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LT3461ES6 PDF预览

LT3461ES6

更新时间: 2024-11-25 22:36:27
品牌 Logo 应用领域
凌特 - Linear 转换器
页数 文件大小 规格书
8页 149K
描述
1.3MHz/3MHz Step-Up DC/DC Converters with Integrated Schottky in ThinSOT

LT3461ES6 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:VSSOP, TSOP6,.11,37
针数:6Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.24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:16 V最小输入电压:2.5 V
标称输入电压:3 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:0.6 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:BOOST最大切换频率:1700 kHz
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 mm

LT3461ES6 数据手册

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LT3461/LT3461A  
1.3MHz/3MHz Step-Up  
DC/DC Converters with  
Integrated Schottky in ThinSOT  
U
FEATURES  
DESCRIPTIO  
The LT®3461/LT3461A are general purpose fixed fre-  
quency current mode step-up DC/DC converters. Both  
devices feature an integrated Schottky and a low VCESAT  
switchallowingasmallconverterfootprintandlowerparts  
cost. The LT3461 switches at 1.3MHz while the LT3461A  
switches at 3MHz. These high switching frequencies en-  
abletheuseoftiny, lowcostandlowheightcapacitorsand  
inductors. The constant switching frequency results in  
predictable output noise that is easy to filter, and the  
inductorbasedtopologyensuresaninputfreefromswitch-  
ing noise typically present with charge pump solutions.  
The high voltage switch in the LT3461/LT3461A is rated at  
40V making the device ideal for boost converters up to  
38V.  
Integrated Schottky Rectifier  
Fixed Frequency 1.3MHz/3MHz Operation  
High Output Voltage: Up to 38V  
Low VCESAT Switch: 260mV at 250mA  
12V at 70mA from 5V Input  
5V at 115mA from 3.3V Input  
Wide Input Range: 2.5V to 16V  
Uses Small Surface Mount Components  
Low Shutdown Current: <1µA  
Soft-Start  
Low Profile (1mm) SOT-23 (ThinSOTTM) Package  
U
APPLICATIO S  
Digital Cameras  
CCD Bias Supply  
XDSL Power Supply  
The LT3461/LT3461A are available in a low profile (1mm)  
SOT-23 package.  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
ThinSOT is a trademark of Linear Technology Corporation.  
TFT-LCD Bias Supply  
Local 5V or 12V Supply  
Medical Diagnostic Equipment  
Battery Backup  
U
TYPICAL APPLICATIO  
5V to 12V, 70mA Step-Up DC/DC Converter  
Efficiency  
85  
L1  
10µH  
V
IN  
5V  
80  
1
V
= 5V  
IN  
V
SW  
V
OUT  
OUT  
6
4
5
3
12V  
V
C1  
IN  
75  
70  
65  
60  
V
= 3.3V  
70mA  
IN  
1µF  
LT3461A  
261k  
15pF  
SHDN  
OFF ON  
FB  
GND  
2
C2  
1µF  
30.1k  
3461 TA01a  
0
20  
40  
60  
80  
3461 TAO1b  
LOAD CURRENT (mA)  
3461af  
1

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