LTC3110
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LTC3110

2A Bidirectional Buck-Boost DC/DC Regulator and Charger/Balancer

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LTspice LTC3110 - Power Management Download 4.62 KB
Part Models 12
1ku List Price Starting From $5.31
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
Additional Details
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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.

Applications

  • Supercapacitor Backup Converter and Charger
  • Battery Backup Converter and Charger
  • Servers, RAID Systems
  • RF Systems with Battery/Capacitor Backup
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file View Data Sheet (Rev.C)
Documentation View All Documentation
LTspice LTC3110 - Power Management Download 4.62 KB
Part Models 12
1ku List Price Starting From $5.31
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LTC3110

Documentation

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Data Sheet

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UPDATED 11/14/2016
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LTC3110: 2A Bidirectional Buck-Boost DC/DC Regulator and Charger/Balancer Data Sheet (Rev.C)

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UPDATED 09/20/2016
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LTC3110: 2A双方向昇降圧DC/DCレギュレータおよびチャージャ/バランサ データシート (Rev.A)

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Design Note

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UPDATED 11/14/2016
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DN558 - Bidirectional DC/DC Regulator and Supercapacitor Charger redirect icon

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UPDATED 11/30/2016
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DN558 - 双向 DC/DC 稳压器和超级电容器充电器 redirect icon

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UPDATED 01/04/2017
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DN558 - 双方向DC/DCレギュレータおよびスーパーキャパシタ・チャージャ redirect icon

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User Guide

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DC1964A - Demo Manual redirect icon

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Reliability Data

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Documentation

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
LTC3110EFE#PBF 24-Lead TSSOP w/ EP external-link
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LTC3110EFE#TRPBF 24-Lead TSSOP w/ EP external-link
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LTC3110EUF#PBF 24-Lead QFN (4mm x 4mm x 0.75mm w/ EP) external-link
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  • Material Declaration external-link
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  • Reliablity Data external-link
LTC3110EUF#TRPBF 24-Lead QFN (4mm x 4mm x 0.75mm w/ EP) external-link
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LTC3110HFE#PBF 24-Lead TSSOP w/ EP external-link
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LTC3110HFE#TRPBF 24-Lead TSSOP w/ EP external-link
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LTC3110HUF#PBF 24-Lead QFN (4mm x 4mm x 0.75mm w/ EP) external-link
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LTC3110HUF#TRPBF 24-Lead QFN (4mm x 4mm x 0.75mm w/ EP) external-link
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  • Material Declaration external-link
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LTC3110IFE#PBF 24-Lead TSSOP w/ EP external-link
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LTC3110IFE#TRPBF 24-Lead TSSOP w/ EP external-link
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  • Material Declaration external-link
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LTC3110IUF#PBF 24-Lead QFN (4mm x 4mm x 0.75mm w/ EP) external-link
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LTC3110IUF#TRPBF 24-Lead QFN (4mm x 4mm x 0.75mm w/ EP) external-link
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Apr 6, 2022

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Laser Top Mark for ETSSOP and TSSOP Packages Assembled in ADPG [PNG] and UTL

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LTC3110EFE#TRPBF

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Laser Top Mark for ETSSOP and TSSOP Packages Assembled in ADPG [PNG] and UTL

LTC3110EFE#PBF

PRODUCTION

LTC3110EFE#TRPBF

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LTC3110HFE#PBF

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LTC3110IFE#PBF

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Software & Part Ecosystem

Parts Product Life Cycle Description

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Evaluation Kits 1

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DC1964A

LTC3110 Demo Board | Bidirectional Buck-Boost with Supercap Charger/Balancer, 1.8V ≤ VIN ≤ 5.5V, 1.8V or 3.2V VBACKUP at 2A

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DC1964A

LTC3110 Demo Board | Bidirectional Buck-Boost with Supercap Charger/Balancer, 1.8V ≤ VIN ≤ 5.5V, 1.8V or 3.2V VBACKUP at 2A

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DC1964A
LTC3110 Demo Board | Bidirectional Buck-Boost with Supercap Charger/Balancer, 1.8V ≤ VIN ≤ 5.5V, 1.8V or 3.2V VBACKUP at 2A
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Product Detail

Demonstration circuit 1964A is a 2A, bidirectional buckboost DC/DC regulator and charger/balancer, featuring the LTC3110 boost controller. Its wide voltage range both in capacitor/battery charger mode and in system backup mode makes it well suited to a wide variety of applications using supercapacitors and batteries.

Resources

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DC1964A - Design Files Download

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DC1964A - Demo Manual Download

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DC1964A - Schematic Download

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Evaluation Kits1

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DC1964A

LTC3110 Demo Board | Bidirectional Buck-Boost with Supercap Charger/Balancer, 1.8V ≤ VIN ≤ 5.5V, 1.8V or 3.2V VBACKUP at 2A

Tools & Simulations 1

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

To launch ready-to-run LTspice demonstration circuits for this part:

Step 1: Download and install LTspice on your computer.

Step 2: Click on the link in the section below to download a demonstration circuit.

Step 3: If LTspice does not automatically open after clicking the link below, you can instead run the simulation by right clicking on the link and selecting “Save Target As.” After saving the file to your computer, start LTspice and open the demonstration circuit by selecting ‘Open’ from the ‘File’ menu.

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LTC3110 - Power Management Download

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