TC4427 TELCOM [TelCom Semiconductor, Inc], TC4427 Datasheet
TC4427
Manufacturer Part Number
TC4427
Description
1.5A DUAL HIGH-SPEED, POWER MOSFET DRIVERS
Manufacturer
TELCOM [TelCom Semiconductor, Inc]
Datasheet
1.TC4427.pdf
(6 pages)
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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
High Peak Output Current ............................... 1.5A
Wide Operating Range .......................... 4.5V to 18V
High Capacitive Load
Drive Capability ........................ 1000 pF in 25 nsec
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
TELCOM SEMICONDUCTOR, INC.
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
– 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 500mA 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 1000 pF 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 nanoseconds range. They are pin
compatible 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
DD
10/21/96
4-245
1
2
3
4
5
6
7
8
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TC4427 Summary of contents
Page 1
... GND +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 ...
Page 2
... Exposure to absolute maximum rating conditions for extended periods may affect device reliability OUT TC4427 GND OUT B 2,4 7,5 ...
Page 3
... NOTE: The values on this graph represent the loss seen by both drivers in a package during one complete cycle. For a single driver, divide the stated values by 2. For a single transition of a single driver, divide the stated value by 4. 100 110 120 TC4426 TC4427 TC4428 V 18V, unless otherwise specified. DD Min Typ Max 2 ...
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 DD 3.5 3.0 2.5 2.0 –55 –35 – Low-State Output Resistance TC4426 TC4427 TC4428 = 18V = 1000 105 125 18V BOTH INPUTS = 105 125 WORST CASE @ +150 C TYP @ +25 C ...
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 ...