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24V Overvoltage Regulator Withstands 150V at VIN 逆電圧保護機能を備えた28V車載アプリケーション 4A, 12V Overvoltage Output Regulator 5V System Protected from ± 24V Power Supplies ±24V電源および過電流から保護されている5Vシステム 5V System Protected From 80V Overvoltage 車載用12V電源の定電圧、過電圧、および逆電源保護回路 250Vサージ保護付き、過電圧レギュレータ Overvoltage Regulator with Low Battery Detection and Output Keep Alive During Shutdown Protection from Overvoltage and Overcurrent 過電圧と過電流からUSBポートを保護 SCR クローバ
The LT4356 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 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. After a cool down period, the GATE pin pulls up turning on the MOSFET again.
