Datasheet > LM2724A

LM2724A

更新时间： 2024-10-28 11:06:39

品牌	Logo	应用领域
德州仪器 - TI		驱动驱动器 MOSFET驱动器
页数	文件大小	规格书
11页	696K
描述
高速 3A 同步 MOSFET 驱动器

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LM2724A 数据手册

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LM2724A

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SNVS242C –JUNE 2003–REVISED MARCH 2013

LM2724A High Speed 3A Synchronous MOSFET Driver

Check for Samples: LM2724A

FEATURES

DESCRIPTION

The LM2724A is a dual N-channel MOSFET driver

•

Shoot-Through Protection

which can drive both the top and bottom MOSFETs in

a push-pull structure simultaneously. The LM2724A

takes a logic input and splits it into two complimentary

signals with a typical 20ns dead time in between. The

built-in cross-conduction protection circuitry prevents

the top and bottom MOSFETs from turning on

simultaneously. With a bias voltage of 5V, the peak

sourcing and sinking current for each driver of the

LM2724A is about 3A. Input UVLO (Under-Voltage-

Lock-Out) ensures that all the driver outputs stay low

until the supply rail exceeds the power-on threshold

during system power on, or after the supply rail drops

below power-on threshold by a specified hysteresis

during system power down. The cross-conduction

protection circuitry detects both driver outputs and will

not turn on a driver until the other driver output is low.

The top gate voltage needed by the top MOSFET is

obtained through an external boot-strap structure.

When not switching, the LM2724A only draws up to

195µA from the 5V rail. The synchronization

operation of the bottom MOSFET can be disabled by

pulling the SYNC pin to ground.

Input Under-Voltage-Lock-Out

3A Peak Driving Current

195µA Quiescent Current

28V Input Voltage in Buck Configuration

SOIC-8 and WSON Packages

APPLICATIONS

•

High Current DC/DC Power Supplies

High Input Voltage Switching Regulators

Fast Transient Microprocessors

Notebook Computers

TYPICAL APPLICATION

V_IN(up to 28V)

1.5

+5V

.33mF

1mF

BOOT

V_CC

V_OUT

(to controller)

SYNC

GND

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.

All trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...11

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与LM2724A相关器件

型号	品牌	获取价格	描述	数据表
LM2724ALD	NSC	获取价格	High Speed 3A Synchronous MOSFET Driver
LM2724ALD/NOPB	TI	获取价格	3.2A HALF BRDG BASED MOSFET DRIVER, DSO8, LLP-8
LM2724ALDX	NSC	获取价格	High Speed 3A Synchronous MOSFET Driver
LM2724ALDX/NOPB	TI	获取价格	3.2A HALF BRDG BASED MOSFET DRIVER, DSO8, LLP-8
LM2724AM	NSC	获取价格	High Speed 3A Synchronous MOSFET Driver
LM2724AM/NOPB	ROCHESTER	获取价格	3.2 A HALF BRDG BASED MOSFET DRIVER, PDSO8, SO-8
LM2724AMX	NSC	获取价格	High Speed 3A Synchronous MOSFET Driver
LM2724AMX	TI	获取价格	High Speed 3A Synchronous MOSFET Driver 8-SOIC
LM2724AMX/NOPB	ROCHESTER	获取价格	3.2A HALF BRDG BASED MOSFET DRIVER, PDSO8, SO-8
LM2724AMX/NOPB	TI	获取价格	LM2724A High Speed 3A Synchronous MOSFET Driver

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