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1A, 2MHz, 60V Boost/SEPIC/Inverting DC/DC Converter with IQ= 6µA

MILPITAS, CA - September 14, 2015 - Linear Technology Corporation announces the LT8330, a current mode, 2MHz step-up DC/DC converter with an internal 1A, 60V switch. It operates from an input voltage range of 3V to 40V, making it suitable for applications with input sources ranging from a single-cell Li-Ion to automotive inputs. The LT8330 can be configured as either a boost, SEPIC or an inverting converter. It utilizes a fixed 2MHz switching frequency, enabling designers to minimize external component sizes and avoid critical frequency bands, such as AM radio. Burst Mode® operation reduces quiescent current to only 6µA while keeping output ripple below 15mVP-P. The combination of a 3mm x 2mm DFN or TSOT-23 package and tiny externals ensures a very compact footprint while minimizing solution cost.

The LT8330’s 330mΩ switch delivers efficiencies of up to 90%. An accurate 1.6V EN/UVLO pin threshold allows undervoltage lockout (UVLO) to be programmed for optimal system performance. A single feedback pin enables programming of positive or negative output voltages. Other features include internal compensation, soft-start, frequency foldback and thermal shutdown protection.

The LT8330EDD is available in a 3mm x 2mm DFN-8 package and the LT8330ES6 is offered in a TSOT-23 package. Pricing starts at $2.50 each for 1,000 piece quantities. Industrial temperature -40°C to 125°C versions, the LT8330IDD and the LT8330IS6, are also available. High temperature -40°C to 150°C versions, the LT8330HDD and the LT8330HS6, are available as well. All versions are available from stock. For more information, visit www.linear.com/product/LT8330.

Summary of Features: LT8330

  • 3V to 40V Input Voltage Range
  • Ultralow Quiescent Current and Low Ripple Burst Mode® Operation:
    IQ = 6µA
  • 1A, 60V Power Switch
  • Positive or Negative Output Voltage Programming with a Single Feedback Pin
  • Fixed 2MHz Switching Frequency
  • Accurate 1.6V EN/UVLO Pin Threshold
  • Internal Compensation and Soft-Start
  • Low Profile 1mm ThinSOT™ Package
  • Low Profile 0.75mm 8-Lead 3mm x 2mm DFN Package

1A, 60V Boost/SEPIC/Inverting DC/DC Converter

LT8330 PR Photo

Click Photo for High-Res Image

The USA list pricing shown is for budgetary use only. International prices may differ due to local duties, taxes, fees and exchange rates.