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參數(shù)資料
| 型號： | LTC4412IHVS6 |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO6 |
| 封裝： | PLASTIC, MO-193, TSOT-23, 6 PIN |
| 文件頁數(shù)： | 1/12頁 |
| 文件大小： | 176K |
| 代理商： | LTC4412IHVS6 |
1
LTC4412HV
4412hvf
APPLICATIO S
U
FEATURES
DESCRIPTIO
U
TYPICAL APPLICATIO
U
36V, Low Loss PowerPath
TM
Controller in ThinSOT
s
Very Low Loss Replacement for Power Supply
OR’ing Diodes
s
3V to 36V AC/DC Adapter Voltage Range
s
–40
°C to 125°C Operating Temperature Range
s
Minimal External Components
s
Automatic Switching Between DC Sources
s
Simplifies Load Sharing with Multiple Batteries
s
Low Quiescent Current: 11
A
s
2.5V to 36V Battery Voltage Range
s
Reverse Battery Protection
s
Drives Almost Any Size MOSFET for Wide Range of
Current Requirements
s
MOSFET Gate Protection Clamp
s
Manual Control Input
s
Low Profile (1mm) SOT-23 (ThinSOT
TM) Package
s
Industrial and Automotive Applications
s
Notebook and Handheld Computers
s
USB-Powered Peripherals
s
Uninterruptable Power Supplies
s
Logic Controlled Power Switch
The LTC
4412HV 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-
matically disconnected from the battery when the auxiliary
source is connected. Two or more LTC4412HVs may be in-
terconnected to allow load sharing between multiple bat-
teries or charging of multiple batteries from a single charger.
The LTC4412HV is an extended supply and temperature
range version of the LTC4412.
The wide supply operating range supports operation from
one to eight Li-Ion cells in series. The low quiescent
current (11
A typical) is independent of the load current.
The gate driver includes an internal voltage clamp for
MOSFET protection.
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 micro-
controller that an auxiliary supply is connected. The con-
trol (CTL) input enables the user to force the primary
MOSFET off and the STAT pin low.
The LTC4412HV is available in a low profile (1mm) SOT-23
package.
, LTC and LT are registered trademarks of Linear Technology Corporation.
PowerPath and ThinSOT are trademarks of Linear Technology Corporation.
VIN
GND
CTL
SENSE
GATE
STAT
1
2
3
6
5
4
LTC4412HV
COUT
TO LOAD
STATUS OUTPUT
LOW WHEN WALL
ADAPTER PRESENT
470k
4412HV F01
VCC
1N5819
FDN306P
BATTERY
CELL(S)
WALL
ADAPTER
INPUT
Figure 1. Automatic Switchover of Load Between a Battery and a Wall Adapter
FORWARD VOLTAGE (V)
0.02
0
CURRENT
(A)
1
CONSTANT
RON
4412HV F01b
0.5
CONSTANT
VOLTAGE
SCHOTTKY
DIODE
LTC4412HV
LTC4412HV vs Schottky Diode Forward Voltage Drop
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| LTC4412IS6#PBF | 制造商:Linear Technology 功能描述:Bulk 制造商:Linear Technology 功能描述:IC POWERPATH CONTROLLER SOT-23-6 制造商:Linear Technology 功能描述:IC, POWERPATH CONTROLLER, SOT-23-6 制造商:Linear Technology 功能描述:IC, POWERPATH CONTROLLER, SOT-23-6; Input Voltage:28V; Output Current:50A; Output Voltage:36V; Supply Voltage Min:2.5V; Supply Voltage Max:28V; No. of Pins:6; No. of Outputs:1; Operating Temperature Min:-40C ;RoHS Compliant: Yes |
| LTC4412IS6#TRMPBF | 功能描述:IC PWR PATH CNTRLR TSOT23-6 RoHS:是 類別:集成電路 (IC) >> PMIC - O 圈控制器 系列:PowerPath™ 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 延遲時間 - 開啟:100ns 延遲時間 - 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) |
| LTC4412IS6#TRPBF | 功能描述:IC CTRL LOWLOSS PWRPATH TSOT23-6 RoHS:是 類別:集成電路 (IC) >> PMIC - O 圈控制器 系列:PowerPath™ 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 延遲時間 - 開啟:100ns 延遲時間 - 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) |
| LTC4412IS6TRMPBF | 制造商:Linear Technology 功能描述:PowerPath Controller Low-Loss TSOT23-6 |
| LTC4413EDD | 制造商:Linear Technology 功能描述:Dual Ideal Diodes 10-Pin DFN EP |
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