Datasheet > LT3461A_15

LT3461A_15

更新时间： 2024-11-05 01:22:35

品牌	Logo	应用领域
凌特 - Linear		/
页数	文件大小	规格书
8页	159K
描述
1.3MHz/3MHz Step-Up DC/DC Converters with Integrated Schottky in ThinSOT

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LT3461A_15 数据手册

LT3461/LT3461A

1.3MHz/3MHz Step-Up

DC/DC Converters with

Integrated Schottky in ThinSOT

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 V_CESAT

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 V_CESATSwitch: 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 (ThinSOT^TM) Package

■

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

TYPICAL APPLICATIO

5V to 12V, 70mA Step-Up DC/DC Converter

Efficiency

10µH

= 5V

OUT

12V

= 3.3V

70mA

1µF

LT3461A

261k

15pF

SHDN

OFF ON

GND

1µF

30.1k

3461 TA01a

3461 TAO1b

LOAD CURRENT (mA)

3461af

12 3 4 5 6 7 8

中文翻译

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与LT3461A_15相关器件

型号	品牌	获取价格	描述	数据表
LT3461AES6	Linear	获取价格	1.3MHz/3MHz Step-Up DC/DC Converters with Integrated Schottky in ThinSOT
LT3461AES6#PBF	Linear	获取价格	LT3461A - 3MHz Step-Up DC/DC Converters with Integrated Schottky in ThinSOT; Package: SOT;
LT3461AES6#TR	Linear	获取价格	LT3461A - 3MHz Step-Up DC/DC Converters with Integrated Schottky in ThinSOT; Package: SOT;
LT3461AES6#TRM	Linear	获取价格	LT3461A - 3MHz Step-Up DC/DC Converters with Integrated Schottky in ThinSOT; Package: SOT;
LT3461AES6#TRMPBF	Linear	获取价格	LT3461A - 3MHz Step-Up DC/DC Converters with Integrated Schottky in ThinSOT; Package: SOT;
LT3461AES6#TRPBF	Linear	获取价格	LT3461A - 3MHz Step-Up DC/DC Converters with Integrated Schottky in ThinSOT; Package: SOT;
LT3461ES6	Linear	获取价格	1.3MHz/3MHz Step-Up DC/DC Converters with Integrated Schottky in ThinSOT
LT3461ES6#PBF	Linear	获取价格	LT3461 - 1.3MHz Step-Up DC/DC Converters with Integrated Schottky in ThinSOT; Package: SOT
LT3461ES6#TRM	Linear	获取价格	LT3461 - 1.3MHz Step-Up DC/DC Converters with Integrated Schottky in ThinSOT; Package: SOT
LT3462	Linear	获取价格	Inverting 1.2MHz/2.7MHz DC/DC Converters with Integrated Schottky in ThinSOT

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