TC4421 TelCom Semiconductor, TC4421 Datasheet

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TC4421

Manufacturer Part Number
TC4421
Description
(TC4421 / TC4422) 9A HIGH-SPEED MOSFET DRIVERS
Manufacturer
TelCom Semiconductor
Datasheet

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9A HIGH-SPEED MOSFET DRIVERS
FEATURES
FUNCTIONAL BLOCK DIAGRAM
APPLICATIONS
PIN CONFIGURATIONS
5-Pin TO-220
Tough CMOS
High Peak Output Current .................................. 9A
High Continuous Output Current ............... 2A Max
Fast Rise and Fall Times:
— 30 nsec with 4,700 pF Load
— 180 nsec with 47,000 pF Load
Short Internal Delays ............................ 30nsec Typ
Low Output Impedance ............................ 1.4W Typ
Line Drivers for Extra-Heavily-Loaded Lines
Pulse Generators
Driving the Largest MOSFETs and IGBTs
Local Power ON/OFF Switch
Motor and Solenoid Driver
TELCOM SEMICONDUCTOR, INC.
TC4421
TC4422
Tab is
Common
to V
DD
NOTE:
Construction
INPUT
GND
Duplicate pins must both be connected
for proper operation.
NC = No connection
INPUT
8-Pin Plastic DIP/CerDIP
GND
V
NC
DD
1
2
3
4
EFFECTIVE
TC4421
TC4422
INPUT C
25 pF
both
4.7V
8
7
6
5
V
OUTPUT
OUTPUT
GND
300 mV
DD
Inverting/Noninverting
TC4421/TC4422
NONINVERTING
INVERTING
ORDERING INFORMATION
TC4421CAT
TC4421CPA
TC4421EPA
TC4421MJA
TC4422CAT
TC4422CPA
TC4422EPA
TC4422MJA
GENERAL DESCRIPTION
capable of driving large MOSFETs and IGBTs.
except direct overvoltage or over-dissipation — they can-
not be latched under any conditions within their power and
voltage ratings; they are not subject to damage or improper
operation when up to 5V of ground bounce is present on
their ground terminals; they can accept, without either
damage or logic upset, more than 1A inductive current of
either polarity being forced back into their outputs. In addi-
tion, all terminals are fully protected against up to 4 kV of
electrostatic discharge.
either TTL or CMOS (3V to 18V). In addition, 300 mV of
hysteresis is built into the input, providing noise immunity
and allowing the device to be driven from slowly rising or
falling waveforms.
Part No.
The TC4421/4422 are high current buffer/drivers
They are essentially immune to any form of upset
The TC4421/4422 inputs may be driven directly from
Package
5-Pin TO-220
8-Pin PDIP
8-Pin PDIP
8-Pin CerDIP
5-Pin TO-220
8-Pin PDIP
8-Pin PDIP
8-Pin CerDIP
V
OUTPUT
DD
Temperature Range
– 55 C to+125 C
– 55 C to+125 C
– 40 C to +85 C
– 40 C to +85 C
0 C to +70 C
0 C to +70 C
0 C to +70 C
0 C to +70 C
TC4421
TC4422
TC4421/2-7 -1018/96
4-231
1
2
3
4
5
6
7
8

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TC4421 Summary of contents

Page 1

... In addi- tion, all terminals are fully protected against electrostatic discharge. The TC4421/4422 inputs may be driven directly from either TTL or CMOS (3V to 18V). In addition, 300 mV of hysteresis is built into the input, providing noise immunity and allowing the device to be driven from slowly rising or falling waveforms ...

Page 2

... See Figure 1 V See Figure 18V 18V 18V DD 10V V 18V (TC4421/22 CAT only) Duty Cycle 2% Withstand Reverse Current t Figure 10,000 pF L Figure 10,000 pF L Figure 1 Figure ...

Page 3

... Figure 10,000 pF L Figure 1 Figure 0.1 F +5V INPUT 0 +18V OUTPUT OUTPUT C = 10,000 Figure 1. Switching Time Test Circuit TC4421 TC4422 Min Typ Max Unit 2.4 — — — — 0.8 – 10 — – 0.025 — — DD — — 0.025 — ...

Page 4

... TC4421 TC4422 TYPICAL CHARACTERISTICS Rise Time vs. Supply Voltage 220 200 180 22,000 pF 160 140 120 10,000 pF 100 80 4700 1000 Rise TIme vs. Capacitive Load 300 250 200 150 100 50 0 100 1000 10,000 C LOAD (pF) Rise and Fall Times vs. Temperature ...

Page 5

... TC4421 TC4422 Supply Current vs. Frequency (V = 18V) DD 47,000 pF 22,000 pF 10,000 pF 0.1 µF 4700 pF 470 pF 100 1000 FREQUENCY (kHz) Supply Current vs. Frequency (V = 12) DD 22,000 pF 10,000 pF 47,000 pF 4700 pF 0.1 µ ...

Page 6

... TC4421 TC4422 TYPICAL CHARACTERISTICS (Cont.) Propagation Delay vs. Input Amplitude 120 110 100 INPUT (V) Crossover Energy vs. Supply Voltage –6 10 –7 10 – NOTE: The values on this graph represent the loss seen by the driver during a complete cycle ...

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