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TC4421EAT Fiches technique(PDF) 1 Page - Microchip Technology

No de pièce TC4421EAT
Description  9A High-Speed MOSFET Drivers
Download  18 Pages
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Fabricant  MICROCHIP [Microchip Technology]
Site Internet  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

TC4421EAT Fiches technique(HTML) 1 Page - Microchip Technology

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 2004 Microchip Technology Inc.
DS21420D-page 1
TC4421/TC4422
Features
• High Peak Output Current: 9A
• Wide Input Supply Voltage Operating Range:
- 4.5V to 18V
• High Continuous Output Current: 2A Max
• Fast Rise and Fall Times:
- 30 ns with 4,700 pF Load
- 180 ns with 47,000 pF Load
• Short Propagation Delays: 30 ns (typ)
• Low Supply Current:
- With Logic ‘1’ Input – 200 µA (typ)
- With Logic ‘0’ Input – 55 µA (typ)
• Low Output Impedance: 1.4
Ω (typ)
• Latch-Up Protected: Will Withstand 1.5A Output
Reverse Current
• Input Will Withstand Negative Inputs Up To 5V
• Pin-Compatible with the TC4420/TC4429
6A MOSFET Driver
• Space-saving 8-Pin 6x5 DFN Package
Applications
• Line Drivers for Extra Heavily-Loaded Lines
• Pulse Generators
• Driving the Largest MOSFETs and IGBTs
• Local Power ON/OFF Switch
• Motor and Solenoid Driver
General Description
The TC4421/TC4422 are high-current buffer/drivers
capable of driving large MOSFETs and IGBTs.
These devices are essentially immune to any form of
upset, except direct overvoltage or over-dissipation.
They cannot be latched under any conditions within
their power and voltage ratings. These parts are not
subject to damage or improper operation when up to
5V of ground bounce is present on their ground termi-
nals. They can accept, without damage or logic upset,
more than 1A inductive current of either polarity being
forced back into their outputs. In addition, all terminals
are fully protected against up to 4 kV of electrostatic
discharge.
The TC4421/TC4422 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.
With
both
surface-mount
and
pin-through-hole
packages and four operating temperature range offer-
ings, the TC4421/22 family of 9A MOSFET drivers fit
into most any application where high gate/line
capacitance drive is required.
Package Types(1)
8-Pin PDIP/
1
2
3
4
VDD
5
6
7
8
OUTPUT
GND
VDD
INPUT
NC
GND
OUTPUT
TC4421
TC4422
5-Pin TO-220
TC4421
TC4422
Tab is
Common
to VDD
Note 1: Duplicate pins must both be connected for proper operation.
2: Exposed pad of the DFN package is electrically isolated.
TC4421 TC4422
VDD
OUTPUT
GND
OUTPUT
SOIC
8-Pin DFN(2)
VDD
INPUT
NC
GND
2
3
4
5
6
7
8
1
TC4421
TC4422
VDD
OUTPUT
GND
OUTPUT
TC4421 TC4422
VDD
OUTPUT
GND
OUTPUT
9A High-Speed MOSFET Drivers


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