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參數(shù)資料
| 型號(hào)： | LTC4411 |
| 廠商： | Linear Technology Corporation |
| 英文描述： | 2.6A Low Loss Ideal Diode in ThinSOT |
| 中文描述： | 2.6A的電流低損耗理想二極管采用ThinSOT |
| 文件頁(yè)數(shù)： | 1/8頁(yè) |
| 文件大小： | 212K |
| 代理商： | LTC4411 |
LTC4411
1
4411f
FEATURES
DESCRIPTIOU
The LTC
4411 is an ideal diode IC, capable of supplying up
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.
The LTC4411 contains a 140m
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 40
μ
A for load currents up to
100mA. If the output voltage exceeds the input voltage, the
MOSFET is turned off and less than 1
μ
A of reverse current
flows from OUT to IN. Maximum forward current is limited
to a constant 2.6A (typical) and internal thermal limiting cir-
cuits protect the part during fault conditions.
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.
An active-high control pin turns off the LTC4411 and
reduces current consumption to less than 25
μ
A. When
shut off, the LTC4411 indicates this condition with a low
voltage on the status signal.
APPLICATIU
TYPICAL APPLICATIO
U
I
Low Loss Replacement for PowerPath
TM
OR’ing Diodes
I
Small Regulated Forward Voltage (28mV Min)
I
2.6A Maximum Forward Current
I
Low Forward ON Resistance (140m
Max)
I
Low Reverse Leakage Current (<1
μ
A)
I
2.6V to 5.5V Operating Range
I
Internal Current Limit Protection
I
Internal Thermal Protection
I
No External Active Components
I
Pin-Compatible Low-Power Replacement
for LTC4412
I
Low Quiescent Current (40
μ
A typical)
I
Low-profile (1mm) 5-lead SOT-23 Package
2.6A Low Loss
Ideal Diode in ThinSOT
TM
, LTC and LT are registered trademarks of Linear Technology Corporation.
ThinSOT and PowerPath are trademarks of Linear Technology Corporation.
Figure 1. Automatic Switchover of Load
Between a Battery and a Wall Adapter
IN
GND
CTL
OUT
STAT
LTC4411
WALL
ADAPTER
INPUT
TO
LOAD
4.7
μ
F
STATUS OUTPUT
IS LOW WHEN WALL
ADAPTER IS SUPPLYING
LOAD CURRENT
BATTERY
CELL(S)
470k
4411 F01
V
CC
I
Cellular Phones
I
Handheld Computers
I
Digital Cameras
I
USB Peripherals
I
Uninterrupted Supplies
I
Logic Controlled Power Switch
LTC4411 vs Schottky Diode
Forward Voltage Characteristics
LTC4411
SCHOTTKY
DIODE
CONSTANT I
ON
CONSTANT
R
ON
CONSTANT
V
ON
V
FWD
FORWARD VOLTAGE (V)
LTC4411 FO2
SLOPE
1/R
ON
SLOPE
1/R
FWD
I
OC
I
MAX
I
FWD
C
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC4411ES5 | 制造商:Linear Technology 功能描述:Low Loss Ideal Diode 5-Pin TSOT-23 |
| LTC4411ES5#PBF | 制造商:Linear Technology 功能描述:Low Loss Ideal Diode 5-Pin TSOT-23 制造商:Linear Technology 功能描述:Low Loss Ideal Diode 5-Pin TSOT-23 Bulk |
| LTC4411ES5#TR | 功能描述:IC IDEAL DIODE LOW LOSS TSOT23-5 RoHS:否 類別:集成電路 (IC) >> PMIC - O 圈控制器 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 應(yīng)用:電池備份，工業(yè)/汽車，大電流開關(guān) FET 型:- 輸出數(shù):5 內(nèi)部開關(guān):是 延遲時(shí)間 - 開啟:100ns 延遲時(shí)間 - 關(guān)閉:- 電源電壓:3 V ~ 5.5 V 電流 - 電源:250µA 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:16-SOIC N 包裝:帶卷 (TR) |
| LTC4411ES5#TRM | 功能描述:IC IDEAL DIODE LOW LOSS TSOT23-5 RoHS:否 類別:集成電路 (IC) >> PMIC - O 圈控制器 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 應(yīng)用:電池備份，工業(yè)/汽車，大電流開關(guān) FET 型:- 輸出數(shù):5 內(nèi)部開關(guān):是 延遲時(shí)間 - 開啟:100ns 延遲時(shí)間 - 關(guān)閉:- 電源電壓:3 V ~ 5.5 V 電流 - 電源:250µA 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:16-SOIC N 包裝:帶卷 (TR) |
| LTC4411ES5#TRMPBF | 功能描述:IC IDEAL DIODE LOW LOSS TSOT23-5 RoHS:是 類別:集成電路 (IC) >> PMIC - O 圈控制器 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 應(yīng)用:電池備份，工業(yè)/汽車，大電流開關(guān) FET 型:- 輸出數(shù):5 內(nèi)部開關(guān):是 延遲時(shí)間 - 開啟:100ns 延遲時(shí)間 - 關(guān)閉:- 電源電壓:3 V ~ 5.5 V 電流 - 電源:250µA 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:16-SOIC N 包裝:帶卷 (TR) |
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