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LT4356HMS-3#TRPBF General Description
The LT4356-3 surge stopper protects loads from high voltage transients. It regulates the output during an overvoltage event, such as load dump in automobiles, by controlling the gate of an external N-channel MOSFET. The output is limited to a safe value thereby allowing the loads to continue functioning. The LT4356-3 also monitors the voltage drop between the VCC and SNS pins to protect against overcurrent faults. An internal amplifier limits the current sense voltage to 50mV. In either fault condition, a timer is started inversely proportional to MOSFET stress. If the timer expires, the FLT pin pulls low to warn of an impending power down. If the condition persists, the MOSFET is turned off, until the SHDN pin pulls low momentarily.
The auxiliary amplifier may be used as a voltage detection comparator or as a linear regulator controller driving an external PNP pass transistor.
Back-to-back FETs can be used in lieu of a Schottky diode for reverse input protection, reducing voltage drop and power loss. The SHDN input turns off the part, including the auxiliary amplifier, and reduces the quiescent current to less than 7µA.LT4356-1LT4356MP-1LT4356-2LT4356MP-2LT4356-3LT4356MP-3Low Current Shutdown7µa60µa7µaAux Amp In ShutdownOFFAlways AliveOFFFault RetryRetryRetryLatchoffPackagesDFN-12, MS-10, SO-16DFN-12, SO-16DFN-12, MS-10, SO-16Temp GradesC, I, H, MPC, I, H, MPC, I, H, MP
- Stops High Voltage Surges
- Adjustable Output Clamp Voltage
- Overcurrent Protection
- Wide Operation Range: 4V to 80V
- Reverse Input Protection to –60V
- Low 7µA Shutdown Current
- Adjustable Latchoff Fault Timer
- Controls N-channel MOSFET
- Shutdown Pin Withstands –60V to 100V
- Fault Output Indication
- Auxiliary Amplifier for Level Detection Comparator or Linear Regulator Controller
- Available in 12-Pin 4mm × 3mm DFN, 10-Pin MSOP, and 16-Pin SO Packages
- Automotive/Avionic Surge Protection
- Hot Swap/Live Insertion
- High Side Switch for Battery Powered Systems
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LT4356HMS-3#TRPBF Datasheet PDF
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What is the lifespan of LT4356HMS-3#TRPBF?
The lifespan of LT4356HMS-3#TRPBF depends on various factors such as the quality of materials used, operating conditions, and the manufacturer's recommended usage time. The datasheet provided by the manufacturer specifies the expected lifespan of the product.
Where can I find the full specification of LT4356HMS-3#TRPBF?
You can find it with PDF Datasheet for LT4356HMS-3#TRPBF on this page. If it is not available, you can contact Avaq at [email protected] to inquire about the Datasheet for this part.
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Availability: 6045 pieces
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