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LT3480IDD#TR PDF预览

LT3480IDD#TR

更新时间： 2024-09-25 13:09:39
品牌 Logo 应用领域
凌特 - Linear 调节器
页数 文件大小 规格书
24页 293K
描述
IC 4 A SWITCHING REGULATOR, 2700 kHz SWITCHING FREQ-MAX, PDSO10, 3 X 3 MM, PLASTIC, MO-229WEED-2, DFN-10, Switching Regulator or Controller

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LT3480IDD#TR 技术参数

是否无铅：含铅是否Rohs认证：不符合
生命周期：Transferred零件包装代码：SON
包装说明：HVSON, SOLCC10,.12,20针数：10
Reach Compliance Code：not_compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.09
Is Samacsys：N其他特性：ALSO OPERATES IN ADJUSTABLE MODE FROM 0.79 TO 20V
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：36 V
最小输入电压：3.6 V标称输入电压：10 V
JESD-30 代码：S-PDSO-N10JESD-609代码：e0
长度：3 mm湿度敏感等级：1
功能数量：1端子数量：10
最高工作温度：125 °C最低工作温度：-40 °C
最大输出电流：4 A封装主体材料：PLASTIC/EPOXY
封装代码：HVSON封装等效代码：SOLCC10,.12,20
封装形状：SQUARE封装形式：SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度（摄氏度）：235认证状态：Not Qualified
座面最大高度：0.8 mm子类别：Switching Regulator or Controllers
表面贴装：YES切换器配置：BUCK
最大切换频率：2700 kHz温度等级：AUTOMOTIVE
端子面层：Tin/Lead (Sn/Pb)端子形式：NO LEAD
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：20宽度：3 mm
Base Number Matches：1

LT3480IDD#TR 数据手册

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LT3645  
36V 500mA Step-Down  
Regulator and 200mA LDO  
FEATURES  
DESCRIPTION  
TheLT®3645isadualoutputregulatorcombininga500mA  
buck regulator and a 200mA low dropout linear regula-  
tor (LDO). The wide input voltage range of 3.6V to 36V  
makes the LT3645 suitable for regulating power from a  
wide variety of sources, including 24V industrial supplies  
and automotive batteries. Its high operating frequency  
allows the use of tiny, low cost inductors and capacitors,  
resulting in a very small solution.  
n
Wide Input Range:  
Operation from 3.6V to 36V  
Overvoltage Lockout Protects Circuit Through  
55V Transients on Input  
n
500mA Output Current Switching Regulator  
n
High Switching Frequency: 750kHz  
n
200mA Low Dropout Linear Regulator  
1.2V to 16V Input; 0.8V to 8V Output  
310mV Dropout Voltage V  
to OUT2  
CC2  
Cycle-by-cycle current limit and frequency foldback pro-  
vide protection against shorted outputs. Soft-start and  
frequency foldback eliminate input current surge during  
start-up.  
n
n
n
n
n
Precision Programmable Undervoltage Lockout  
Short-Circuit Robust  
Internal Soft-Start  
<2μA Shutdown Current  
ThelinearregulatoroperatesfromtheV pinatvoltages  
Small Thermally Enhanced 16-Lead (3mm × 3mm)  
QFN and 12-Lead MSE Packages  
CC2  
down to 1.2V. It supplies 200mA of output current with a  
typical dropout voltage of 310mV.  
Other features of the LT3645 include a <2μA shutdown,  
short circuit protection, soft-start and thermal shutdown.  
The LT3645 is available in the thermally enhanced 16-lead  
(3mm × 3mm) QFN package, or a 12-lead MSE package.  
L, LT, LTC, LTM, Linear Technology, Burst Mode and the Linear logo are registered trademarks  
of Linear Technology Corporation. All other trademarks are the property of their respective  
owners.  
APPLICATIONS  
n
Automotive CMOS Image Sensors  
n
Industrial/Automotive Micro-Controller Supply  
TYPICAL APPLICATION  
Buck Regulator Efficiency  
3.3V/5V Step-Down Converter  
90  
0.1μF  
V
= 5V  
OUT  
BOOST  
15μH  
5V  
6.2V TO 36V  
SW  
V
IN  
300mA  
80  
70  
60  
50  
1μF  
LT3645  
V
OUT  
= 3.3V  
52.3k  
10k  
DA  
FB  
10μF  
ON OFF  
EN/UVLO  
NPG  
EN2  
V
PGOOD  
CC2  
V
= 12V  
3.3V  
200mA  
IN  
OUT2  
0
100  
300  
LOAD CURRENT (mA)  
400  
500  
200  
31.6k  
10k  
2.2μF  
FB2  
3645 TA01b  
GND  
3645 TA01a  
3645f  
1
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