Datasheet > LTC3525L-3

LTC3525L-3

更新时间： 2024-10-01 05:43:55

品牌	Logo	应用领域
凌特 - Linear		转换器
页数	文件大小	规格书
12页	236K
描述
400mA Micropower Synchronous Step-Up DC/DC Converter with Output Disconnect

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LTC3525L-3 数据手册

LTC3525L-3

400mA Micropower

Synchronous Step-Up DC/DC

Converter with Output Disconnect

DESCRIPTIO

FEATURES

The LTC^®3525L-3 is a high efﬁciency synchronous step-

up DC/DC converter with output disconnect that can

start up with an input as low as 0.7V. It offers a compact,

high efﬁciency alternative to charge pumps in single

cell or dual cell alkaline applications. Only three small

external components are required. The LTC3525L-3

generates a ﬁxed 3V output voltage.

■

Startup at 0.7V Typical, 0.88V Guaranteed

■

Up to 95% Efﬁciency

■

Output Disconnect and Inrush Current Limit

3V Fixed Output Voltage

■

Delivers 65mA at 3V from a 1V Input or 160mA

from a 1.8V input

Burst Mode^®Operation: I = 7µA

■

V : 0.5V to 4.5V

The device includes a 0.5 N-channel MOSFET switch

and a 0.85 P-channel synchronous rectiﬁer. Peak switch

current ranges from 150mA to 400mA, depending on

load, providing enhanced efﬁciency. Quiescent current

is an ultralow 7µA, maximizing battery life in portable

applications.

Only Three External Components

V > V

Operation

OUT

<1µA Shutdown Current

Antiringing Control

Short-Circuit and Overtemperature Protection

^{Tiny 6-Pin SC70}U^Package

Other features include <1µA shutdown current, anti-

ringing control and thermal shutdown. The LTC3525L-3

is available in a tiny 6-pin SC70 package.

APPLICATIO S

■

MP3 Players

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

Burst Mode is a registered trademark of Linear Technology Corporation.

All other trademarks are the property of their respective owners.

Patents Pending.

■

Portable Instruments

■

Glucose Meters

■

Digital Cameras

TYPICAL APPLICATIO

LTC3525L-3 Efﬁciency and Power

Loss vs Load Current

L1*

10µH

100

LTC3525L-3

EFFICIENCY

OUT

0.9V to 1.6V

OUT

SHDN

GND

OFF ON

65mA

POWER LOSS

GND

1µF

10µF

0.1

0.01

3525 TA01

= 2.4V

= 1.2V

0.01

0.1

100

1000

*MURATA LQH32CN100K53

LOAD (mA)

LT3525 • TA02

3525lf

12 3 4 5 6 7...12

中文翻译

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与LTC3525L-3相关器件

型号	品牌	获取价格	描述	数据表
LTC3525L-3.3	Linear	获取价格	Ultralow Voltage Step-Up Converter
LTC3525L-3.3	Linear Systems	获取价格	Ultralow Voltage Step-Up Converter and Power Manager
LTC3525L-5	Linear Systems	获取价格	Ultralow Voltage Step-Up Converter and Power Manager
LTC3525L-5	Linear	获取价格	Ultralow Voltage Step-Up Converter
LTC3525LESC6-3	Linear	获取价格	400mA Micropower Synchronous Step-Up DC/DC Converter with Output Disconnect
LTC3525LESC6-3#TRMPBF	Linear	获取价格	LTC3525L-3 - 400mA Micropower Synchronous Step-Up DC/DC Converter with Output Disconnect;
LTC3525LESC6-3#TRPBF	Linear	获取价格	LTC3525L-3 - 400mA Micropower Synchronous Step-Up DC/DC Converter with Output Disconnect;
LTC3525LESC6-3TRM	Linear	获取价格	IC 0.45 A SWITCHING REGULATOR, PDSO6, PLASTIC, MO-203AB, SC-70, 6 PIN, Switching Regulator
LTC3526	Linear	获取价格	500mA 1MHz Synchronous Step-Up DC/DC Converte
LTC3526_15	Linear	获取价格	500mA 1MHz Synchronous Step-Up DC/DC Converters

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