LTC3113
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LTC3113

3A Low Noise Buck-Boost DC/DC Converter

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LTspice LTC3113 Demo Circuit - Low Noise Buck-Boost Regulator (1.8-5.5V to 3.3V @ 3A) Download 3.00KB LTspice LTC3113 Demo Circuit - Low Noise Buck-Boost DC/DC for Pulsed Load or RF Power Amplifier (3.3V to 3.8V@3A) Download 2.00KB LTspice LTC3113 - Buck-Boost Regulators Download 1.79 KB
Part Models 8
1ku List Price Starting From $4.72
Features
  • Regulated Output with Input Voltage Above, Below or Equal to the Output Voltage
  • 1.8V to 5.5V Input and Output Voltage Range
  • 3A Continuous Output Current VIN > 3.0V, VOUT = 3.8V
  • 1.5A Continuous Output Current for VIN ≥ 1.8V, VOUT = 3.3V
  • Single Inductor
  • Low Noise Buck-Boost Architecture
  • Up to 96% Efficiency
  • Programmable Frequency from 300kHz to 2MHz
  • Selectable Burst Mode® Operation
  • Output Disconnect in Shutdown
  • Shutdown Current: <1μA
  • Internal Soft-Start
  • Small, Thermally Enhanced 16-Lead (4mm × 5mm × 0.75mm) DFN Package and 20-Lead TSSOP Package
Additional Details
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The LTC3113 is a wide VIN range, highly efficient, fixed frequency, buck-boost DC/DC converter that operates from input voltages above, below or equal to the output voltage. The topology incorporated in the IC provides low noise operation, making it well suited for RF and precision measurement applications.

The LTC3113 can deliver up to 3A of continuous output current to satisfy the most demanding applications. Higher output current is possible in stepdown (buck) mode. Integrated low RDS(ON) power MOSFETs and a programmable switching frequency up to 2MHz result in a compact solution footprint. Selectable Burst Mode operation improves efficiency at light loads.

Other features include <1μA shutdown current, integrated soft-start, short-circuit protection, current limit and thermal overload protection. The LTC3113 is housed in the thermally enhanced 16-lead (4mm × 5mm × 0.75mm) DFN and 20-lead TSSOP packages.

Applications

  • Wireless Modems
  • Backup Power Systems
  • Portable Inventory Terminals
  • Portable Barcode Readers
  • Portable Instrumentation
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file View Data Sheet
Documentation View All Documentation
LTspice LTC3113 Demo Circuit - Low Noise Buck-Boost Regulator (1.8-5.5V to 3.3V @ 3A) Download 3.00KB LTspice LTC3113 Demo Circuit - Low Noise Buck-Boost DC/DC for Pulsed Load or RF Power Amplifier (3.3V to 3.8V@3A) Download 2.00KB LTspice LTC3113 - Buck-Boost Regulators Download 1.79 KB
Part Models 8
1ku List Price Starting From $4.72
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LTC3113

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Data Sheet

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UPDATED 11/23/2010
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LTC3113: 3A Low Noise Buck-Boost DC/DC Converter Data Sheet

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UPDATED 01/16/2011
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LTC3113: 低ノイズの3A昇降圧DC/DCコンバータ データシート

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User Guide

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UPDATED 01/24/2011
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DC1551A - Demo Manual redirect icon

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UPDATED 03/26/2018
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R457 Reliability Data redirect icon

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UPDATED 04/01/2011
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3A Output, 96% Efficient Buck-Boost DC/DC Converter Sets the Standard for Power Density and Noise Performance redirect icon

