Datasheet > LM2726MX/NOPB

LM2726MX/NOPB

更新时间： 2024-10-29 02:58:47

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描述
LM2725/LM2726 High Speed Synchronous MOSFET Drivers

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数据手册
替代型号

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LM2726MX/NOPB 数据手册

LM2725, LM2726

www.ti.com

SNVS144D –NOVEMBER 2000–REVISED MARCH 2013

LM2725/LM2726 High Speed Synchronous MOSFET Drivers

Check for Samples: LM2725, LM2726

FEATURES

DESCRIPTION

The LM2725/LM2726 is a family of dual MOSFET

drivers that drive both the top MOSFET and bottom

MOSFET in a push-pull structure simultaneously. It

takes a logic level PWM input and splits it into two

complimentary signals with a typical 20ns dead time

in between. The built-in shoot-through protection

circuitry prevents the top and bottom FETs from

turning on simultaneously. With a bias voltage of 5V,

the peak sourcing and sinking current for each driver

of the LM2725 is about 1.2A and that of the LM2726

is about 3A. In an SOIC-8 package, each driver is

able to handle 50mA average current. When EN

signal is asserted the 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 the driver outputs and

will not turn on a driver until the other driver output is

low. The top gate bias voltage needed by the top

MOSFET can be obtained through an external

bootstrap structure. Minimum input pulse width is as

low as 55ns.

•

High Peak Output Current

Adaptive Shoot-Through Protection

36V SW Pin Absolute Maximum Voltage

Input Under-Voltage-Lock-Out

Typical 20ns Internal Delay

Plastic 8-pin SOIC Package

APPLICATIONS

•

High Current DC/DC Power Supplies

High Input Voltage Switching Regulators

Microprocessors

Typical Application

Note: for ultra low-frequency operation (such as

skip mode at light load), D₁should be a fast

recovery type diode instead of a Schottky.

D₁

V_in(up to 35V)

C_in

LM2725/ LM2726

C₁

C₂

0.1U

Q₁

VCC CBOOT

L₁

V_out

PWM

SIGNAL

PWM_IN

GND

C_out

Q₂

U₁

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...16

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LM2726MX/NOPB 替代型号

型号	品牌	替代类型	描述	数据表
LM2726MX	TI	完全替代	LM2725/LM2726 High Speed Synchronous MOSFET Drivers
LM2726M/NOPB	TI	类似代替	High Speed Synchronous MOSFET Driver 8-SOIC
NCP3420DR2G	ONSEMI	功能相似	MOSFET Driver with Dual Outputs for Synchronous Buck Converters

与LM2726MX/NOPB相关器件

型号	品牌	获取价格	描述	数据表
LM2727	TI	获取价格	LM2727/LM2737 N-Channel FET Synchronous Buck Regulator Controller
LM2727	NSC	获取价格	N-Channel FET Synchronous Buck Regulator Controller for Low Output Voltages
LM2727_16	TI	获取价格	LM2727/LM2737 N-Channel FET Synchronous Buck Regulator Controller for Low Output Voltages
LM2727MTC	TI	获取价格	LM2727/LM2737 N-Channel FET Synchronous Buck Regulator Controller for Low Output
LM2727MTC/NOPB	TI	获取价格	2.2 - 16V input, 2MHz, N-Channel FET synchronous buck controller w output over V &
LM2727MTC/NOPB	NSC	获取价格	IC SWITCHING CONTROLLER, 2000 kHz SWITCHING FREQ-MAX, PDSO14, PLASTIC, TSSOP-14, Switching
LM2727MTCX	TI	获取价格	LM2727/LM2737 N-Channel FET Synchronous Buck Regulator Controller for Low Output
LM2727MTCX/NOPB	NSC	获取价格	IC SWITCHING CONTROLLER, 2000 kHz SWITCHING FREQ-MAX, PDSO14, PLASTIC, TSSOP-14, Switching
LM2727MTCX/NOPB	TI	获取价格	LM2727/LM2737 N-Channel FET Synchronous Buck Regulator Controller for Low Output Voltages
LM272D	STMICROELECTRONICS	获取价格	DUAL POWER OPERATIONAL AMPLIFIER

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