LTC3459EDC-PBF

更新时间： 2024-11-19 05:43:55

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	215K
描述
10V Micropower Synchronous Boost Converter

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LTC3459EDC-PBF 数据手册

LTC3459

10V Micropower

Synchronous Boost Converter

FEATURES

DESCRIPTION

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

an external divider between 2.5V and 10V. Although the

Small Solution Size

>85% Efﬁciency over Wide Load Range

Internal Synchronous Rectiﬁer

V 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

part is primarily intended for boost applications, V

maintain regulation below V (at reduced efﬁciency).

will

OUT

Inrush Current Limiting

Output Disconnect in Shutdown

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.

Ultralow Quiescent (10μA) and Shutdown (<1μA)

Currents

Low Proﬁle 2mm × 2mm DFN, 2mm × 3mm DFN or

SOT-23 Package

APPLICATIONS

The LTC3459 is offered in low proﬁle 6-pin 2mm × 2mm

DFN, 2mm × 3mm DFN or SOT-23 (ThinSOT^TM) packages,

allowing a tiny footprint for the total solution.

, LT, LTC, LTM and Burst Mode are registered trademarks of Linear Technology

Corporation. ThinSOT is a trademark of Linear Technology Corporation. All other

trademarks are the property of their respective owners.

General Purpose Micropower Boost

Digital Cameras

PDAs

LCD Bias

Small OLED Displays

Supercap Charging

TYPICAL APPLICATION

5V to 8V Converter

Efﬁciency

100

= 5V

OUT

= 8V

22μH

OUT

30mA

47pF

LTC3459

OFF ON

SHDN

GND

1μF

4.7μF

365k

3459 TA01a

0.01

0.1

100

(mA)

LOAD

3459 TA01b

3459fc

12 3 4 5 6 7...12

中文翻译

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与LTC3459EDC-PBF相关器件

型号	品牌	获取价格	描述	数据表
LTC3459EDC-TRPBF	Linear	获取价格	10V Micropower Synchronous Boost Converter
LTC3459ES6	Linear	获取价格	10V Micropower Synchronous Boost Converter in ThinSOT
LTC3459ES6#PBF	Linear	获取价格	IC 0.09 A SWITCHING REGULATOR, PDSO6, LEAD FREE, PLASTIC, MO-193, TSOT-23, 6 PIN, Switchin
LTC3459ES6#TR	Linear	获取价格	LTC3459 - 10V Micropower Synchronous Boost Converter in ThinSOT; Package: SOT; Pins: 6; Te
LTC3459ES6#TRM	Linear	获取价格	暂无描述
LTC3459ES6#TRMPBF	Linear	获取价格	LTC3459 - 10V Micropower Synchronous Boost Converter in ThinSOT; Package: SOT; Pins: 6; Te
LTC3459ES6#TRPBF	Linear	获取价格	LTC3459 - 10V Micropower Synchronous Boost Converter in ThinSOT; Package: SOT; Pins: 6; Te
LTC3459ES6PBF	Linear	获取价格	10V Micropower Synchronous Boost Converter
LTC3459ES6-PBF	Linear	获取价格	10V Micropower Synchronous Boost Converter
LTC3459ES6TRMPBF	Linear	获取价格	10V Micropower Synchronous Boost Converter

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