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LTC3110 Datasheet

LTC3110 Datasheet

2A Bidirectional Buck-Boost DC/DC Regulator and Charger/Balancer
Part No.: LTC3110
Page: 36 Pages
Size: 516 KB
Manufacturer: Linear Technology
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Views: 0
Update Time: 2025-04-17 21:26:05
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LTC3110 Datasheet Applicable Part

Part No. Packing SPQ Marking MSL Pins Temp Range Package Description Buy
LTC3110EFE#PBF Tube 62 LTC3110FE 1 24 -40°C ~ 125°C 24-Lead Plastic TSSOP  
LTC3110EFE#TRPBF Reel 2500 LTC3110FE 1 24 -40°C ~ 125°C 24-Lead Plastic TSSOP  
LTC3110IFE#PBF Tube 62 LTC3110FE 1 24 -40°C ~ 125°C 24-Lead Plastic TSSOP  
LTC3110IFE#TRPBF Reel 2500 LTC3110FE 1 24 -40°C ~ 125°C 24-Lead Plastic TSSOP  
LTC3110HFE#PBF Tube 62 LTC3110FE 1 24 -40°C ~ 150°C 24-Lead Plastic TSSOP  
LTC3110HFE#TRPBF Reel 2500 LTC3110FE 1 24 -40°C ~ 150°C 24-Lead Plastic TSSOP  
LTC3110EUF#PBF Tube 91 3110 1 24 -40°C ~ 125°C 24-Lead (4mm × 4mm) Plastic QFN  
LTC3110EUF#TRPBF Reel 2500 3110 1 24 -40°C ~ 125°C 24-Lead (4mm × 4mm) Plastic QFN  
LTC3110IUF#PBF Tube 91 3110 1 24 -40°C ~ 125°C 24-Lead (4mm × 4mm) Plastic QFN  
LTC3110IUF#TRPBF Reel 2500 3110 1 24 -40°C ~ 125°C 24-Lead (4mm × 4mm) Plastic QFN  
LTC3110HUF#PBF Tube 91 3110 1 24 -40°C ~ 150°C 24-Lead (4mm × 4mm) Plastic QFN  
LTC3110HUF#TRPBF Reel 2500 3110 1 24 -40°C ~ 150°C 24-Lead (4mm × 4mm) Plastic QFN  
SPQ:Standard Pack Quantity;MSL:Moisture Sensitivity Level

LTC3110 Datasheet(PDF)

LTC3110 Datasheet(Picture)

LTC3110 Features

  • VCAP Operating Range: 0.1V to 5.5V
  • VSYS Operating Range: 1.71V to 5.25V
  • Automatic Switchover from Charge to Backup Mode
  • Programmable ±2% Accurate Charge Input Current Limit from 125mA to 2A
  • ±1% Backup Voltage Accuracy
  • Automatic Backup Capacitor Balancing
  • Fixed 1.2MHz Switching Frequency
  • Burst Mode® Operation: 40μA Quiescent Current
  • Built-In Programmable Multipurpose Comparator with Open-Collector Output
  • Open-Collector Outputs to Indicate Direction of Operation and End of Charge
  • Thermally Enhanced TSSOP-24 and 4mm × 4mm QFN-24 Packages

LTC3110 Applications

  • Supercapacitor Backup Converter and Charger
  • Battery Backup Converter and Charger
  • Servers, RAID Systems
  • RF Systems with Battery/Capacitor Backup

LTC3110 Description

The LTC3110 is a 2A bidirectional buck-boost DC/DC regulator with capacitor charger and balancer. Its wide 0.1V to 5.5V capacitor/battery voltage and 1.8V to 5.25V system backup voltage ranges make it well suited to a wide variety of backup applications using supercapacitors or batteries. A proprietary low noise switching algorithm optimizes efficiency with capacitor/battery voltages that are above, below or equal to the system output voltage.

The LTC3110 can autonomously transition from charge to backup mode or switch modes based on an external command. Pin-selectable Burst Mode operation reduces standby current and improves light-load efficiency, which combined with a 1μA shutdown current make the LTC3110 ideally suited for backup applications. Additional features include voltage supervisors for direction control and end of charge, and a general purpose comparator with open-collector output for interfacing with a μC. The LTC3110 is available in thermally enhanced, low profile 24-lead TSSOP and 4mm × 4mm QFN packages.

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