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LTC4412IS6#TRMPBF

更新时间： 2024-11-13 15:43:23
品牌 Logo 应用领域
凌特 - Linear 光电二极管
页数 文件大小 规格书
14页 392K
描述
LTC4412 - Low Loss PowerPath Controller in ThinSOT; Package: SOT; Pins: 6; Temperature Range: -40°C to 85°C

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中文翻译

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LTC4412IS6#TRMPBF 技术参数

是否Rohs认证： 符合生命周期：Transferred
零件包装代码：SOT包装说明：VSSOP, TSOP6,.11,37
针数：6Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：2.87可调阈值：NO
模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUITJESD-30 代码：R-PDSO-G6
JESD-609代码：e3长度：2.9 mm
湿度敏感等级：1信道数量：1
功能数量：1端子数量：6
最高工作温度：85 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：VSSOP
封装等效代码：TSOP6,.11,37封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH峰值回流温度（摄氏度）：260
认证状态：Not Qualified座面最大高度：1 mm
最大供电电压 (Vsup)：28 V最小供电电压 (Vsup)：2.5 V
标称供电电压 (Vsup)：12 V表面贴装：YES
技术：CMOS温度等级：INDUSTRIAL
端子面层：Matte Tin (Sn)端子形式：GULL WING
端子节距：0.95 mm端子位置：DUAL
处于峰值回流温度下的最长时间：30宽度：1.625 mm
Base Number Matches：1

LTC4412IS6#TRMPBF 数据手册

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LTC4412  
Low Loss PowerPath™  
Controller in ThinSOT  
FeaTures  
DescripTion  
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  
multiple 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  
automatically disconnected from the battery when the  
auxiliary 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.  
n
Very Low Loss Replacement for Power Supply  
OR’ing Diodes  
Minimal External Components  
Automatic Switching Between DC Sources  
Simplifies Load Sharing with Multiple Batteries  
n
n
n
n
n
n
n
n
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  
Low Profile (1mm) ThinSOT™ Package  
n
n
n
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.  
applicaTions  
n
Cellular Phones  
Notebook and Handheld Computers  
Digital Cameras  
USB-Powered Peripherals  
Uninterruptible Power Supplies  
Logic Controlled Power Switch  
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 mi-  
crocontroller that an auxiliary supply is connected. The  
control (CTL) input enables the user to force the primary  
MOSFET off and the STAT pin low.  
n
n
n
n
n
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and  
PowerPath and ThinSOT are trademarks of Linear Technology Corporation. All other trademarks  
are the property of their respective owners.  
The LTC4412 is available in a low profile (1mm) ThinSOT  
package.  
Typical applicaTion  
LTC4412 vs Schottky Diode  
Forward Voltage Drop  
1
WALL  
ADAPTER  
INPUT  
CONSTANT  
R
ON  
TO LOAD  
BATTERY  
CELL(S)  
C
OUT  
LTC4412  
SENSE  
LTC4412  
V
CC  
V
IN  
GND GATE  
CTL STAT  
470k  
CONSTANT  
VOLTAGE  
STATUS OUTPUT  
LOW WHEN WALL  
ADAPTER PRESENT  
SCHOTTKY  
DIODE  
4412 F01  
0
Figure 1. Automatic Switchover of Load Between a Battery and a Wall Adapter  
0.02  
0.5  
4412 F01b  
FORWARD VOLTAGE (V)  
4412fb  
1
For more information www.linear.com/LTC4412  
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