參數(shù)資料
型號: LTC4075HVXEDD
廠商: LINEAR TECHNOLOGY CORP
元件分類: 電源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO10
封裝: 3 X 3 MM, 0.75 MM HEIGHT, PLASTIC, MO-229WEED-2, DFN-10
文件頁數(shù): 6/16頁
文件大?。?/td> 170K
代理商: LTC4075HVXEDD
LTC4075HVX
14
4075hvxf
APPLICATIONS INFORMATION
Figure 5. Low Loss Reverse Polarity Protection
In this circuit, capacitor C2 holds MN1 off when the cable
is rst connected. Eventually C2 begins to charge up to the
USB input voltage applying increasing gate drive to MN1.
The long time constant of R1 and C1 prevent the current
from rapidly building up in the cable thus dampening out
any resonant overshoot.
Reverse Polarity Input Voltage Protection
In some applications, protection from reverse polarity
voltage on the input supply pins is desired. With sufcient
supply voltage, a series blocking diode can be used. In
other cases where the voltage drop must be kept low, a
P-channel MOSFET can be used (as shown in Figure 5).
WALL
ADAPTER
DCIN
LTC4075HVX
DRAIN-BULK
DIODE OF FET
4075hvx F05
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