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LT3462ES6 PDF预览

LT3462ES6

更新时间: 2024-11-23 04:19:35
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
8页 226K
描述
Inverting 1.2MHz/2.7MHz DC/DC Converters with Integrated Schottky in ThinSOT

LT3462ES6 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:5.12Is 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:16 V
最小输入电压:2.5 V标称输入电压:3 V
JESD-30 代码:R-PDSO-G6JESD-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:0.42 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:SINGLE
最大切换频率:1600 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
Base Number Matches:1

LT3462ES6 数据手册

 浏览型号LT3462ES6的Datasheet PDF文件第2页浏览型号LT3462ES6的Datasheet PDF文件第3页浏览型号LT3462ES6的Datasheet PDF文件第4页浏览型号LT3462ES6的Datasheet PDF文件第5页浏览型号LT3462ES6的Datasheet PDF文件第6页浏览型号LT3462ES6的Datasheet PDF文件第7页 
LT3462/LT3462A  
Inverting 1.2MHz/2.7MHz  
DC/DC Converters with  
Integrated Schottky in ThinSOT  
U
FEATURES  
DESCRIPTIO  
The LT®3462/LT3462A are general purpose fixed fre-  
quency current mode inverting DC/DC converters. Both  
devices feature an integrated Schottky and a low VCESAT  
switchallowingasmallconverterfootprintandlowerparts  
cost. The LT3462 switches at 1.2MHz while the LT3462A  
switches at 2.7MHz. These high speeds enable the use of  
tiny, low cost and low height capacitors and inductors.  
Integrated Schottky Rectifier  
Fixed Frequency 1.2MHz/2.7MHz Operation  
Very Low Noise: 1mVP-P Output Ripple  
Low VCESAT Switch: 270mV at 250mA  
–5V at 100mA from 5V Input  
–12V at 30mA from 3.3V Input  
Low Input Bias Current GND Based FB Input  
Low Impedance (40) 1.265V Reference Output  
The LT3462/LT3462A operate in a dual inductor inverting  
topology that filters both the input and output currents.  
Verylowoutputvoltagerippleapproaching1mVP-P canbe  
achieved when ceramic capacitors are used. Fixed fre-  
quency switching ensures a clean output free from low  
frequency noise typically present with charge pump solu-  
tions. The 40V switch allows a VIN to VOUT differential of  
up to 38V for dual inductor topologies.  
High Output Voltage: Up to 38V  
Wide Input Range: 2.5V to 16V  
Uses Tiny Surface Mount Components  
Low Shutdown Current: <10µA  
Low Profile (1mm) SOT-23 (ThinSOTTM) Package  
U
APPLICATIO S  
Both devices provide a low impedance 1.265V reference  
output to supply the feedback resistor network. A ground  
referenced, highimpedanceFBinputallowshighfeedback  
resistor values without compromising output accuracy.  
CCD Bias  
LCD Bias  
GaAs FET Bias  
General Purpose Negative Voltage Supply  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
ThinSOT is a trademark of Linear Technology Corporation  
The LT3462/LT3462A are available in a 6-lead SOT-23  
package.  
U
TYPICAL APPLICATIO  
5V to –5V, 100mA Inverting DC/DC Converter  
Efficiency  
75  
1µF  
T
= 25°C  
A
22µH  
22µH  
V
IN  
V
= 5V  
IN  
5V  
70  
65  
60  
55  
V
OUT  
–5V  
V
= 3.3V  
IN  
100mA  
267k  
22pF  
SW  
D
FB  
LT3462A  
SDREF  
V
IN  
1µF  
10µF  
68.1k  
GND  
3462 TA01  
0
20  
40  
60  
80  
100  
3462 TA01b  
LOAD CURRENT (mA)  
3462af  
1

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