TC4423A MICROCHIP [Microchip Technology], TC4423A Datasheet

TC4423A

Manufacturer Part Number

TC4423A

Description

3A Dual High-Speed Power MOSFET Drivers

Manufacturer

MICROCHIP [Microchip Technology]

Datasheet

1.TC4423A.pdf (22 pages)

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Features

• High Peak Output Current: 4.5A (typical)

• Wide Input Supply Voltage Operating Range:

• High Capacitive Load Drive Capability:

• Short Delay Times: 40 ns (typical)

• Matched Rise/Fall Times

• Low Supply Current:

• Low Output Impedance: 2.5Ω (typical)

• Latch-Up Protected: Will Withstand 1.5A Reverse

• Logic Input Will Withstand Negative Swing Up To

• Pin compatible with the TC4423/TC4424/TC4425

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

Applications

• Switch Mode Power Supplies

• Pulse Transformer Drive

• Line Drivers

• Direct Drive of Small DC Motors

Package Types

- 4.5V to 18V

- 1800 pF in 12 ns

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

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

Current

and TC4426A/TC4427A/TC4428A devices

6x5 DFN Packages

GND

8-Pin PDIP/SOIC

IN A

IN B

IN A

IN B

Note 1: Exposed pad of the DFN package is electrically isolated.

8-Pin 6x5 DFN

2: Duplicate pins must both be connected for proper operation

TC4423A

TC4424A

TC4425A

TC4423A

TC4424A

TC4425A

3A Dual High-Speed Power MOSFET Drivers

TC4423A TC4424A

)

OUT A

OUT B

TC4423A TC4424A

OUT A

OUT B

OUT A

OUT B

TC4423A/TC4424A/TC4425A

OUT A

OUT B

TC4425A

OUT A

OUT B

TC4425A

OUT A

OUT B

GND

IN A

IN B

16-Pin SOIC (Wide

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

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

temperature rating, making it useful in any wide

temperature range application.

TC4423A

TC4424A

TC4425A

)

TC4423A TC4424A TC4425A

OUT A

OUT B

devices

OUT A

OUT B

DS21998B-page 1

C to +125

OUT A

OUT B

are

pin-

Related parts for TC4423A

TC4423A Summary of contents

Page 1

... Note 1: Exposed pad of the DFN package is electrically isolated. 2: Duplicate pins must both be connected for proper operation © 2007 Microchip Technology Inc. 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 ...

Page 2

... TC4423A/TC4424A/TC4425A (1) Functional Block Diagram Input Effective Input (Each Input) GND Note 1: Unused inputs should be grounded. DS21998B-page 2 Inverting 750 µA 300 mV Non-inverting 4.7V TC4423A Dual Inverting TC4424A Dual Non-inverting TC4425A Inverting / Non-inverting V DD Output © 2007 Microchip Technology Inc. ...

Page 3

... Package power dissipation is dependent on the copper pad area on the PCB. © 2007 Microchip Technology Inc. TC4423A/TC4424A/TC4425A † Notice: Stresses above those listed under "Maximum Ratings" may cause permanent damage to the device. This is a stress rating only and functional operation of the device at those or any other conditions above those indicated in the operational sections of this specification is not intended ...

Page 4

... TC4423A/TC4424A/TC4425A DC CHARACTERISTICS (OVER OPERATING TEMPERATURE RANGE) Electrical Specifications: Unless otherwise indicated, operating temperature range with 4.5V ≤ V Parameters Sym Input Logic ‘1’, High Input Voltage V IH Logic ‘0’, Low Input Voltage V IL Input Current I IN Output High Output Voltage V OH ...

Page 5

... LOAD FALL RISE 12 10 -40 -25 - 110 125 o Temperature ( C) FIGURE 2-3: Rise and Fall Times vs. Temperature. © 2007 Microchip Technology Inc. TC4423A/TC4424A/TC4425A <= 18V 4700 1,000 1000 FIGURE 2-4: Voltage. 70 ...

Page 6

... Temperature ( C) Propagation Delay Time vs. = 18V Both Inputs = 110 125 o Temperature ( C) Quiescent Current vs (TC4424A (TC4423A 150 Supply Voltage (V) Output Resistance (Output © 2007 Microchip Technology Inc. ...

Page 7

... Capacitive Load. 120 3.5 MHz DD 100 80 100 kHz 60 200 kHz 40 500 kHz 20 0 100 1000 Capacitive Load (pF) FIGURE 2-15: Supply Current vs. Capacitive Load. © 2007 Microchip Technology Inc. TC4423A/TC4424A/TC4425A <= 18V. DD 100 V 650 kHz 10000 10 FIGURE 2-16: Frequency. 140 ...

