LTC4412ES6#TRPBF

更新时间： 2024-09-25 13:09:55

品牌	Logo	应用领域
凌特 - Linear		控制器
页数	文件大小	规格书
12页	158K
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LTC4412ES6#TRPBF 数据手册

LTC4412

Low Loss PowerPath^TM

Controller in ThinSOT

FEATURES

DESCRIPTIO

The LTC^®4412 controls an external P-channel MOSFET to

create a near ideal diode function for power switchover or

load sharing. This permits highly efficient OR’ing of mul-

tiple power sources for extended battery life and low self-

heating. When conducting, the voltage drop across the

MOSFET is typically 20mV. For applications with a wall

adapter or other auxiliary power source, the load is auto-

maticallydisconnectedfromthebatterywhentheauxiliary

source is connected. Two or more LTC4412s may be

interconnected to allow load sharing between multiple

batteries or charging of multiple batteries from a single

charger.

■

Very Low Loss Replacement for Power Supply

OR’ing Diodes

■

Minimal External Components

■

Automatic Switching Between DC Sources

■

Simplifies Load Sharing with Multiple Batteries

■

Low Quiescent Current: 11µA

■

3V to 28V AC/DC Adapter Voltage Range

■

2.5V to 28V Battery Voltage Range

■

Reverse Battery Protection

■

Drives Almost Any Size MOSFET for Wide Range of

Current Requirements

■

MOSFET Gate Protection Clamp

■

Manual Control Input

The wide supply operating range supports operation from

one to six Li-Ion cells in series. The low quiescent current

(11µA typical) is independent of the load current. The gate

driver includes an internal voltage clamp for MOSFET

protection.

Low Profile (1mm) ThinSOT^TMPackage

■

APPLICATIO S

■

Cellular Phones

The STAT pin can be used to enable an auxiliary P-channel

MOSFET power switch when an auxiliary supply is

detected. This pin may also be used to indicate to a

microcontroller that an auxiliary supply is connected. The

control (CTL) input enables the user to force the primary

MOSFET off and the STAT pin low.

■

Notebook and Handheld Computers

■

Digital Cameras

USB-Powered Peripherals

■

Uninterruptable Power Supplies

■

Logic Controlled Power Switch

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

PowerPath and ThinSOT are trademarks of Linear Technology Corporation.

The LTC4412 is available in a low profile (1mm) ThinSOT

package.

LTC4412 vs Schottky Diode

TYPICAL APPLICATIO

Forward Voltage Drop

1N5819

WALL

CONSTANT

ADAPTER

INPUT

FDN306P

TO LOAD

BATTERY

CELL(S)

OUT

LTC4412

SENSE

LTC4412

GND GATE

CTL STAT

470k

CONSTANT

VOLTAGE

STATUS OUTPUT

LOW WHEN WALL

ADAPTER PRESENT

SCHOTTKY

DIODE

4412 F01

Figure 1. Automatic Switchover of Load Between a Battery and a Wall Adapter

0.02

0.5

4412 F01b

FORWARD VOLTAGE (V)

4412f

12 3 4 5 6 7...12

中文翻译

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LTC4412ES6#TRPBF 替代型号

型号	品牌	替代类型	描述	数据表
LTC4412HVIS6	Linear	类似代替	36V, Low Loss PowerPathTM Controller in ThinSOT

与LTC4412ES6#TRPBF相关器件

型号	品牌	获取价格	描述	数据表
LTC4412HV	Linear	获取价格	Dual 2.6A, 2.5V to 5.5V, Ideal Diodes in 3mm 3mm DFN
LTC4412HV	ADI	获取价格	采用 ThinSOT 封装的 36V、低损耗 PowerPath? 控制器
LTC4412HVIS6	Linear	获取价格	36V, Low Loss PowerPathTM Controller in ThinSOT
LTC4412HVIS6#PBF	Linear	获取价格	LTC4412HV - 36V, Low Loss PowerPath Controller in ThinSOT; Package: SOT; Pins: 6; Temperat
LTC4412HVIS6#TR	Linear	获取价格	LTC4412HV - 36V, Low Loss PowerPath Controller in ThinSOT; Package: SOT; Pins: 6; Temperat
LTC4412HVIS6#TRM	Linear	获取价格	LTC4412HV - 36V, Low Loss PowerPath Controller in ThinSOT; Package: SOT; Pins: 6; Temperat
LTC4412HVIS6#TRMPBF	Linear	获取价格	暂无描述
LTC4412HVIS6#TRPBF	Linear	获取价格	LTC4412HV - 36V, Low Loss PowerPath Controller in ThinSOT; Package: SOT; Pins: 6; Temperat
LTC4412IS6#TR	Linear	获取价格	IC 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO6, 1 MM HEIGHT, PLASTIC, MO-193, TSOT-23, 6 PIN
LTC4412IS6#TRM	Linear	获取价格	IC 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO6, 1 MM HEIGHT, PLASTIC, MO-193, TSOT-23, 6 PIN

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