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LT3573EMSETRPBF PDF预览

LT3573EMSETRPBF

更新时间: 2024-02-19 15:27:44
品牌 Logo 应用领域
凌特 - Linear 转换器光电
页数 文件大小 规格书
26页 1060K
描述
Isolated Flyback Converter without an Opto-Coupler

LT3573EMSETRPBF 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:HTSSOP, TSSOP16,.19,20
针数:16Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.17模拟集成电路 - 其他类型:SWITCHING REGULATOR
控制模式:CURRENT-MODE最大输入电压:40 V
最小输入电压:3 V标称输入电压:12 V
JESD-30 代码:R-PDSO-G16JESD-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:16
最高工作温度:125 °C最低工作温度:-40 °C
最大输出电流:1.85 A封装主体材料:PLASTIC/EPOXY
封装代码:HTSSOP封装等效代码:TSSOP16,.19,20
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH
峰值回流温度(摄氏度):260认证状态:Not Qualified
座面最大高度:1.1 mm子类别:Switching Regulator or Controllers
表面贴装:YES切换器配置:BUCK-BOOST
最大切换频率:1000 kHz技术:BIPOLAR
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:30
宽度:3 mmBase Number Matches:1

LT3573EMSETRPBF 数据手册

 浏览型号LT3573EMSETRPBF的Datasheet PDF文件第2页浏览型号LT3573EMSETRPBF的Datasheet PDF文件第3页浏览型号LT3573EMSETRPBF的Datasheet PDF文件第4页浏览型号LT3573EMSETRPBF的Datasheet PDF文件第5页浏览型号LT3573EMSETRPBF的Datasheet PDF文件第6页浏览型号LT3573EMSETRPBF的Datasheet PDF文件第7页 
LT3573  
Isolated Flyback Converter  
without an Opto-Coupler  
Features  
Description  
The LT®3573 is a monolithic switching regulator specifi‑  
cally designed for the isolated flyback topology. No third  
winding or optoisolator is required for regulation. The  
part senses the isolated output voltage directly from the  
primary side flyback waveform. A 1.25A, 60V NPN power  
switch is integrated along with all control logic into a  
16‑lead MSOP package.  
n
3V to 40V Input Voltage Range  
n
1.25A, 60V Integrated NPN Power Switch  
n
Boundary Mode Operation  
n
No Transformer Third Winding or  
Optoisolator Required for Regulation  
n
Improved Primary-Side Winding Feedback  
Load Regulation  
n
V
Set with Two External Resistors  
OUT  
The LT3573 operates with input supply voltages from  
3V to 40V, and can deliver output power up to 7W with  
no external power devices.The LT3573 utilizes boundary  
mode operation to provide a small magnetic solution with  
improved load regulation.  
n
BIAS Pin for Internal Bias Supply and Power  
NPN Driver  
Programmable Soft‑Start  
n
n
n
Programmable Power Switch Current Limit  
Thermally Enhanced 16‑Lead MSOP  
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear  
Technology Corporation. All other trademarks are the property of their respective owners.  
Patents pending.  
applications  
n
Industrial, Automotive and Medical Isolated  
Power Supplies  
typical application  
5V Isolated Flyback Converter  
V
IN  
Load Regulation  
12V TO 24V  
B340A  
3
3:1  
+
10µF  
V
OUT  
2k  
24µH  
357k  
0.22µF  
5V, 0.7A  
V
IN  
2
1
2.6µH  
SHDN/UVLO  
47µF  
51.1k  
1N4148  
80.6k  
V
OUT  
R
FB  
0
V
IN  
= 24V  
LT3573  
R
REF  
V
IN  
= 12V  
TC  
6.04k  
–1  
–2  
–3  
R
ILIM  
SS  
SW  
VC  
GND TEST BIAS  
10k  
20k  
1nF  
400 600 800 1000 1200 1400  
(mA)  
28.7k  
0
200  
I
OUT  
4.7µF  
10nF  
3573 TA01b  
3573 TA01  
3573fb  

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