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LT3511HMS#PBF

更新时间： 2024-11-25 20:02:23
品牌 Logo 应用领域
凌特 - Linear 开关光电二极管
页数 文件大小 规格书
26页 266K
描述
LT3511 - Monolithic High Voltage Isolated Flyback Converter; Package: MSOP; Pins: 16; Temperature Range: -40°C to 125°C

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中文翻译

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LT3511HMS#PBF 技术参数

是否Rohs认证： 符合生命周期：Transferred
零件包装代码：MSOP包装说明：TSSOP,
针数：16Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.14模拟集成电路 - 其他类型：SWITCHING REGULATOR
控制模式：CURRENT-MODE控制技术：PULSE WIDTH MODULATION
最大输入电压：100 V最小输入电压：6 V
标称输入电压：24 VJESD-30 代码：R-PDSO-G12
JESD-609代码：e3长度：4.039 mm
湿度敏感等级：1功能数量：1
端子数量：12最高工作温度：150 °C
最低工作温度：-40 °C最大输出电流：0.43 A
封装主体材料：PLASTIC/EPOXY封装代码：TSSOP
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）：NOT SPECIFIED认证状态：Not Qualified
座面最大高度：1.1 mm表面贴装：YES
切换器配置：BUCK-BOOST最大切换频率：650 kHz
技术：CMOS温度等级：AUTOMOTIVE
端子面层：Matte Tin (Sn)端子形式：GULL WING
端子节距：0.5 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：3 mm
Base Number Matches：1

LT3511HMS#PBF 数据手册

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LT3511  
Monolithic High Voltage  
Isolated Flyback Converter  
FEATURES  
DESCRIPTION  
n
4.5V to 100V Input Voltage Range  
TheLT®3511isahighvoltagemonolithicswitchingregula-  
tor specifically designed for the isolated flyback topology.  
No third winding or opto-isolator is required for regula-  
tion as the part senses output voltage directly from the  
primary-side flyback waveform. The device integrates a  
240mA, 150V power switch, high voltage circuitry, and  
control into a high voltage 16-lead MSOP package with  
four leads removed.  
n
Internal 240mA, 150V Power Switch  
n
Boundary Mode Operation  
n
No Transformer Third Winding or  
Opto-Isolator Required for Regulation  
n
Improved Primary-Side Winding Feedback  
Load Regulation  
n
V
Set with Two External Resistors  
OUT  
n
BIAS Pin for Internal Bias Supply and Power  
The LT3511 operates from an input voltage range of 4.5V  
to 100V and delivers up to 2.5W of isolated output power.  
Two external resistors and the transformer turns ratio  
easily set the output voltage. Off-the-shelf transformers  
are available for several applications. The high level of  
integrationandtheuseofboundarymodeoperationresults  
in a simple, clean, tightly regulated application solution to  
the traditionally tough problem of isolated power delivery.  
Switch Driver  
n
n
No External Start-Up Resistor  
16-Lead MSOP Package  
APPLICATIONS  
n
Isolated Telecom Power Supplies  
n
Isolated Auxiliary/Housekeeping Power Supplies  
L, LT, LTC, LTM, Burst Mode, Linear Technology and the Linear logo are registered trademarks  
n
Isolated Industrial, Automotive and Medical Power  
Supplies  
and No R  
is a trademark of Linear Technology Corporation. All other trademarks are the  
SENSE  
property of their respective owners. Protected by U.S. Patents, including 5438499, 7471522.  
TYPICAL APPLICATION  
48V to 5V Isolated Flyback Converter  
Output Load and Line Regulation  
5.25  
+
V
IN  
36V TO 72V  
V
5V  
0.3A  
OUT  
5.20  
5.15  
5.10  
5.05  
5.00  
4.95  
4.90  
4.85  
4.80  
4.75  
4:1  
1μF  
1M  
V
t
IN  
EN/UVLO  
300μH  
19μH  
22μF  
t
43.2k  
V
IN  
= 48V  
–
V
V
= 36V  
= 72V  
169k  
IN  
V
LT3511  
OUT  
R
FB  
R
REF  
10k  
IN  
T
SW  
C
VC  
GND BIAS  
69.8k  
16.9k  
3.3nF  
4.7μF  
0
50  
150  
200  
250  
300  
100  
3511 TA01a  
LOAD CURRENT (mA)  
3511 TA01b  
3511fc  
1
1234567...26

中文翻译

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