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LT3502AEDC#TRM PDF预览

LT3502AEDC#TRM

更新时间: 2024-11-04 12:58:43
品牌 Logo 应用领域
凌特 - Linear 稳压器
页数 文件大小 规格书
24页 387K
描述
IC 1.1 A SWITCHING REGULATOR, 2800 kHz SWITCHING FREQ-MAX, PDSO10, 2 X 2 MM, PLASTIC, DFN-10, Switching Regulator or Controller

LT3502AEDC#TRM 技术参数

是否无铅:含铅是否Rohs认证:不符合
生命周期:Obsolete零件包装代码:DFN
包装说明:2 X 2 MM, PLASTIC, DFN-10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:40 V最小输入电压:3 V
标称输入电压:10 VJESD-30 代码:S-PDSO-N10
JESD-609代码:e0长度:2 mm
湿度敏感等级:1功能数量:1
端子数量:10最大输出电流:1.1 A
封装主体材料:PLASTIC/EPOXY封装代码:HVSON
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表面贴装:YES
切换器配置:BUCK最大切换频率:2800 kHz
端子面层:TIN LEAD端子形式:NO LEAD
端子节距:0.45 mm端子位置:DUAL
处于峰值回流温度下的最长时间:20宽度:2 mm
Base Number Matches:1

LT3502AEDC#TRM 数据手册

 浏览型号LT3502AEDC#TRM的Datasheet PDF文件第2页浏览型号LT3502AEDC#TRM的Datasheet PDF文件第3页浏览型号LT3502AEDC#TRM的Datasheet PDF文件第4页浏览型号LT3502AEDC#TRM的Datasheet PDF文件第5页浏览型号LT3502AEDC#TRM的Datasheet PDF文件第6页浏览型号LT3502AEDC#TRM的Datasheet PDF文件第7页 
LT3502/LT3502A  
1.1MHz/2.2MHz, 500mA  
Step-Down Regulators in  
2mm × 2mm DFN and MS10  
DESCRIPTION  
FEATURES  
The LT®3502/LT3502A are current mode PWM step-down  
DC/DC converters with an internal 500mA power switch,  
in tiny 8-lead 2mm × 2mm DFN and 10-lead MS10  
packages.Thewideinputvoltagerangeof3Vto40Vmakes  
the LT3502/LT3502A 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. Constant frequency  
abovetheAMbandavoidsinterferingwithradioreception,  
making the LT3502A particularly suitable for automotive  
applications.  
3V to 40V Input Voltage Range  
500mA Output Current  
Switching Frequency: 2.2MHz (LT3502A),  
1.1MHz (LT3502)  
800mV Feedback Voltage  
Short-Circuit Robust  
Soft-Start  
Low Shutdown Current: <2μA  
Internally Compensated  
Internal Boost Diode  
Thermally Enhanced 2mm × 2mm 8-Lead DFN  
and 10-lead MS10 Package  
Cycle-by-cycle current limit and frequency foldback  
provide protection against shorted outputs. Soft-start  
and frequency foldback eliminates input current surge  
duringstart-up. DAcurrentsenseprovidesfurtherprotec-  
tion in fault conditions. An internal boost diode reduces  
component count.  
APPLICATIONS  
Automotive Systems  
Battery-Powered Equipment  
Wall Transformer Regulation  
Distributed Supply Regulation  
L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.  
All other trademarks are the property of their respective owners.  
TYPICAL APPLICATION  
LT3502A 12VIN Efficiency  
3.3V Step-Down Converter  
90  
80  
BD  
5V  
3.3V  
OUT  
V
OUT  
IN  
V
BOOST  
SW  
IN  
70  
60  
50  
40  
30  
20  
10  
4.7V TO 40V  
1μF  
0.1μF  
6.8μH  
31.6k  
V
OUT  
3.3V  
500mA  
LT3502A  
DA  
FB  
SHDN  
OFF ON  
GND  
10k  
10μF  
3502 TA01a  
0
0
0.4  
0.5  
0.1  
0.2  
0.3  
LOAD CURRENT (A)  
3502 TA01b  
3502fc  
1

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