Datasheet > LT3464

LT3464

更新时间： 2024-11-05 14:57:59

品牌	Logo	应用领域
亚德诺 - ADI		肖特基二极管转换器
页数	文件大小	规格书
16页	248K
描述
采用ThinSOT?封装并具肖特基二极管和输出断接功能的微功率升压型转换器

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LT3464 数据手册

LT3464

Micropower Boost

Converter with Schottky and

Output Disconnect in ThinSOT™

DESCRIPTIO

FEATURES

The LT^®3464 is a micropower step-up DC/DC converter

with integrated Schottky diode and output disconnect

packaged in an 8-lead low profile (1mm) SOT-23. The

small package size, high level of integration, and the use

of tiny SMT components yield a solution size of less than

40mm². The LT3464 has a typical current limit of 115mA

as well as fast switching speed to allow the use of a chip

inductor and small ceramic capacitors. The internal PNP

disconnects the output load from the input during shut-

down, and also provides output short-circuit protection.

An auxiliary reference input allows the user to override the

internal 1.25V feedback reference with any lower value,

allowing full control of the output voltage during opera-

tion. This device features a low 25 µA quiescent current,

which is further reduced to less than 0.5µA in shutdown.

A current limited fixed off-time control scheme conserves

operating current, resulting in high efficiency over a broad

range of operating current. The rugged 36V switch and

output disconnect circuitry allow outputs up to 34V to be

easily generated in a simple boost topology.

■

Tiny Solution Size

■

Low Quiescent Current

• 25µA in Active Mode

• 0.5µA in Shutdown Mode

■

Internal 115mA, 36V Switch

■

Integrated Schottky Diode

■

Integrated PNP Output Disconnect with

Short-Circuit Protection

■

Internal Reference Override Pin

■

16V at 8mA from 3.6V Input

■

12V at 20mA from 5V Input

■

Input Range: 2.3V to 10V

■

High Output Voltage: Up to 34V

■

Low Profile (1mm) SOT-23 Package

APPLICATIO S

■

OEL Panel Bias

■

LCD Bias

■

Handheld Computers

■

Battery Backup

, LTC and LT are registered trademarks of Linear Technology Corporation.

ThinSOT is a trademark of Linear Technolgy Corporation

■

Digital Cameras

■

Cellular Phones

TYPICAL APPLICATIO

Efficiency

22µH

2.3V TO 10V

= 8.4V

= 4.2V

OUT

16V

0.22µF

0.33µF

CTRL

1µF

LT3464 CAP

3.48M

294k

SHDN

GND

3464 TA01a

0.01

0.1

100

LOAD CURRENT (mA)

3464 TA01b

3464f

12 3 4 5 6 7...16

中文翻译

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与LT3464相关器件

型号	品牌	获取价格	描述	数据表
LT3464_1	Linear	获取价格	Micropower Boost Converter with Schottky and
LT3464ETS8	Linear	获取价格	Micropower Boost Converter with Integrated Schottky and Output Disconnect in ThinSOT
LT3464ETS8#PBF	Linear	获取价格	LT3464 - Micropower Boost Converter with Integrated Schottky and Output Disconnect in Thin
LT3464ETS8#TR	Linear	获取价格	LT3464 - Micropower Boost Converter with Integrated Schottky and Output Disconnect in Thin
LT3464ETS8#TRM	Linear	获取价格	LT3464 - Micropower Boost Converter with Integrated Schottky and Output Disconnect in Thin
LT3465	Linear	获取价格	1.2MHz/2.4MHz White LED Step-Up Converters with Built-In Schottky in ThinSOT
LT3465	ADI	获取价格	采用 ThinSOT 封装并内置肖特基二极管的 1.2MHz / 2.4MHz 白光 LE
LT3465_15	Linear	获取价格	1.2MHz/2.4MHz White LED Drivers with Built-in Schottky in ThinSOT
LT3465A	Linear	获取价格	Single Cell 350mA LED Driver
LT3465A_15	Linear	获取价格	1.2MHz/2.4MHz White LED Drivers with Built-in Schottky in ThinSOT

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