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UCC27425

更新时间： 2024-11-03 22:41:47

品牌	Logo	应用领域
德州仪器 - TI		驱动器
页数	文件大小	规格书
24页	383K
描述
DUAL 4-A HIGH SPEED LOW SIDE MOSFET DRIVERS WITH ENABLE

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UCC27425 数据手册

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SLUS545B − NOVEMBER 2002 − REVISED NOVEMBER 2004

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FEATURES

DESCRIPTION

Industry-Standard Pin-Out

Enable Functions for Each Driver

High Current Drive Capability of 4 A

The UCC27423/4/5 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

Unique BiPolar and CMOS True Drive Output

Stage Provides High Current at MOSFET

Miller Thresholds

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.

TTL/CMOS Compatible Inputs Independent of

Supply Voltage

20-ns Typical Rise and 15-ns Typical Fall

Times with 1.8-nF Load

Using a design that inherently minimizes shoot-through

current, these drivers deliver 4-A 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.

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

The UCC27423/4/5 provides enable (ENBL) 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.

PowerPAD

Package with 4.7°C/W θjc

Rated From –40°C to 105°C

APPLICATIONS

Switch Mode Power Supplies

DC/DC Converters

BLOCK DIAGRAM

Motor Controllers

Line Drivers

ENBB

Class D Switching Amplifiers

ENBA

INVERTING

OUTA

VDD

INA

NON−INVERTING

INVERTING

GND

OUTB

INB

NON−INVERTING

UDG−01063

PowerPADt is a trademark of Texas Instruments Incorporated.

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments

semiconductor products and disclaimers thereto appears at the end of this data sheet.

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www.ti.com

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中文翻译

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UCC27425 替代型号

型号	品牌	替代类型	描述	数据表
UCC27525	TI	功能相似	Dual 5-A High-Speed Low-Side Gate Driver

与UCC27425相关器件

型号	品牌	获取价格	描述	数据表
UCC27425D	TI	获取价格	DUAL 4-A HIGH SPEED LOW SIDE MOSFET DRIVERS WITH ENABLE
UCC27425DG4	TI	获取价格	Dual 4-A High Speed Low-Side MOSFET Drivers With Enable
UCC27425DGN	TI	获取价格	DUAL 4-A HIGH SPEED LOW SIDE MOSFET DRIVERS WITH ENABLE
UCC27425DGNG4	TI	获取价格	Dual 4-A High Speed Low-Side MOSFET Drivers With Enable
UCC27425DGNR	TI	获取价格	Dual 4-A High Speed Low-Side MOSFET Drivers With Enable
UCC27425DGNRG4	TI	获取价格	Dual 4-A High Speed Low-Side MOSFET Drivers With Enable
UCC27425DP	TI	获取价格	3A 2 CHANNEL, BUF OR INV BASED MOSFET DRIVER, PDSO16, POWER, PLASTIC, SOIC-16
UCC27425DR	TI	获取价格	Dual 4-A High Speed Low-Side MOSFET Drivers With Enable
UCC27425DRG4	TI	获取价格	Dual 4-A High Speed Low-Side MOSFET Drivers With Enable
UCC27425-DW	TI	获取价格	3A 2 CHANNEL, BUF OR INV BASED MOSFET DRIVER, PDSO16, SOIC-16

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