LTC3726

更新时间： 2024-11-11 05:43:55

品牌	Logo	应用领域
凌特 - Linear		控制器
页数	文件大小	规格书
16页	217K
描述
Secondary-Side Synchronous Forward Controller

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LTC3726 数据手册

LTC3726

Secondary-Side Synchronous

Forward Controller

DESCRIPTIO

FEATURES

The LTC^®3726 is a secondary-side controller for synchro-

nous forward converters. When used in conjunction with

the LTC3705/LTC3725 gate driver and primary-side con-

trollers, the part creates a complete isolated power supply

that combines the simplicity of OPTI-LOOP^®compensa-

tion with the speed of secondary-side control.

■

Secondary-Side Control for Fast Transient Response

■

Self-Starting Architecture Eliminates Need for

Separate Bias Regulator

■

Proprietary Gate Drive Encoding Scheme Reduces

System Complexity

■

Current Mode Control Ensures Current Sharing

■

PLL Fixed Frequency: 100kHz to 500kHz

±1% Output Voltage Accuracy

OPTI-LOOP Compensation

The LTC3726 has been designed to simplify the design of

highlyefficient,secondary-sideforwardconverters.Work-

inginconcertwiththeLTC3705orLTC3725,theLTC3726

forms a robust, self-starting converter that eliminates the

needfortheseparatebiasregulatorthatiscommonlyused

in secondary-side control applications. In addition, a pro-

prietaryschemeisusedtomultiplexgatedrivesignalsand

DC bias power across the isolation barrier through a

single, tiny pulse transformer.

■

^{Available in a Na}U^{rrow 16-Lead SSOP Package}

APPLICATIO S

■

Isolated 48V Telecommunication Systems

■

Internet Servers and Routers

■

Distributed Power Step-Down Converters

■

Automotive and Heavy Equipment

The LTC3726 is available in a 16-lead SSOP package.

, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.

OPTI-LOOP is a registered trademark of Linear Technology Corporation.

All other trademarks are the property of their respective owners.

Protected by U.S. Patents, including 6144194. Other patents pending.

TYPICAL APPLICATIO

36V-72V to 3.3V/20A Isolated Forward Converter

OUT

1.2µH

•

1.2Ω

Si7852DP

MURS120

Si7852DP

CMPSH1-4

1µF

100V

330µF

6.3V

×3

Si7336ADP

MURS120

Si7336ADP

×2

FZT690B

2mΩ

30mΩ

10µF

25V

7.5V

2.2µF

–

OUT

100k

BAS21

102k

FQT7N10

L1: COILCRAFT SER2010-122

T1: PULSE PA0807

0.22µF

T2: PULSE PA0297

SW SG

–

365k

FS/SYNC

1µF

NDRV

UVLO

BOOST TG TS BG IS

FB/PHASE

ITH

FB/IN

•

LTC3726

680pF

LTC3705

2.2µF

25V

–

FS/IN

SS/FLT

22.6k

GND

PGND

SLP

MODE

RUN/SS

GND PGND VSLMT

15k

20k

162k

33nF

3726 TA01

3726fb

12 3 4 5 6 7...16

中文翻译

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与LTC3726相关器件

型号	品牌	获取价格	描述	数据表
LTC3726EGN	Linear	获取价格	Secondary-Side Synchronous Forward Controller
LTC3726EGN#PBF	Linear	获取价格	LTC3726 - Secondary-Side Synchronous Forward Controller; Package: SSOP; Pins: 16; Temperat
LTC3726EGN#TR	Linear	获取价格	LTC3726 - Secondary-Side Synchronous Forward Controller; Package: SSOP; Pins: 16; Temperat
LTC3726EGN#TRPBF	Linear	获取价格	LTC3726 - Secondary-Side Synchronous Forward Controller; Package: SSOP; Pins: 16; Temperat
LTC3726IGN	Linear	获取价格	Secondary-Side Synchronous Forward Controller
LTC3726IGN#TR	Linear	获取价格	LTC3726 - Secondary-Side Synchronous Forward Controller; Package: SSOP; Pins: 16; Temperat
LTC3726IGN#TRPBF	Linear	获取价格	LTC3726 - Secondary-Side Synchronous Forward Controller; Package: SSOP; Pins: 16; Temperat
LTC3727	Linear	获取价格	High Efficiency, 2-Phase Synchronous Step-Down Switching Regulators
LTC3727	ADI	获取价格	高效率、两相同步降压型开关稳压器
LTC3727_15	Linear	获取价格	High Efficiency, 2-Phase Synchronous Step-Down Switching Regulators

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