Datasheet > LTC4411

LTC4411

更新时间： 2024-11-14 14:57:55

品牌	Logo	应用领域
亚德诺 - ADI		二极管
页数	文件大小	规格书
8页	152K
描述
采用 ThinSOT? 封装的 2.6A 低损耗理想二极管

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中文翻译

获取价格

数据手册

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LTC4411 数据手册

LTC4411

2.6A Low Loss

Ideal Diode in ThinSOT^TM

DESCRIPTIO

FEATURES

Low Loss Replacement for PowerPath^TM

TheLTC^®4411isanidealdiodeIC,capableofsupplyingup

to 2.6A from an input voltage between 2.6V and 5.5V. The

LTC4411 is housed in a 5-lead 1mm profile SOT-23

package.

■

OR’ing Diodes

■

Small Regulated Forward Voltage (28mV)

■

2.6A Maximum Forward Current

■

Low Forward ON Resistance (140mΩ Max)

The LTC4411 contains a 140mΩ P-channel MOSFET con-

necting IN to OUT. During normal forward operation, the

drop across the MOSFET is regulated to as low as 28mV.

Quiescent current is less than 40µA for load currents up to

100mA.Iftheoutputvoltageexceedstheinputvoltage,the

MOSFET is turned off and less than 1µA of reverse current

flowsfromOUTtoIN. Maximumforwardcurrentislimited

toaconstant2.6A(typical)andinternalthermallimitingcir-

cuits protect the part during fault conditions.

■

Low Reverse Leakage Current (<1µA)

■

2.6V to 5.5V Operating Range

■

Internal Current Limit Protection

■

Internal Thermal Protection

■

No External Active Components

■

Pin-Compatible Monolithic Replacement

for the LTC4412

Low Quiescent Current (40µA)

■

Low-Profile (1mm) 5-lead SOT-23 Package

An open-drain STAT pin indicates conduction status. The

STAT pin can be used to drive an auxiliary P-channel

MOSFET power switch connecting an alternate power

source when the LTC4411 is not conducting forward

current.

APPLICATIO S

■

Cellular Phones

■

Handheld Computers

■

Digital Cameras

USB Peripherals

An active-high control pin turns off the LTC4411 and

reduces current consumption to less than 25µA. When

shut off, the LTC4411 indicates this condition with a low

voltage on the status signal.

■

Uninterrupted Supplies

Logic Controlled Power Switch

■

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

PowerPath are trademarks of Linear Technology Corporation. All other trademarks are the

property of their respective owners.

TYPICAL APPLICATIO

LTC4411 vs Schottky Diode

Forward Voltage Characteristics

CONSTANT I

WALL

ADAPTER

INPUT

MAX

LOAD

LTC4411

CONSTANT

OUT

LTC4411

SLOPE

1/R

4.7µF

GND

CTL

470k

BATTERY

CELL(S)

FWD

STATUS OUTPUT

IS LOW WHEN WALL

ADAPTER IS SUPPLYING

LOAD CURRENT

STAT

CONSTANT

4411 F01

SLOPE

1/R

FWD

Figure 1. Automatic Switchover of Load

Between a Battery and a Wall Adapter

SCHOTTKY

DIODE

LTC4411 FO1b

FORWARD VOLTAGE (V)

FWD

4411fa

12 3 4 5 6 7 8

中文翻译

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与LTC4411相关器件

型号	品牌	获取价格	描述	数据表
LTC4411ES5	Linear	获取价格	2.6A Low Loss Ideal Diode in ThinSOT
LTC4411ES5#TR	Linear	获取价格	LTC4411 - 2.6A Low Loss Ideal Diode in ThinSOT; Package: SOT; Pins: 5; Temperature Range:
LTC4411ES5#TRM	Linear	获取价格	LTC4411 - 2.6A Low Loss Ideal Diode in ThinSOT; Package: SOT; Pins: 5; Temperature Range:
LTC4411ES5#TRMPBF	Linear	获取价格	LTC4411 - 2.6A Low Loss Ideal Diode in ThinSOT; Package: SOT; Pins: 5; Temperature Range:
LTC4412	Linear	获取价格	Dual 2.6A, 2.5V to 5.5V, Ideal Diodes in 3mm 3mm DFN
LTC4412	Linear Systems	获取价格	Standalone 250mA Li-Ion Battery Charger in 2
LTC4412	ADI	获取价格	采用 ThinSOT 封装的低损耗 PowerPath 控制器
LTC4412ES6	Linear	获取价格	Low Loss PowerPathTM Controller in ThinSOT
LTC4412ES6#PBF	Linear	获取价格	LTC4412 - Low Loss PowerPath Controller in ThinSOT; Package: SOT; Pins: 6; Temperature Ran
LTC4412ES6#TRPBF	Linear	获取价格	暂无描述

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