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LTC3639HMSE#PBF

更新时间： 2024-11-23 12:58:35
品牌 Logo 应用领域
凌特 - Linear 稳压器
页数 文件大小 规格书
24页 373K
描述
LTC3639 - High Efficiency, 150V 100mA Synchronous Step-Down Regulator; Package: MSOP; Pins: 16; Temperature Range: -40°C to 125°C

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中文翻译

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LTC3639HMSE#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：HTSSOP, TSSOP12/16,.19,20
针数：16Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.13其他特性：ADJUSTABLE OUTPUT MODE FROM 0.8 TO 150 V
模拟集成电路 - 其他类型：SWITCHING REGULATOR控制模式：VOLTAGE-MODE
最大输入电压：150 V最小输入电压：4 V
标称输入电压：12 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：0.26 A
封装主体材料：PLASTIC/EPOXY封装代码：HTSSOP
封装等效代码：TSSOP12/16,.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）：NOT SPECIFIED
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 mmBase Number Matches：1

LTC3639HMSE#PBF 数据手册

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LTC3639  
High Efficiency, 150V  
100mA Synchronous  
Step-Down Regulator  
FeaTures  
DescripTion  
The LTC®3639 is a high efficiency step-down DC/DC  
regulator with internal high side and synchronous power  
switches that draws only 12μA typical DC supply current  
while maintaining a regulated output voltage at no load.  
n
Wide Operating Input Voltage Range: 4V to 150V  
n
Synchronous Operation for Highest Efficiency  
n
Internal High Side and Low Side Power MOSFETs  
n
No Compensation Required  
n
Adjustable 10mA to 100mA Maximum Output  
The LTC3639 can supply up to 100mA load current and  
features a programmable peak current limit that provides  
a simple method for optimizing efficiency and for reduc-  
ing output ripple and component size. The LTC3639’s  
combination of Burst Mode® operation, integrated power  
switches, low quiescent current, and programmable peak  
current limit provides high efficiency over a broad range  
of load currents.  
Current  
n
Low Dropout Operation: 100% Duty Cycle  
n
Low Quiescent Current: 12µA  
Wide Output Range: 0.8V to V  
n
IN  
n
n
n
n
n
n
n
0.8V 1% Feedback Voltage Reference  
Precise RUN Pin Threshold  
Internal or External Soft-Start  
Programmable 1.8V, 3.3V, 5V or Adjustable Output  
Few External Components Required  
Programmable Input Overvoltage Lockout  
Thermally Enhanced High Voltage MSOP Package  
Withitswideinputrangeof4Vto150Vandprogrammable  
overvoltage lockout, the LTC3639 is a robust regulator  
suitedforregulatingfromawidevarietyofpowersources.  
Additionally, theLTC3639includesaprecise runthreshold  
and soft-start feature to guarantee that the power system  
start-up is well-controlled in any environment. A feedback  
comparator output enables multiple LTC3639s to be con-  
nected in parallel for higher current applications.  
applicaTions  
n
Industrial Control Supplies  
n
Medical Devices  
n
Distributed Power Systems  
The LTC3639 is available in a thermally enhanced high  
voltage-capable16-leadMSEpackagewithfourmissingpins.  
L, LT, LTC, LTM, Burst Mode, Linear Technology and the Linear logo are registered trademarks  
of Linear Technology Corporation. All other trademarks are the property of their respective  
owners.  
n
Portable Instruments  
n
Battery-Operated Devices  
n
Automotive  
Avionics  
n
Typical applicaTion  
Efficiency and Power Loss vs Load Current  
100  
V
= 5V  
OUT  
EFFICIENCY  
90  
80  
70  
60  
50  
40  
30  
20  
10  
0
5V to 150V Input to 5V Output, 100mA Step-Down Regulator  
1000  
100  
10  
470µH  
V
OUT  
V
IN  
V
IN  
V
IN  
V
IN  
V
IN  
= 12V  
= 36V  
= 72V  
= 150V  
5V  
V
SW  
LTC3639  
IN  
5V TO 150V  
1µF  
200V  
100mA  
10µF  
RUN  
V
FB  
OVLO  
SS  
POWER LOSS  
V
PRG2  
V
PRG1  
GND  
3639 TA01a  
1
0.1  
1
10  
100  
LOAD CURRENT (mA)  
3639 TA01b  
3639f  
1
For more information www.linear.com/LTC3639  
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