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LTC3726IGN PDF预览

LTC3726IGN

更新时间： 2024-09-26 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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中文翻译

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LTC3726IGN 数据手册

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LTC3726  
Secondary-Side Synchronous  
Forward Controller  
U
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 NaUrrow 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.  
U
TYPICAL APPLICATIO  
36V-72V to 3.3V/20A Isolated Forward Converter  
+
+
V
V
OUT  
IN  
T1  
L1  
1.2µH  
•
•
1.2Ω  
Si7852DP  
MURS120  
Si7852DP  
CMPSH1-4  
5k  
1µF  
100V  
x3  
330µF  
6.3V  
×3  
Si7336ADP  
MURS120  
Si7336ADP  
×2  
FZT690B  
2mΩ  
2W  
30mΩ  
1W  
10µF  
25V  
7.5V  
2.2µF  
–
–
V
V
OUT  
IN  
100k  
BAS21  
102k  
1%  
FQT7N10  
L1: COILCRAFT SER2010-122  
T1: PULSE PA0807  
0.22µF  
T2: PULSE PA0297  
FG  
SW SG  
V
CC  
–
+
I
I
S
S
365k  
1%  
FS/SYNC  
1µF  
NDRV  
UVLO  
BOOST TG TS BG IS  
T2  
+
+
FB/PHASE  
ITH  
FB/IN  
PT  
•
•
LTC3726  
680pF  
LTC3705  
V
CC  
2.2µF  
25V  
–
–
FS/IN  
PT  
SS/FLT  
22.6k  
1%  
GND  
PGND  
SLP  
MODE  
RUN/SS  
GND PGND VSLMT  
15k  
1%  
20k  
162k  
33nF  
33nF  
3726 TA01  
3726fb  
1
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中文翻译

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LTC3726IGN 替代型号

型号 品牌 替代类型 描述 数据表
LTC3726EGN#TRPBF Linear

完全替代

 LTC3726 - Secondary-Side Synchronous Forward Controller; Package: SSOP; Pins: 16; Temperat
LTC3726EGN#TR Linear

功能相似

 LTC3726 - Secondary-Side Synchronous Forward Controller; Package: SSOP; Pins: 16; Temperat
LTC3726IGN#TRPBF Linear

功能相似

 LTC3726 - Secondary-Side Synchronous Forward Controller; Package: SSOP; Pins: 16; Temperat

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LTC3726IGN#TR Linear

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LTC3726IGN#TRPBF Linear

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 		LTC3726 - Secondary-Side Synchronous Forward Controller; Package: SSOP; Pins: 16; Temperat
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