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UCC27423 Datasheet

Dual 4-A High Speed Low-Side MOSFET Drivers

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UCC27423, UCC27424, UCC27425
SLUS545E – NOVEMBER 2002 – REVISED DECEMBER 2015
UCC2742x Dual 4-A High Speed Low-Side MOSFET Drivers With Enable
1 Features
1 Industry-Standard Pin-Out
• Enable Functions for Each Driver
• High Current Drive Capability of ±4 A
• Unique BiPolar and CMOS True Drive Output
Stage Provides High Current at MOSFET Miller
Thresholds
• TTL/CMOS Compatible Inputs Independent of
Supply Voltage
• 20-ns Typical Rise and 15-ns Typical Fall Times
with 1.8-nF Load
• Typical Propagation Delay Times of 25 ns with
Input Falling and 35 ns with Input Rising
• 4-V to 15-V Supply Voltage
• Dual Outputs Can Be Paralleled for Higher Drive
Current
• Available in Thermally Enhanced MSOP
PowerPAD™ Package
• Rated From –40°C to 125°C
2 Applications
• Switch Mode Power Supplies
• DC/DC Converters
• Motor Controllers
• Line Drivers
• Class D Switching Amplifiers
3 Description
The UCC2742x family of high-speed dual MOSFET
drivers can deliver large peak currents into capacitive
loads. Three standard logic options are offered –
dual-inverting, dual-noninverting, and one-inverting
and one-noninverting driver. The thermally enhanced
8-pin PowerPAD™ MSOP package (DGN) drastically
lowers the thermal resistance to improve long-term
reliability. It is also offered in the standard SOIC-8 (D)
or PDIP-8 (P) packages.
Using a design that inherently minimizes shoot-
through current, these drivers deliver 4A of current
where it is needed most at the Miller plateau region
during the MOSFET switching transition. A unique
BiPolar and MOSFET hybrid output stage in parallel
also allows efficient current sourcing and sinking at
low supply voltages.
The UCC2742x provides enable (ENB) functions to
have better control of the operation of the driver
applications. ENBA and ENBB are implemented on
pins 1 and 8 which were previously left unused in the
industry standard pin-out. They are internally pulled
up to VDD for active high logic and can be left open
for standard operation.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
UCC27423
UCC27424
UCC27425
SOIC (8)
MSOP-PowerPAD (8)
PDIP (8)
4.90 mm × 3.91 mm
3.00 mm × 3.00 mm
9.81 mm × 6.35 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
Simplified Application Diagram
ENBB
ENBA
UCC2742x
1 ENBA
ENBB 8
INA
2 INA
OUTA 7
GND
INB
3 GND
VDD 6
4 INB
OUTB 5
V+
GND
GND
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.




etcTI

UCC27423 Datasheet Preview

UCC27423 Datasheet

Dual 4-A High Speed Low-Side MOSFET Drivers

No Preview Available !

UCC27423, UCC27424, UCC27425
SLUS545E – NOVEMBER 2002 – REVISED DECEMBER 2015
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Device Comparison Table..................................... 3
6 Pin Configuration and Functions ......................... 3
7 Specifications......................................................... 4
7.1 Absolute Maximum Ratings ...................................... 4
7.2 ESD Ratings.............................................................. 4
7.3 Recommended Operating Conditions....................... 4
7.4 Thermal Information .................................................. 4
7.5 Electrical Characteristics........................................... 5
7.6 Dissipation Ratings ................................................... 6
7.7 Typical Characteristics .............................................. 7
8 Detailed Description ............................................ 12
8.1 Overview ................................................................. 12
8.2 Functional Block Diagram ....................................... 12
8.3 Feature Description................................................. 12
8.4 Device Functional Modes........................................ 13
9 Application and Implementation ........................ 14
9.1 Application Information............................................ 14
9.2 Typical Application ................................................. 14
10 Power Supply Recommendations ..................... 19
11 Layout................................................................... 19
11.1 Layout Guidelines ................................................. 19
11.2 Layout Example .................................................... 20
11.3 Thermal Considerations ........................................ 20
12 Device and Documentation Support ................. 21
12.1 Device Support...................................................... 21
12.2 Documentation Support ........................................ 21
12.3 Related Links ........................................................ 21
12.4 Community Resources.......................................... 21
12.5 Trademarks ........................................................... 22
12.6 Electrostatic Discharge Caution ............................ 22
12.7 Glossary ................................................................ 22
13 Mechanical, Packaging, and Orderable
Information ........................................................... 22
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision D (May 2013) to Revision E
Page
• Added ESD Ratings table, Feature Description section, Device Functional Modes, Application and Implementation
section, Power Supply Recommendations section, Layout section, Device and Documentation Support section, and
Mechanical, Packaging, and Orderable Information section .................................................................................................. 1
Changes from Revision C (July 2011) to Revision D
Page
• Added Pin Functions table note.............................................................................................................................................. 3
• Added ABSOLUTE MAXIMUM RATINGS note...................................................................................................................... 4
• Added additional ENABLE pin description. .......................................................................................................................... 12
Changes from Revision B (November 2004) to Revision C
Page
• Changed temperature rating................................................................................................................................................... 1
• Changed ORDERING INFORMATION temperature range, three instances. ........................................................................ 1
• Changed Output current (OUTA, OUTB) DC from 0.3 A to 0.2 A.......................................................................................... 4
• Changed ELECTRICAL CHARACTERISTICS temperature rating. ....................................................................................... 5
• Changed Low-level output level from 40 mV max to 45 mV max. ......................................................................................... 5
2 Submit Documentation Feedback
Copyright © 2002–2015, Texas Instruments Incorporated
Product Folder Links: UCC27423 UCC27424 UCC27425


Part Number UCC27423
Description Dual 4-A High Speed Low-Side MOSFET Drivers
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