 5

... V = 18V 1000 pF LOAD 18V DD BOTH INPUTS = Low-State Output Resistance WORST CASE @ +150 C TYP @ + TC4426 TC4427 TC4428 105 125 105 125 16 18 TC4426/7/8-8 10/21/96 ...

Page 6

... TC4426 TC4427 TC4428 SUPPLY CURRENT CHARACTERISTICS (Load on Single Output Only) Supply Current vs. Capacitive Load 60 2 MHz V = 18V 100 1000 C (pF) LOAD Supply Current vs. Capacitive Load 12V 100 1000 C (pF) LOAD Supply Current vs. Capacitive Load ...

Page 7

... MIN. .020 (0.51) .016 (0.41) 8-Pin Plastic DIP PIN 1 .260 (6.60) .240 (6.10) .070 (1.78) .040 (1.02) .400 (10.16) .348 (8.84) .040 (1.02) .020 (0.51) .022 (0.56) .015 (0.38) 7 TC4428 .320 (8.13) .290 (7.37) 3 MIN. .400 (10.16) .320 (8.13) .310 (7.87) .290 (7.37) .015 (0.38) 3 MIN. .008 (0.20) .400 (10.16) .310 (7.87) Dimensions: inches (mm) TC4426/7/8-8 TC4426 TC4427 10/21/96 ...

Page 8

... TC4426 TC4427 TC4428 PACKAGE DIMENSIONS Cont.) .050 (1.27) TYP. .197 (5.00) .189 (4.80) .020 (0.51) .013 (0.33) TC4426/7/8-8 10/21/96 1.5A DUAL HIGH-SPEED POWER MOSFET DRIVERS 8-Pin SOIC .157 (3.99) .244 (6.20) .150 (3.81) .228 (5.79) .069 (1.75) .053 (1.35) 8 MAX. .010 (0.25) .050 (1.27) .004 (0.10) .016 (0.40) 8 .010 (0.25) .007 (0.18) Dimensions: inches (mm) © 2001 Microchip Technology Inc. DS21422A ...

Page 9

... Tel: 81-45-471- 6166 Fax: 81-45-471-6122 Korea Microchip Technology Korea 168-1, Youngbo Bldg. 3 Floor Samsung-Dong, Kangnam-Ku Seoul, Korea Tel: 82-2-554-7200 Fax: 82-2-558-5934 9 TC4426 TC4427 TC4428 S ERVICE ASIA/PACIFIC (continued) Singapore Microchip Technology Singapore Pte Ltd. 200 Middle Road #07-02 Prime Centre Singapore, 188980 Tel: 65-334-8870 Fax: 65-334-8850 ...

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