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LTC3531EDD-3#TR PDF预览

LTC3531EDD-3#TR

更新时间： 2024-09-23 13:09:47
品牌 Logo 应用领域
凌特 - Linear 转换器
页数 文件大小 规格书
16页 694K
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LTC3531EDD-3#TR 数据手册

 浏览型号LTC3531EDD-3#TR的Datasheet PDF文件第2页浏览型号LTC3531EDD-3#TR的Datasheet PDF文件第3页浏览型号LTC3531EDD-3#TR的Datasheet PDF文件第4页浏览型号LTC3531EDD-3#TR的Datasheet PDF文件第5页浏览型号LTC3531EDD-3#TR的Datasheet PDF文件第6页浏览型号LTC3531EDD-3#TR的Datasheet PDF文件第7页 
LTC3531/  
LTC3531-3.3/LTC3531-3  
200mA Buck-Boost  
Synchronous DC/DC  
Converters  
U
FEATURES  
DESCRIPTIO  
■
Regulated Output with Input Above, Below or Equal  
The LTC®3531/LTC3531-3.3/LTC3531-3 are synchronous  
buck-boost DC/DC converters that operate from input  
voltages above, below or equal to the output voltage. The  
topology incorporated in the ICs provides a continuous  
transfer through all operating modes, making the product  
ideal for single cell Li-Ion and multicell alkaline or nickel  
applications. The converters operate in Burst Mode, mini-  
mizing solution footprint and component count as well as  
providing high conversion efficiency over a wide range of  
load currents.  
to the Output  
■
Single Inductor  
■
Up to 90% Efficiency  
■
V Range: 1.8V to 5.5V  
IN  
■
■
■
■
■
■
200mA at 3.3V  
from 3.6V Input  
OUT  
125mA at 3V  
from 2.5V Input  
OUT  
Fixed V  
Versions (TSOT, DFN): 3.3V, 3V  
OUT  
Adjustable V  
Version (DFN): 2V to 5V  
OUT  
Burst Mode® Operation, No External Compensation  
Ultra Low Quiescent Current: 16μA, Shutdown  
Current <1μA  
Thedevicesincludetwo0.5ΩN-channelMOSFETswitches  
and two P-channel switches (0.5Ω, 0.8Ω). Quiescent  
current is typically 16μA, making the parts ideal for bat-  
tery power applications. Other features include a <1μA  
shutdown current, current limiting, thermal shutdown  
and output disconnect. The parts are offered in a 6-pin  
ThinSOTTM package for fixed voltage versions or a 3mm ×  
3mm DFN package for fixed and adjustable versions.  
■
Only 3 External Components Required  
(Fixed Voltage Versions)  
Short-Circuit Protection  
Output Disconnect in Shutdown  
Available in 6-Pin ThinSOT and 3mm × 3mm DFN  
Packages  
■
■
■
U
APPLICATIO S  
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.  
Burst Mode is a registered trademark of Linear Technology Corporation.  
ThinSOT is a trademark of Linear Technology Corporation.  
All other trademarks are the property of their respective owners.  
Protected by U.S. Patents including 6166527.  
■
Handheld Instruments  
■
MP3 Players  
■
Handheld computers  
PDA/GPS  
■
U
TYPICAL APPLICATIO  
Efficiency vs VIN  
100  
10μH  
95  
90  
85  
80  
75  
70  
65  
60  
BOOST  
MODE  
SW1  
SW2  
V
V
IN  
OUT  
BUCK  
MODE  
3.1V TO  
4.2V  
V
V
OUT  
3.3V  
IN  
160mA  
LTC3531-3.3  
4SW  
+
Li-Ion  
2.2μF  
10μF  
MODE  
SHDN  
GND  
3531 TA01a  
ON OFF  
3.3V  
4
AT 100mA  
OUT  
3.5  
1.5  
2
2.5  
3
4.5  
5
5.5  
INPUT VOLTAGE (V)  
3531 TA01b  
3531fb  
1
1234567...16

中文翻译

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LTC3531EDD-3#TR 替代型号

型号 品牌 替代类型 描述 数据表
LTC3531EDD-3.3 Linear

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