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LTC4415 Datasheet

LTC4415 Datasheet

Dual 4A Ideal Diodes with Adjustable Current Limit
Part No.: LTC4415
Page: 20 Pages
Size: 349 KB
Manufacturer: Linear Technology
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Update Time: 2025-04-17 21:46:28
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LTC4415 Datasheet Applicable Part

Part No. Packaging SPQ Marking MSL Pins Temp Range Package Description Buy
LTC4415EDHC#PBF Tube 73 4415 1 16 -40°C ~ 125°C 16-Lead (5mm × 3mm) Plastic DFN  
LTC4415EDHC#TRPBF Reel 2500 4415 1 16 -40°C ~ 125°C 16-Lead (5mm × 3mm) Plastic DFN  
LTC4415IDHC#PBF Tube 73 4415 1 16 -40°C ~ 125°C 16-Lead (5mm × 3mm) Plastic DFN  
LTC4415IDHC#TRPBF Reel 2500 4415 1 16 -40°C ~ 125°C 16-Lead (5mm × 3mm) Plastic DFN  
LTC4415EMSE#PBF Tube 37 4415 1 16 -40°C ~ 125°C 16-Lead Plastic MSOP  
LTC4415EMSE#TRPBF Reel 2500 4415 1 16 -40°C ~ 125°C 16-Lead Plastic MSOP  
LTC4415IMSE#PBF Tube 37 4415 1 16 -40°C ~ 125°C 16-Lead Plastic MSOP  
LTC4415IMSE#TRPBF Reel 2500 4415 1 16 -40°C ~ 125°C 16-Lead Plastic MSOP  
SPQ:Standard Pack Quantity;MSL:Moisture Sensitivity Level

LTC4415 Datasheet(PDF)

LTC4415 Datasheet(Picture)

LTC4415 Features

  • Dual 50mΩ Monolithic Ideal Diodes
  • 1.7V to 5.5V Operating Range
  • Up to 4A Adjustable Current Limit for Each Diode
  • Low Reverse Leakage Current (1μA Max)
  • 15mV Forward Drop in Regulation
  • Smooth Switchover in Diode ORing
  • Load Current Monitor
  • Precision Enable Thresholds to Set Switchover
  • Soft-Start to Limit Inrush Current on Start-Up
  • Status Pins to Indicate Forward Diode Conduction
  • Current and Thermal Limit with Warning
  • Thermally Enhanced 16-Lead MSOP and DFN (3mm × 5mm) Packages

LTC4415 Applications

  • High Current PowerPath Switch
  • Battery and Wall Adapter Diode ORing
  • Backup Battery Diode ORing
  • Logic Controlled High Current Power Switch
  • Supercapacitor ORing
  • Multiple Battery Sharing

LTC4415 Description

The LTC4415 contains two monolithic PowerPath ideal diodes, each capable of supplying up to 4A with typical forward conduction resistance of 50mΩ. The diode voltage drops are regulated to 15mV during forward conduction at low currents, extending the power supply operating range and ensuring no oscillations during supply switchover. Less than 1μA of reverse current flows from OUT to IN making this device well suited for power supply ORing applications.

The two ideal diodes are independently enabled and prioritized using inputs EN1 and EN2. The output current limits can be adjusted independently from 0.5A to 4A using resistors on the CLIM pins. Furthermore, the ideal diode currents can be monitored via CLIM pin voltages.

Open-drain status pins indicate when the ideal diodes are forward conducting. When the die temperature approaches thermal shutdown, or if the output load exceeds the current limit threshold, the corresponding warning pins are pulled low.

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