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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
LTC3113EDHD#PBF 16-Lead DFN (5mm x 4mm w/ EP) external-link
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LTC3113EDHD#TRPBF 16-Lead DFN (5mm x 4mm w/ EP) external-link
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LTC3113EFE#PBF 20-Lead TSSOP w/ EP external-link
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  • Material Declaration external-link
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LTC3113EFE#TRPBF 20-Lead TSSOP w/ EP external-link
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  • Material Declaration external-link
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  • Reliablity Data external-link
LTC3113IDHD#PBF 16-Lead DFN (5mm x 4mm w/ EP) external-link
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  • Material Declaration external-link
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  • Reliablity Data external-link
LTC3113IDHD#TRPBF 16-Lead DFN (5mm x 4mm w/ EP) external-link
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LTC3113IFE#PBF 20-Lead TSSOP w/ EP external-link
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LTC3113IFE#TRPBF 20-Lead TSSOP w/ EP external-link
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Jun 30, 2020

- 20_0244

Notification of Wafer Fab Location Change for 0.6µm CMOS Process Devices from ADI Milpitas (Hillview) to Vanguard Int. (Taiwan)

LTC3113EDHD#PBF

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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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LTC3113EFE#TRPBF

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LTC3113IFE#PBF

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Jun 30, 2020

- 20_0244

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Notification of Wafer Fab Location Change for 0.6µm CMOS Process Devices from ADI Milpitas (Hillview) to Vanguard Int. (Taiwan)

LTC3113EDHD#PBF

PRODUCTION

LTC3113EDHD#TRPBF

PRODUCTION

LTC3113EFE#PBF

PRODUCTION

LTC3113EFE#TRPBF

PRODUCTION

LTC3113IDHD#PBF

PRODUCTION

LTC3113IDHD#TRPBF

PRODUCTION

LTC3113IFE#PBF

PRODUCTION

LTC3113IFE#TRPBF

PRODUCTION

pdf

PCN20_0244_Form

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xls

Material_Report

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xlsm

Delta Qualification Matrix

Download

pdf

Qualification Results Summary

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pdf

Other

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Apr 6, 2022

- 22_0068

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

LTC3113EFE#PBF

PRODUCTION

LTC3113EFE#TRPBF

PRODUCTION

LTC3113IFE#PBF

PRODUCTION

LTC3113IFE#TRPBF

PRODUCTION

pdf

PCN22_0068_Form

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xls

Material_Report

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xlsm

Delta Qualification Matrix

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Software & Part Ecosystem

Parts Product Life Cycle Description

PowerPath, Ideal Diodes, and Load Switches1
LTC4417
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Evaluation Kits 1

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DC1551A

LTC3113EDHD Demo Board

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DC1551A

LTC3113EDHD Demo Board

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DC1551A
LTC3113EDHD Demo Board
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Product Detail

Demonstration Circuit 1551A is a wide Vin range, highly efficient, fixed frequency buck-boost converter. The unique 4-switch, single inductor architecture provides low noise and seamless operation from input voltages above, below, or equal to the output voltage. The LTC3113 features selectable PWM or Burst Mode operation and an oscillator with a programmable frequency from 300kHz to 2MHz. The LTC3113 can deliver up to 3A of continuous output current to satisfy most demanding applications. Higher output currents are possible in step-down (buck) mode. The LTC3113 operates with a 1.8V to 5.5V input and output voltage range. The demonstration board has been designed to operate over the full input voltage range, with VOUT set to 3.3V and IOUT of 3.0A. For VIN < 3V, IOUT capability is reduced.

Resources

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DC1551 - Schematic Download

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DC1551A - Demo Manual Download

771.00K

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DC1551A - Design Files Download

691.00K

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Evaluation Kits1

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DC1551A

LTC3113EDHD Demo Board

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.

spice tool Lt Spice

LTC3113 Demo Circuit - Low Noise Buck-Boost Regulator (1.8-5.5V to 3.3V @ 3A) Download

3.00K

spice tool Lt Spice

LTC3113 Demo Circuit - Low Noise Buck-Boost DC/DC for Pulsed Load or RF Power Amplifier (3.3V to 3.8V@3A) Download

2.00K

spice tool Lt Spice

LTC3113 - Buck-Boost Regulators Download

1.79 K

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