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LTC3706EGN#PBF

更新时间： 2024-11-09 12:58:23
品牌 Logo 应用领域
凌特 - Linear 控制器
页数 文件大小 规格书
20页 189K
描述
LTC3706 - Secondary-Side Synchronous Forward Controller with Polyphase Capability; Package: SSOP; Pins: 24; Temperature Range: -40°C to 85°C

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中文翻译

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LTC3706EGN#PBF 技术参数

是否Rohs认证：符合生命周期：Transferred
零件包装代码：SSOP包装说明：SSOP, SSOP24,.24
针数：24Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：3.39Is Samacsys：N
模拟集成电路 - 其他类型：SWITCHING CONTROLLER控制模式：CURRENT-MODE
控制技术：PULSE WIDTH MODULATION最大输入电压：30 V
最小输入电压：5 V标称输入电压：15 V
JESD-30 代码：R-PDSO-G24JESD-609代码：e3
长度：8.649 mm湿度敏感等级：1
功能数量：1端子数量：24
最高工作温度：85 °C最低工作温度：
标称输出电压：7 V封装主体材料：PLASTIC/EPOXY
封装代码：SSOP封装等效代码：SSOP24,.24
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, SHRINK PITCH
峰值回流温度（摄氏度）：260认证状态：Not Qualified
座面最大高度：1.75 mm子类别：Switching Regulator or Controllers
表面贴装：YES切换器配置：SINGLE
最大切换频率：353 kHz技术：CMOS
温度等级：OTHER端子面层：Matte Tin (Sn)
端子形式：GULL WING端子节距：0.635 mm
端子位置：DUAL处于峰值回流温度下的最长时间：30
宽度：3.899 mmBase Number Matches：1

LTC3706EGN#PBF 数据手册

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LTC3706  
Secondary-Side Synchronous  
Forward Controller with  
PolyPhase Capability  
DESCRIPTION  
The LTC®3706 is a PolyPhase capable secondary-side  
controllerforsynchronousforwardconverters.Whenused  
in conjunction with the LTC3705 gate driver and primary-  
side controller, the part creates a complete isolated power  
supply that combines the power of PolyPhase operation  
with the speed of secondary-side control.  
FEATURES  
n
Secondary-Side Control for Fast Transient Response  
n
Self-Starting Architecture Eliminates Need for  
Separate Bias Regulator  
n
Proprietary Gate Drive Encoding Scheme Reduces  
System Complexity  
PolyPhase® Operation Reduces C Requirements  
n
IN  
n
Current Mode Control Ensures Current Sharing  
The LTC3706 has been designed to simplify the design  
of highly efficient, secondary-side forward converters.  
Working in concert with the LTC3705, the LTC3706 forms  
a robust, self-starting converter that eliminates the need  
for the separate bias regulator that is commonly used in  
secondary-side control applications. In addition, a pro-  
prietary scheme is used to multiplex gate drive signals  
and DC bias power across the isolation barrier through a  
single, tiny pulse transformer.  
n
PLL Fixed Frequency: 100kHz to 500kHz  
n
1% Output Voltage Accuracy  
n
True Remote Sense Differential Amplifier  
n
Power Good Output Voltage Monitor  
n
High Voltage Linear Regulator Controller  
n
Wide Supply Range: 5V to 30V  
n
Available in a Narrow 24-Lead SSOP Package  
APPLICATIONS  
The LTC3706 provides remote sensing, accurate power  
goodandovervoltagemonitoringcircuitstosupportpreci-  
sion,highcurrentapplications.Alinearregulatorcontroller  
with thermal protection is also provided to simplify the  
generation of secondary-side bias voltage.  
n
Isolated 48V Telecommunication Systems  
n
Internet Servers and Routers  
n
Distributed Power Step-Down Converters  
Automotive and Heavy Equipment  
n
L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.  
PolyPhase is a registered trademark of Linear Technology Corporation.  
All other trademarks are the property of their respective owners.  
The LTC3706 is available in a 24-lead SSOP package.  
Protected by U.S. Patents including 6144194, other patents pending.  
TYPICAL APPLICATION  
36V-72V to 3.3V/20A Isolated Forward Converter  
+
+
V
V
OUT  
IN  
T1  
L1  
1.2μH  
•
•
Si7852DP  
1.2Ω  
MURS120  
Si7852DP  
Si7336ADP  
s2  
1μF  
100V  
s3  
330μF  
6.3V  
s3  
Si7336ADP  
MURS120  
CMPSH1-4  
2mΩ  
2W  
30mΩ  
1W  
10μF  
25V  
–
–
V
V
OUT  
IN  
CZT3019  
100k  
BAS21  
2.2μF  
16V  
102k  
1%  
FQT7N10  
L1: COILCRAFT SER2010-122  
T1: PULSE PA0807  
0.22μF  
T2: PULSE PA0297  
FG  
SW SG  
V
NDRV  
V
CC  
IN  
–
+
I
I
S
S
365k  
1%  
FS/SYNC  
1μF  
NDRV  
UVLO  
BOOST TG TS BG IS  
T2  
+
+
FB  
FB/IN  
PT  
•
•
LTC3706  
ITH  
680pF  
LTC3705  
V
CC  
2.2μF  
25V  
–
–
FS/IN  
PT  
SS/FLT  
22.6k  
1%  
RUN/SS GND PGND PHASE SLP MODE REGSD  
GND PGND VSLMT  
15k  
1%  
20k  
162k  
33nF  
33nF  
3706 TA01  
3706fb  
1
1234567...20

中文翻译

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LTC3706EGN#PBF 替代型号

型号 品牌 替代类型 描述 数据表
LTC3706IGN#PBF Linear

完全替代

 LTC3706 - Secondary-Side Synchronous Forward Controller with Polyphase Capability; Package

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