Datasheet > LM3753

LM3753

更新时间： 2024-09-19 02:58:35

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
49页	1951K
描述
LM3753 Scalable 2-Phase Synchronous Buck Controller with Integrated FET Drivers and Linear Regulator Controller

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LM3753 数据手册

LM3753

www.ti.com

SNVS614B –DECEMBER 2009–REVISED MARCH 2013

LM3753 Scalable 2-Phase Synchronous Buck Controller with Integrated FET Drivers and

Linear Regulator Controller

Check for Samples: LM3753

FEATURES

APPLICATIONS

•

Wide Input Voltage Range of 4.5V to 18V

Up to 12 Channels for 300A Load

•

CPUs, GPUs (graphic cards), ASICs, FPGAs,

Large Memory Arrays, DDR

•

High Current POL Converters

Networking Systems

System Accuracy Better Than 1%

0.6V to 3.6V Output Voltage Range

Switching Frequency From 200 kHz to 1 MHz

Power Distribution Systems

Telecom/Datacom DC/DC Converters

Desktops, Servers and Workstations

Phase Current Sharing ±12% Max Over

Temperature

•

Integrated 4.35V ±2.3% LDO

DESCRIPTION

Not Recommended for New Designs — See

LM3754

Inductor DCR or Sense Resistor Current

Sensing

•

Interleaved Switching for Low I/O Ripple

Current

The LM3753 is a full featured single-output dual-

phase voltage-mode synchronous PWM buck

controller. It can be configured to control from 2 to 12

interleaved power stages creating a single high power

output. This controller utilizes voltage-mode control

with input voltage feed-forward for high noise

immunity. An internal average current loop forces real

time current sharing between phases during load

transients.

•

Integrated Synchronous NFET Drivers

Dedicated Tracking Function

Output Voltage Differential Remote Sensing

Minimum Controllable On-Time of Only 50 ns

Programmable Enable and Input UVLO

Power Good Flag

OVP, UVP and Hiccup Over-Current Protection

The LM3753 supports a Tracking function, so the

output is controlled both up and down. This allows the

output voltage to follow a system supply through the

use of the TRACK pin. Available in the 5 mm x 5 mm

thermally enhanced 32-lead WQFN package with a

thermal pad.

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...49

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与LM3753相关器件

型号	品牌	获取价格	描述	数据表
LM3753_1	NSC	获取价格	Evaluation Board evaluation board is designed to provide
LM3753SQ	NSC	获取价格	Scalable 2-Phase Synchronous Buck Controllers with Integrated FET Drivers and Linear Regul
LM3753SQ/NOPB	TI	获取价格	Scalable 2-Phase Synchronous Buck Controllers with Integrated FET Drivers & Linear
LM3753SQX	NSC	获取价格	Scalable 2-Phase Synchronous Buck Controllers with Integrated FET Drivers and Linear Regul
LM3754	NSC	获取价格	Evaluation Board evaluation board is designed to provide
LM3754	TI	获取价格	Scalable 2-Phase Synchronous Buck Controller with Integrated FET Drivers and Linear Regula
LM3754_15	TI	获取价格	Scalable 2-Phase Synchronous Buck Controller with Integrated FET Drivers and Linear Regula
LM3754SQ	NSC	获取价格	Scalable 2-Phase Synchronous Buck Controllers with Integrated FET Drivers and Linear Regul
LM3754SQ/NOPB	TI	获取价格	Scalable 2-Phase Synchronous Buck Controller with Integrated FET Drivers and Linear Regula
LM3754SQX	NSC	获取价格	Scalable 2-Phase Synchronous Buck Controllers with Integrated FET Drivers and Linear Regul

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