LTC3130

RECOMMENDED FOR NEW DESIGNS

25V, 600mA Buck-Boost DC/DC Converter with 1.6µA Quiescent Current

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Overview

  • 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

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
LTC3130
25V, 600mA Buck-Boost DC/DC Converter with 1.6µA Quiescent Current
LTC3130 Typical Application Image 1 LTC3130 Typical Application Image 2 LTC3130 Package Image 1 LTC3130 Package Image 2
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Documentation

Data Sheet 1

Reliability Data 1

User Guide 2

Technical Articles 1

Data Sheet

This is the most up-to-date revision of the Data Sheet.

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Software Resources

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Hardware Ecosystem

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Protection Switches & Controllers 2
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Tools & Simulations

LTspice

Models for the following parts are available in LTspice:

  • LTC3130
  • LTC3130-1
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.

Latest Discussions

1 Years Ago
LTC3130 high power consumption with capacitive load
1 Years Ago
Unable to reach 12V output
2 Years Ago
LTC3130 - Charging when input voltage is below MPPC limit?
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