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Data Sheet
PDF
JP
User Guide Rev. A
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Alternative Parts

LTC3111
LTC3111

15V, 1.5A Synchronous Buck-Boost DC/DC Converter

LTC3129
LTC3129

15V, 200mA Synchronous Buck-Boost DC/DC Converter with 1.3μA Quiescent Current

Overview

Features and Benefits

  • Regulates VOUT Above, Below or Equal to VIN
  • Wide VIN Range: 2.4V to 25V, <1V to 25V (Using EXTVCC Input)
  • VOUT Range: 1V to 25V
  • Adjustable Output Voltage (LTC3130)
  • Four Selectable Fixed Output Voltages (LTC3130-1)
  • 1.2µA No-Load Input Current in Burst Mode® Operation (VIN = 12V, VOUT = 5V)
  • 600mA Output Current in Buck Mode
  • Pin-Selectable 850mA/450mA Current Limit (LTC3130)
  • Up to 95% Efficiency
  • Pin-Selectable Burst Mode Operation
  • 1.2MHz Ultralow Noise PWM Frequency
  • Accurate RUN Pin Threshold n Power Good Indicator
  • Programmable Maximum Power Point Control
  • IQ = 500nA in Shutdown
  • Thermally-Enhanced 20-Lead 3mm × 4mm QFN and 16-Lead MSOP Packages

Product Details

The LTC3130/LTC3130-1 are high efficiency, low noise, 600mA buck-boost converters with wide VIN and VOUT ranges. For high efficiency operation at light loads, BurstMode operation can be selected, reducing the quiescent current to just 1.6µA. Converter start-up is achieved from sources as low as 7.5µW.

TheLTC3130/LTC3130-1 employ an ultralow noise, 1.2MHz PWM architecture that minimizes solution footprint by allowing the use of tiny, low profile inductors and ceramic capacitors. Built-in loop compensation and soft-start reduces external parts count and simplifies the design. Features include an accurate RUN comparator threshold to allow predictable regulator turn-on and a maximum power point control (MPPC) capability that ensures maximum power extraction from non-ideal sources such as photovoltaic panels. The LTC3130-1 includes an internal voltage divider to provide four selectable fixed output voltages.

Additional features include a power good output, an external VCC input and thermal shutdown.

The LTC3130 and LTC3130-1 are available in thermally-enhanced 20-lead 3mm × 4mm QFN and 16-lead MSOP packages.

Applications

  • Long-Life, Battery-Operated Instruments
  • Portable Military Radios
  • Low Power Sensors
  • Solar Panel Post-Regulator/Charger

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This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.

Evaluation Kits (2)

Documentation & Resources

  • View All (5)
  • Data Sheet (1)
  • Reliability Data (1)
  • User Guide (2)
  • Technical Article (1)
    • Document Type

    Tools & Simulations

    LTspice

    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.

    LTspice

    Models for the following parts are available in LTspice:

    LTC3130
    LTC3130-1

    Product Recommendations

    LTC3130 Companion Parts

    Recommended Related Parts

    Design Resources

    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 Number Material Declaration Reliability Data Pin/Package Drawing CAD Symbols, Footprints & 3D Models
    LTC3130EMSE#PBF Material Declaration Reliability Data 16-Lead MSOP w/ EP
    LTC3130EMSE#TRPBF Material Declaration Reliability Data 16-Lead MSOP w/ EP
    LTC3130EMSE-1#PBF Material Declaration Reliability Data 16-Lead MSOP w/ EP
    LTC3130EMSE-1#TRPBF Material Declaration Reliability Data 16-Lead MSOP w/ EP
    LTC3130EUDC#PBF Material Declaration Reliability Data 20-Lead QFN (3mm x 4mm x 0.75mm w/ EP)
    LTC3130EUDC#TRPBF Material Declaration Reliability Data 20-Lead QFN (3mm x 4mm x 0.75mm w/ EP)
    LTC3130EUDC-1#PBF Material Declaration Reliability Data 20-Lead QFN (3mm x 4mm x 0.75mm w/ EP)
    LTC3130EUDC-1#TRPBF Material Declaration Reliability Data 20-Lead QFN (3mm x 4mm x 0.75mm w/ EP)
    LTC3130IMSE#PBF Material Declaration Reliability Data 16-Lead MSOP w/ EP
    LTC3130IMSE#TRPBF Material Declaration Reliability Data 16-Lead MSOP w/ EP
    LTC3130IMSE-1#PBF Material Declaration Reliability Data 16-Lead MSOP w/ EP
    LTC3130IMSE-1#TRPBF Material Declaration Reliability Data 16-Lead MSOP w/ EP
    LTC3130IUDC#PBF Material Declaration Reliability Data 20-Lead QFN (3mm x 4mm x 0.75mm w/ EP)
    LTC3130IUDC#TRPBF Material Declaration Reliability Data 20-Lead QFN (3mm x 4mm x 0.75mm w/ EP)
    LTC3130IUDC-1#PBF Material Declaration Reliability Data 20-Lead QFN (3mm x 4mm x 0.75mm w/ EP)
    LTC3130IUDC-1#TRPBF Material Declaration Reliability Data 20-Lead QFN (3mm x 4mm x 0.75mm w/ EP)
    Wafer Fabrication Data R539 Reliability Data

    PCN-PDN Information

    Select a model from the dropdown below to subscribe to PCN/PDN notifications and view past notifications as well.

    Select Model for PCN Information
    • LTC3130EMSE#PBF Production
    • LTC3130EMSE#TRPBF Production
    • LTC3130EMSE-1#PBF Production
    • LTC3130EMSE-1#TRPBF Production
    • LTC3130EUDC#PBF Production
    • LTC3130EUDC#TRPBF Production
    • LTC3130EUDC-1#PBF Production
    • LTC3130EUDC-1#TRPBF Production
    • LTC3130IMSE#PBF Production
    • LTC3130IMSE#TRPBF Production
    • LTC3130IMSE-1#PBF Production
    • LTC3130IMSE-1#TRPBF Production
    • LTC3130IUDC#PBF Production
    • LTC3130IUDC#TRPBF Production
    • LTC3130IUDC-1#PBF Production
    • LTC3130IUDC-1#TRPBF Production

    Support & Discussions

    LTC3130 Discussions

    Thermal Resistance
    RE: LTC 3440 LTspice Simulation (using macromodel's test fixture) works w/ 100 ohm load resistor (0.033A) but not 13.2 Ohms (.25A)
    RE: LTC3130 part numbering again
    All LTC3130 Discussions
    LTC3130 Contact ADI Technical Support »
    LTC3130 Ask your question »
    LTC3130 Contact ADI Technical Support » LTC3130 Ask your question »

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