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LTC3531ES6-3.3 PDF预览

LTC3531ES6-3.3

更新时间: 2024-09-23 05:43:55
品牌 Logo 应用领域
凌特 - Linear 转换器稳压器开关式稳压器或控制器电源电路开关式控制器光电二极管
页数 文件大小 规格书
16页 694K
描述
200mA Buck-Boost Synchronous DC/DC Converters

LTC3531ES6-3.3 技术参数

是否Rohs认证:不符合生命周期:Transferred
零件包装代码:SOT包装说明:PLASTIC, MO-193, TSOT-23, 6 PIN
针数:6Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.08Is Samacsys:N
模拟集成电路 - 其他类型:SWITCHING REGULATOR控制模式:VOLTAGE-MODE
最大输入电压:5.5 V最小输入电压:1.8 V
标称输入电压:3.6 VJESD-30 代码:R-PDSO-G6
JESD-609代码:e0长度:2.9 mm
湿度敏感等级:1功能数量:1
端子数量:6最高工作温度:70 °C
最低工作温度:最大输出电流:0.46 A
封装主体材料:PLASTIC/EPOXY封装代码:VSSOP
封装等效代码:TSOP6,.11,37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):235
认证状态:Not Qualified座面最大高度:1 mm
子类别:Switching Regulator or Controllers表面贴装:YES
切换器配置:BUCK-BOOST技术:CMOS
温度等级:COMMERCIAL端子面层:Tin/Lead (Sn/Pb)
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:20
宽度:1.625 mmBase Number Matches:1

LTC3531ES6-3.3 数据手册

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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

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