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LTC3459 PDF预览

LTC3459

更新时间: 2024-01-08 01:59:26
品牌 Logo 应用领域
凌特 - Linear 转换器升压转换器
页数 文件大小 规格书
12页 218K
描述
10V Micropower Synchronous Boost Converter in ThinSOT

LTC3459 技术参数

是否Rohs认证: 符合生命周期:Transferred
零件包装代码:DFN包装说明:HVSON, SOLCC6,.12,20
针数:6Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.31其他特性:ALSO OPERATES IN ADJUSTABLE MODE FROM 2.5 TO 5.5V
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:1.5 V
标称输入电压:3.3 VJESD-30 代码:R-PDSO-N6
JESD-609代码:e3长度:3 mm
湿度敏感等级:1功能数量:1
端子数量:6最高工作温度:85 °C
最低工作温度:最大输出电流:0.09 A
封装主体材料:PLASTIC/EPOXY封装代码:HVSON
封装等效代码:SOLCC6,.12,20封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度(摄氏度):260
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:BOOST技术:CMOS
温度等级:OTHER端子面层:Matte Tin (Sn)
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:30
宽度:2 mm

LTC3459 数据手册

 浏览型号LTC3459的Datasheet PDF文件第2页浏览型号LTC3459的Datasheet PDF文件第3页浏览型号LTC3459的Datasheet PDF文件第4页浏览型号LTC3459的Datasheet PDF文件第5页浏览型号LTC3459的Datasheet PDF文件第6页浏览型号LTC3459的Datasheet PDF文件第7页 
LTC3459  
10V Micropower  
Synchronous Boost Converter  
in ThinSOT  
U
FEATURES  
DESCRIPTIO  
TheLTC®3459isalowcurrent,highefficiencysynchronous  
boost converter intended for low power, size constrained  
portable applications. The LTC3459 can be powered from  
a single lithium ion battery, a 2- to 3-cell stack of Alkaline  
or Nickel batteries, or any low impedance voltage source  
between 1.5V and 5.5V. The output is programmable via  
anexternaldividerbetween2.5Vand10V.Althoughthepart  
is primarily intended for boost applications, VOUT will  
maintain regulation below VIN (at reduced efficiency).  
Small Solution Size  
>85% Efficiency over Wide Load Range  
Internal Synchronous Rectifier  
VIN Range: 1.5V to 5.5V  
5V at 30mA from 3.3V Input  
3.3V at 20mA from 2 AA Cell Input  
Programmable Output Voltages Up to 10V  
Burst Mode® Operation  
Inrush Current Limiting  
Output Disconnect in Shutdown  
Ultralow Quiescent (10µA) and Shutdown  
(<1µA) Currents  
Low Profile (1mm) SOT-23 Package  
The LTC3459 offers Burst Mode operation with a fixed  
peak current, providing high conversion efficiency over a  
wide range of load currents. During start-up, inductor  
current is controlled preventing the inrush surge current  
found in many boost converters. In shutdown the output  
is disconnected from the input and quiescent current is  
reduced to <1µA.  
U
APPLICATIO S  
General Purpose Micropower Boost  
The LTC3459 is offered in a low profile (1mm) 6-pin  
SOT-23 (ThinSOTTM) package allowing a tiny footprint for  
the total solution.  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
Burst Mode is a registered trademark of Linear Technology Corporation.  
ThinSOT is trademark of Linear Technology Corporation.  
Digital Cameras  
PDAs  
LCD Bias  
Small OLED Displays  
Supercap Charging  
U
TYPICAL APPLICATIO  
Efficiency  
5V to 8V Converter  
100  
V
V
= 5V  
IN  
OUT  
22µH  
= 8V  
90  
80  
70  
60  
50  
SW  
V
OUT  
8V  
5V  
V
IN  
V
OUT  
30mA  
2M  
47pF  
LTC3459  
OFF ON  
SHDN  
GND  
FB  
1µF  
4.7µF  
365k  
3459 TA01a  
0.01  
0.1  
1
10  
100  
I
(mA)  
LOAD  
3459 TA01b  
3459f  
1

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