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TelCom Semiconductor - (TC4426 - TC4428) 1.5A DUAL HIGH-SPEED POWER MOSFET DRIVERS

Numéro de référence TC4428
Description (TC4426 - TC4428) 1.5A DUAL HIGH-SPEED POWER MOSFET DRIVERS
Fabricant TelCom Semiconductor 
Logo TelCom Semiconductor 





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TC4428 fiche technique
1TC4426
TC4427
TC4428
1.5A DUAL HIGH-SPEED, POWER MOSFET DRIVERS
FEATURES
s High Peak Output Current ............................... 1.5A
s Wide Operating Range .......................... 4.5V to 18V
s High Capacitive Load
Drive Capability ........................ 1000 pF in 25 nsec
s Short Delay Time ................................ <40nsec Typ
s Consistent Delay Times With Changes in
Supply Voltage
s Low Supply Current
— With Logic “1” Input .................................... 4mA
— With Logic “0” Input ................................. 400µA
s Low Output Impedance ....................................... 7
s Latch-Up Protected: Will Withstand >0.5A
Reverse Current ................................. Down to – 5V
s Input Will Withstand Negative Inputs
s ESD Protected .....................................................4kV
s Pinout Same as TC426/TC427/TC428
ORDERING INFORMATION
Part No.
TC4426COA
TC4426CPA
TC4426EOA
TC4426EPA
TC4426MJA
TC4427COA
TC4427CPA
TC4427EOA
TC4427EPA
TC4427MJA
TC4428COA
TC4428CPA
TC4428EOA
TC4428EPA
TC4428MJA
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
Temperature
Range
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
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
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
GENERAL DESCRIPTION
The TC4426/4427/4428 are improved versions of the
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.
As MOSFET drivers, the TC4426/4427/4428 can easily
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.
Other compatible drivers are the TC4426A/27A/28A.
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
INVERTING
OUTPUTS
VDD
INPUT
300 mV
NONINVERTING
OUTPUTS
4.7V TC4426/TC4427/TC4428
OUTPUT
GND
EFFECTIVE INPUT
C = 12 pF
NOTES: 1.TC4426 has 2 inverting drivers; TC4427 has 2 noninverting drivers.
2. TC4428 has one inverting and one noninverting driver.
3. Ground any unused driver input.
2
3
4
5
6
7
TELCOM SEMICONDUCTOR, INC.
TC4426/7/8-8 10/21/96
4-245
8

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