LT3462ES6#TR

更新时间： 2024-11-04 13:09:39

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
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中文翻译

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数据手册

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LT3462ES6#TR 数据手册

LT3462/LT3462A

Inverting 1.2MHz/2.7MHz

DC/DC Converters with

Integrated Schottky in ThinSOT

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 V_CESAT

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: 1mV_P-POutput Ripple

■

Low V_CESATSwitch: 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 (40Ω) 1.265V Reference Output

The LT3462/LT3462A operate in a dual inductor inverting

topology that filters both the input and output currents.

Verylowoutputvoltagerippleapproaching1mV_P-Pcanbe

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 V_INto V_OUTdifferential 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 (ThinSOT^TM) Package

■

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.

TYPICAL APPLICATIO

5V to –5V, 100mA Inverting DC/DC Converter

Efficiency

1µF

= 25°C

22µH

= 5V

OUT

–5V

= 3.3V

100mA

267k

22pF

LT3462A

SDREF

1µF

10µF

68.1k

GND

3462 TA01

100

3462 TA01b

LOAD CURRENT (mA)

3462af

12 3 4 5 6 7 8

中文翻译

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与LT3462ES6#TR相关器件

型号	品牌	获取价格	描述	数据表
LT3462ES6#TRMPBF	Linear	获取价格	暂无描述
LT3462ES6#TRPBF	Linear	获取价格	LT3462 - Inverting 1.2MHz/2.7MHz DC/DC Converters with Integrated Schottky in ThinSOT; Pac
LT3463	Linear	获取价格	Inverting Micropower DC/DC Converter with Schottky in ThinSOT Package
LT3463	Linear Systems	获取价格	Dual Micropower DC/DC Converters with Schottky Diodes
LT3463	ADI	获取价格	具肖特基二极管的双通道、微功率 DC/DC 转换器
LT3463_15	Linear	获取价格	Dual Micropower DC/DC Converters with Schottky Diodes
LT3463A	Linear Systems	获取价格	Dual Micropower DC/DC Converters with Schottky Diodes
LT3463A	Linear	获取价格	20mA LED Driver and OLED Driver with Integrated Schottky in 3mm x 2mm DFN
LT3463A_15	Linear	获取价格	Dual Micropower DC/DC Converters with Schottky Diodes
LT3463AEDD	Linear Systems	获取价格	Dual Micropower DC/DC Converters with Schottky Diodes

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