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TC4420
TC4429
6A HIGH-SPEED MOSFET DRIVERS
FEATURES
GENERAL DESCRIPTION
■ Latch-Up Protected ............. Will Withstand > 1.5A
Reverse Output Current
■ Logic Input Will Withstand Negative Swing Up
to 5V
TheTC4420/4429are6A(peak),singleoutputMOSFET
drivers. The TC4429 is an inverting driver (pin-compatible
with the TC429), while the TC4420 is a non-inverting driver.
ThesedriversarefabricatedinCMOSforlowerpower, more
efficient operation versus bipolar drivers.
BothdeviceshaveTTL-compatibleinputs,whichcanbe
driven as high as VDD + 0.3V or as low as – 5V without upset
or damage to the device. This eliminates the need for
external level shifting circuitry and its associated cost and
size. The output swing is rail-to-rail ensuring better drive
voltage margin, especially during power up/power down
sequencing. Propagational delay time is only 55nsec (typ.)
and the output rise and fall times are only 25nsec (typ.) into
2500pF across the usable power supply range.
■ ESD Protected..................................................... 4kV
■ Matched Rise and Fall Times ......................25nsec
■ High Peak Output Current ......................... 6A Peak
■ Wide Operating Range ..........................4.5V to 18V
■ High Capacitive Load Drive .....................10,000 pF
■ Short Delay Time .................................. 55nsec Typ
■ Logic High Input, Any Voltage ............. 2.4V to VDD
■ Low Supply Current With Logic "1" Input ... 450µA
■ Low Output Impedance .................................... 2.5Ω
■ Output Voltage Swing to Within 25mV of Ground
or VDD
Unlike other drivers, the TC4420/4429 are virtually
latch-up proof. They replace three or more discrete compo-
nents saving PCB area, parts and improving overall system
reliability.
APPLICATIONS
■ Switch-Mode Power Supplies
■ Motor Controls
■ Pulse Transformer Driver
■ Class D Switching Amplifiers
ORDERING INFORMATION
Temp.
Range
Part No.
Logic
Package
FUNCTIONAL BLOCK DIAGRAM
TC4420CAT Noninverting 5-Pin TO-220
TC4420COA Noninverting 8-Pin SOIC
TC4420CPA Noninverting 8-Pin PDIP
TC4420EOA Noninverting 8-Pin SOIC
TC4420EPA Noninverting 8-Pin PDIP
0°C to +70°C
0°C to +70°C
V
DD
0°C to +70°C
TC4429
500 µA
300 mV
– 40°C to +85°C
– 40°C to +85°C
–25°C to +85°C
OUTPUT
TC4420IJA
Noninverting 8-Pin CerDIP
TC4420MJA Noninverting 8-Pin CerDIP – 55°C to +125°C
INPUT
GND
TC4429CAT Inverting
TC4429COA Inverting
TC4429CPA Inverting
TC4429EOA Inverting
TC4429EPA Inverting
5-Pin TO-220
8-Pin SOIC
8-Pin PDIP
8-Pin SOIC
8-Pin PDIP
0°C to +70°C
0°C to +70°C
TC4420
4.7V
0°C to +70°C
EFFECTIVE
INPUT
C = 38 pF
– 40°C to +85°C
– 40°C to +85°C
TC4429IJA
Inverting
8-Pin CerDIP – 25°C to +85°C
8-Pin CerDIP – 55°C to +125°C
PIN CONFIGURATIONS
TC4429MJA Inverting
TO-220-5
8-Pin DIP
8-Pin SOIC
V
V
V
V
1
2
3
4
8
7
6
5
1
2
3
4
8
7
6
5
DD
DD
DD
DD
INPUT
NC
OUTPUT INPUT
OUTPUT
OUTPUT
GND
TC4420
TC4429
TC4420
TC4429
TC4420
TC4429
OUTPUT
GND
NC
GND
GND
Tab is
Connected
to V
DD
NOTE: Duplicate pins must both be connected for proper operation.
TC4420/9-6 10/18/96
TELCOM SEMICONDUCTOR, INC.
4-225