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TC4453AVOA: Description3A Dual High-Speed Power MOSFET Drivers; File Size676KB，22 Pages; ManufacturerMicrochip; Websitehttps://www.microchip.com

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TC4453AVOA Overview

3A Dual High-Speed Power MOSFET Drivers

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TC4423A/TC4424A/TC4425A

3A Dual High-Speed Power MOSFET Drivers

Features

• High Peak Output Current: 4.5A (typical)

• Wide Input Supply Voltage Operating Range:

- 4.5V to 18V

• High Capacitive Load Drive Capability:

- 1800 pF in 12 ns

• Short Delay Times: 40 ns (typical)

• Matched Rise/Fall Times

• Low Supply Current:

- With Logic ‘1’ Input – 1.0 mA (maximum)

- With Logic ‘0’ Input – 150 µA (maximum)

• Low Output Impedance: 2.5Ω (typical)

• Latch-Up Protected: Will Withstand 1.5A Reverse

Current

• Logic Input Will Withstand Negative Swing Up To

• Pin compatible with the TC4423/TC4424/TC4425

and TC4426A/TC4427A/TC4428A devices

• Space-saving 8-Pin 150 mil body SOIC and 8-Pin

6x5 DFN Packages

General Description

The TC4423A/TC4424A/TC4425A devices are a family

of dual-output 3A buffers/MOSFET drivers. These

devices are improved versions of the earlier TC4423/

TC4424/TC4425 dual-output 3A driver family. This

improved version features higher peak output current

drive capability, lower shoot-throught current, matched

rise/fall times and propagation delay times. The

TC4423A/TC4424A/TC4425A devices are pin-

compatible with the existing TC4423/TC4424/TC4425

family. An 8-pin SOIC package option has been added

to the family. The 8-pin DFN package option offers

increased power dissipation capability for driving

heavier capacitive or resistive loads.

The TC4423A/TC4424A/TC4425A MOSFET drivers

can easily charge and discharge 1800 pF gate

capacitance in under 20 ns, 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.

The TC4423A/TC4424A/TC4425A inputs may be

driven directly from either TTL or CMOS (2.4V to 18V).

In addition, the 300 mV of built-in hysteresis provides

noise immunity and allows the device to be driven from

slow rising or falling waveforms.

The TC4423A/TC4424A/TC4425A dual-output 3A

MOSFET driver family is offerd with a -40

C to +125

temperature rating, making it useful in any wide

temperature range application.

Applications

•

Switch Mode Power Supplies

Pulse Transformer Drive

Line Drivers

Direct Drive of Small DC Motors

Package Types

8-Pin PDIP/SOIC TC4423A TC4424A TC4425A

IN A

GND

IN B

TC4423A

TC4424A

TC4425A

16-Pin SOIC (Wide

)

IN A

GND

IN B

TC4423A TC4424A TC4425A

OUT A

OUT B

OUT A

OUT B

OUT A

OUT B

OUT A

OUT B

OUT A

OUT B

OUT A

OUT B

TC4423A

TC4424A

TC4425A

8-Pin 6x5 DFN

)

IN A

GND

IN B

TC4423A

TC4424A

TC4425A

TC4423A TC4424A TC4425A

OUT A

OUT B

OUT A

OUT B

OUT A

OUT B

Note 1:

Exposed pad of the DFN package is electrically isolated.

Duplicate pins must both be connected for proper operation

2007 Microchip Technology Inc.

DS21998B-page 1

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