1
TC4431
TC4432
1.5A HIGH-SPEED 30V MOSFET DRIVERS
FEATURES
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s
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High Peak Output Current ............................... 1.5A
Wide Operating Range ............................. 5V to 30V
High Capacitive Load
Drive Capability ......................... 1000 pF in 25nsec
Short Delay Time ................................ <78nsec Typ
Low Supply Current
— With Logic “1” Input ................................. 2.5mA
— With Logic “0” Input ................................. 300
µ
A
Low Output Impedance ....................................... 7
Ω
Latch-Up Protected .......... Will Withstand >300mA
Reverse Current
ESD Protected .................................................... 4 kV
GENERAL DESCRIPTION
The TC4431/4432 are 30V CMOS buffer/drivers suit-
able for use in high-side driver applications. They will not
latch up under any conditions within their power and voltage
ratings. They can accept, without damage or logic upset, up
to 300mA of reverse current (of either polarity) being forced
back into their outputs. All terminals are fully protected
against up to 4kV of electrostatic discharge.
Under-voltage lockout circuitry forces the output to a
"low" state when the input supply voltage drops below 7V.
Maximum startup V
DD
bias voltage threshold is 10V. For
operation at lower voltages, the LOCK DIS, Pin 3 can be
grounded to disable the lockout and start-up circuit. The
under-voltage lockout and start-up circuit gives brown out
protection when driving MOSFETS.
2
3
4
5
6
7
6
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ORDERING INFORMATION
Part No.
TC4431COA
TC4431CPA
TC4431EJA
TC4431EOA
TC4431EPA
Package
8-Pin SOIC
8-Pin Plastic DIP
8-Pin CerDIP
8-Pin SOIC
8-Pin Plastic DIP
Temperature
Range
0°C to +70°C
0°C to +70°C
– 40°C to +85°C
– 40°C to +85°C
– 40°C to +85°C
Part No.
TC4432COA
TC4432CPA
TC4432EJA
TC4432EOA
TC4432EPA
Package
8-Pin SOIC
8-Pin Plastic DIP
8-Pin CerDIP
8-Pin SOIC
8-Pin Plastic DIP
Temperature
Range
0°C to +70°C
0°C to +70°C
– 40°C to +85°C
– 40°C to +85°C
– 40°C to +85°C
FUNCTIONAL BLOCK DIAGRAM
8
V
DD
3
UV LOCK
2 mA
LOCK DIS.
Inverted
TC4431
OUT
OUT
7
INPUT
2
250mV
Non-Inverted
TC4432
TC4431/32
Inverting/Noninverting
GND
4, 5
EFFECTIVE
INPUT
C = 10pF
TC4431/2-8 10/21/96
8
4-257
TELCOM SEMICONDUCTOR, INC.
TELCOM [ TELCOM SEMICONDUCTOR, INC ]
