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LT8301ES5#TRPBF

更新时间： 2024-02-04 11:56:26
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
24页 260K
描述
LT8301 - 42VIN Micropower No-Opto Isolated Flyback Converter with 65V/1.2A Switch; Package: SOT; Pins: 5; Temperature Range: -40°C to 85°C

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LT8301ES5#TRPBF 技术参数

是否Rohs认证： 符合生命周期：Transferred
零件包装代码：SOT包装说明：VSSOP,
针数：5Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.65其他特性：BY USING THE DIFFERENT TRANSFORMERS WE CAN CONFIGURE THE DEVICE TO EITHER BUCK OR BOOST
模拟集成电路 - 其他类型：SWITCHING REGULATOR控制模式：CURRENT-MODE
最大输入电压：42 V最小输入电压：2.7 V
标称输入电压：5 VJESD-30 代码：R-PDSO-G5
JESD-609代码：e3长度：2.9 mm
功能数量：1端子数量：5
最高工作温度：125 °C最低工作温度：-40 °C
最大输出电流：1.55 A封装主体材料：PLASTIC/EPOXY
封装代码：VSSOP封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH峰值回流温度（摄氏度）：NOT SPECIFIED
座面最大高度：1 mm表面贴装：YES
切换器配置：BUCK-BOOST最大切换频率：10.6 kHz
温度等级：AUTOMOTIVE端子面层：Matte Tin (Sn)
端子形式：GULL WING端子节距：0.95 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：1.625 mmBase Number Matches：1

LT8301ES5#TRPBF 数据手册

 浏览型号LT8301ES5#TRPBF的Datasheet PDF文件第2页浏览型号LT8301ES5#TRPBF的Datasheet PDF文件第3页浏览型号LT8301ES5#TRPBF的Datasheet PDF文件第4页浏览型号LT8301ES5#TRPBF的Datasheet PDF文件第5页浏览型号LT8301ES5#TRPBF的Datasheet PDF文件第6页浏览型号LT8301ES5#TRPBF的Datasheet PDF文件第7页 
LT8301  
42V Micropower No-Opto  
IN  
Isolated Flyback Converter  
with 65V/1.2A Switch  
FEATURES  
DESCRIPTION  
The LT®8301 is a micropower isolated flyback converter.  
By sampling the isolated output voltage directly from  
the primary-side flyback waveform, the part requires no  
third winding or opto-isolator for regulation. The output  
voltage is programmed with a single external resistor. In-  
ternalcompensationandsoft-startfurtherreduceexternal  
component count. Boundary mode operation provides a  
small magnetic solution with excellent load regulation.  
LowrippleBurstModeoperationmaintainshighefficiency  
at light load while minimizing the output voltage ripple. A  
1.2A, 65V DMOS power switch is integrated along with  
all high voltage circuitry and control logic into a 5-lead  
ThinSOT™ package.  
n
2.7V to 42V Input Voltage Range  
n
1.2A, 65V Internal DMOS Power Switch  
n
Low Quiescent Current:  
100µA in Sleep Mode  
350µA in Active Mode  
n
Boundary Mode Operation at Heavy Load  
Low-Ripple Burst Mode® Operation at Light Load  
Minimum Load <0.5% (Typ) of Full Output  
n
n
n
V
Set with a Single External Resistor  
OUT  
n
No Transformer Third Winding or Opto-Isolator  
Required for Regulation  
n
n
n
n
Accurate EN/UVLO Threshold and Hysteresis  
Internal Compensation and Soft-Start  
Output Short-Circuit Protection  
The LT8301 operates from an input voltage range of 2.7V  
to 42V and can deliver up to 6W of isolated output power.  
The high level of integration and the use of boundary  
and low ripple burst modes result in a simple to use, low  
componentcount, andhighefficiencyapplicationsolution  
for isolated power delivery.  
5-Lead TSOT-23 Package  
APPLICATIONS  
n
Isolated Telecom, Automotive, Industrial, Medical  
Power Supplies  
n
Isolated Auxiliary/Housekeeping Power Supplies  
L, LT, LTC, LTM, Linear Technology, the Linear logo and Burst Mode are registered trademarks  
and ThinSOT is a trademark of Linear Technology Corporation. All other trademarks are the  
property of their respective owners. Protected by U.S. Patents, including 5438499, 7463497,  
and 7471522.  
TYPICAL APPLICATION  
Efficiency vs Load Current  
90  
2.7V to 36VIN/5VOUT Micropower Isolated Flyback Converter  
+
85  
80  
75  
70  
65  
60  
V
V
OUT  
IN  
3:1  
5V  
2.7V TO 36V  
6mA TO 0.40A (V = 5V)  
10µF  
IN  
IN  
IN  
•
6mA TO 0.70A (V = 12V)  
40µH  
154k  
4.4µH  
100µF  
V
IN  
6mA TO 1.00A (V = 24V)  
•
6mA TO 1.15A (V = 36V)  
IN  
EN/UVLO  
SW  
–
LT8301  
GND  
V
OUT  
8301 TA01a  
R
FB  
V
IN  
V
IN  
V
IN  
V
IN  
= 5V  
= 12V  
= 24V  
= 36V  
0
0.4  
0.6  
0.8  
1.0  
1.2  
0.2  
LOAD CURRENT (A)  
8301 TA01b  
8301f  
1
For more information www.linear.com/LT8301  
1234567...24

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