Page 8

... TC4423A/TC4424A/TC4425A Typical Performance Curves (Continued) Note: Unless otherwise indicated +25°C with 4.5V < 1.00E- 1.00E- 1.00E- 1.00E- Supply Voltage (V) The values on Note: represents the loss seen by both drivers in a package during one complete cycle. For a single driver, divide the stated values by 2 ...

Page 9

... This input must be decoupled to ground with a local ceramic capacitor. This bypass capacitor provides a localized low- impedance path for the peak currents that are to be provided to the load. © 2007 Microchip Technology Inc. TC4423A/TC4424A/TC4425A (1) Symbol Description NC No connection ...

Page 10

... TC4423A/TC4424A/TC4425A 4.0 APPLICATIONS INFORMATION V = 18V DD 1 µF WIMA MKS-2 Input Output TC4423A (1/2 TC4425A) Input: 100 kHz, square wave, ≤ RISE FALL +5V Input 10 18V 90% Output 10% 0V FIGURE 4-1: Inverting Driver Switching Time. DS21998B-page 10 0.1 µF Ceramic Input ...

Page 11

... Microchip Technology Inc. TC4423A/TC4424A/TC4425A Example Example: Example: TC4423AV OA^^0520 Example: : TC4423A VMF 0520 256 TC4423AV PA^^256 e 3 0520 e 3 256 TC4423A e VOE^^ 3 0420256 ) e 3 DS21998B-page 11 ...

Page 12

... TC4423A/TC4424A/TC4425A 8-Lead Plastic Dual Flat, No Lead Package (MF) – 6x5 mm Body [DFN-S] PUNCH SINGULATED Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging NOTE TOP VIEW φ Number of Pins Pitch Overall Height ...

Page 13

... Significant Characteristic. 3. Dimensions D and E1 do not include mold flash or protrusions. Mold flash or protrusions shall not exceed .010" per side. 4. Dimensioning and tolerancing per ASME Y14.5M. BSC: Basic Dimension. Theoretically exact value shown without tolerances. © 2007 Microchip Technology Inc. TC4423A/TC4424A/TC4425A ...

Page 14

... TC4423A/TC4424A/TC4425A 8-Lead Plastic Small Outline (OA) – Narrow, 3.90 mm Body [SOIC] Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging N NOTE Number of Pins Pitch Overall Height Molded Package Thickness § Standoff Overall Width Molded Package Width ...

Page 15

... Dimensions D and E1 do not include mold flash or protrusions. Mold flash or protrusions shall not exceed 0.15 mm per side. 4. Dimensioning and tolerancing per ASME Y14.5M. BSC: Basic Dimension. Theoretically exact value shown without tolerances. REF: Reference Dimension, usually without tolerance, for information purposes only. © 2007 Microchip Technology Inc. TC4423A/TC4424A/TC4425A φ ...

Page 16

Page 17

... Page 12: Updated Package Outline Drawing. • Page 13: Updated Package Outline Drawing. • Page 14: Updated Package Outline Drawing. • Page 15: Added 16-Lead SOIC Package Outline Drawing • Page 17: Updated Revision History. Revision A (June 2006) • Original Release of this Document. © 2007 Microchip Technology Inc. TC4423A/TC4424A/TC4425A DS21998B-page 17 ...

Page 18

Page 19

... To order or obtain information, e.g., on pricing or delivery, refer to the factory or the listed sales office PART NO Device Temperature Package Range Device: TC4423A: 3A Dual MOSFET Driver, Inverting TC4424A: 3A Dual MOSFET Driver, Non-Inverting TC4425A: 3A Dual MOSFET Driver, Complementary Temperature Range -40°C to +125°C Package ...

Page 20

Page 21

Note the following details of the code protection feature on Microchip devices: • Microchip products meet the specification contained in their particular Microchip Data Sheet. • Microchip believes that its family of products is one of the most secure families ...

Page 22

W ORLDWIDE AMERICAS ASIA/PACIFIC Corporate Office Asia Pacific Office 2355 West Chandler Blvd. Suites 3707-14, 37th Floor Chandler, AZ 85224-6199 Tower 6, The Gateway Tel: 480-792-7200 Habour City, Kowloon Fax: 480-792-7277 Hong Kong Technical Support: Tel: 852-2401-1200 http://support.microchip.com Fax: 852-2401-3431 ...

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