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LT4356-1 Datasheet

LT4356-1 Datasheet

Surge Stopper
Part No.: LT4356-1
Page: 26 Pages
Size: 440 KB
Manufacturer: Linear Technology
Logo:
Views: 2
Update Time: 2023-11-24 15:02:21
DataSheet: Download

LT4356-1 Datasheet Applicable Part

Part No. Packing SPQ Marking MSL Pins Temp Range Package Description Buy
LT4356CDE-1#PBF Tube 91 43561 1 12 0°C ~ 70°C 12-Lead (4mm × 3mm) Plastic DFN  
LT4356CDE-1#TRPBF Reel 2500 43561 1 12 0°C ~ 70°C 12-Lead (4mm × 3mm) Plastic DFN  
LT4356CDE-1#TRMPBF Reel 500 43561 1 12 0°C ~ 70°C 12-Lead (4mm × 3mm) Plastic DFN  
LT4356IDE-1#PBF Tube 91 43561 1 12 -40°C ~ 85°C 12-Lead (4mm × 3mm) Plastic DFN  
LT4356IDE-1#TRPBF Reel 2500 43561 1 12 -40°C ~ 85°C 12-Lead (4mm × 3mm) Plastic DFN  
LT4356IDE-1#TRMPBF Reel 500 43561 1 12 -40°C ~ 85°C 12-Lead (4mm × 3mm) Plastic DFN  
LT4356HDE-1#PBF Tube 91 43561 1 12 -40°C ~ 125°C 12-Lead (4mm × 3mm) Plastic DFN  
LT4356HDE-1#TRPBF Reel 2500 43561 1 12 -40°C ~ 125°C 12-Lead (4mm × 3mm) Plastic DFN  
LT4356HDE-1#TRMPBF Reel 500 43561 1 12 -40°C ~ 125°C 12-Lead (4mm × 3mm) Plastic DFN  
LT4356CMS-1#PBF Tube 50 LTCNS 1 10 0°C ~ 70°C 10-Lead Plastic MSOP  
LT4356CMS-1#TRPBF Reel 2500 LTCNS 1 10 0°C ~ 70°C 10-Lead Plastic MSOP  
LT4356CMS-1#TRMPBF Reel 500 LTCNS 1 10 0°C ~ 70°C 10-Lead Plastic MSOP  
LT4356IMS-1#PBF Tube 50 LTCNS 1 10 -40°C ~ 85°C 10-Lead Plastic MSOP  
LT4356IMS-1#TRPBF Reel 2500 LTCNS 1 10 -40°C ~ 85°C 10-Lead Plastic MSOP  
LT4356IMS-1#TRMPBF Reel 500 LTCNS 1 10 -40°C ~ 85°C 10-Lead Plastic MSOP  
LT4356HMS-1#PBF Tube 50 LTCNS 1 10 -40°C ~ 125°C 10-Lead Plastic MSOP  
LT4356HMS-1#TRPBF Reel 2500 LTCNS 1 10 -40°C ~ 125°C 10-Lead Plastic MSOP  
LT4356HMS-1#TRMPBF Reel 500 LTCNS 1 10 -40°C ~ 125°C 10-Lead Plastic MSOP  
LT4356CS-1#PBF Tube 50 LT4356S-1 1 16 0°C ~ 70°C 16-Lead Plastic SO  
LT4356CS-1#TRPBF Reel 2500 LT4356S-1 1 16 0°C ~ 70°C 16-Lead Plastic SO  
LT4356CS-1#TRMPBF Reel 500 LT4356S-1 1 16 0°C ~ 70°C 16-Lead Plastic SO  
LT4356IS-1#PBF Tube 50 LT4356S-1 1 16 -40°C ~ 85°C 16-Lead Plastic SO  
LT4356IS-1#TRPBF Reel 2500 LT4356S-1 1 16 -40°C ~ 85°C 16-Lead Plastic SO  
LT4356IS-1#TRMPBF Reel 500 LT4356S-1 1 16 -40°C ~ 85°C 16-Lead Plastic SO  
LT4356HS-1#PBF Tube 50 LT4356S-1 1 16 -40°C ~ 125°C 16-Lead Plastic SO  
LT4356HS-1#TRPBF Reel 2500 LT4356S-1 1 16 -40°C ~ 125°C 16-Lead Plastic SO  
LT4356HS-1#TRMPBF Reel 500 LT4356S-1 1 16 -40°C ~ 125°C 16-Lead Plastic SO  
SPQ:Standard Pack Quantity;MSL:Moisture Sensitivity Level

LT4356-1 Datasheet(PDF)

LT4356-1 Datasheet(Picture)

LT4356-1 Features

  • 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 (LT4356-1)
  • Adjustable Fault Timer
  • Controls N-channel MOSFET
  • Shutdown Pin Withstands –60V to 100V
  • Fault Output Indication
  • Guaranteed Operation to 125°C
  • Available in (4mm × 3mm) 12-Pin DFN, 10-Pin MSOP or 16-Pin SO Packages

LT4356-1 Applications

  • Automotive/Avionic Surge Protection
  • Hot Swap/Live Insertion
  • High Side Switch for Battery Powered Systems
  • Intrinsic Safety Applications

LT4356-1 Description

The LT4356-1 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.

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. A shutdown pin reduces the quiescent current to less than 7µA for the LT4356-1 during shutdown.

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