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LT8365 DC/DC Converter

Analog Devices Inc

LT8365 DC/DC Converter

Analog Devices' LT8365 is a high voltage micropower boost and inverting converter

ADI's LT8365 is a current mode DC/DC converter with a 1.5 A, 150 V switch operating from a 2.8 V to 60 V input. With a unique single feedback pin architecture, it is capable of boost, SEPIC, or inverting configurations. Burst Mode® operation consumes as low as 9 µA quiescent current to maintain high efficiency at very low output currents while keeping typical output ripple below 15 mV.

An external compensation pin allows optimization of loop bandwidth over a wide range of input and output voltages and programmable switching frequencies between 100 kHz and 500 kHz. A SYNC/MODE pin allows synchronization to an external clock. It can also be used to select between burst or pulse-skipping modes of operation with or without spread spectrum frequency modulation for low EMI. For increased efficiency, a BIAS pin can accept a second input to supply the INTVCC regulator. Additional features include frequency foldback and programmable soft-start to control inductor current during startup.

The LT8365 is available in a thermally enhanced 16-lead MSOP package with four pins removed for high voltage pin spacings.

Features
  • Wide input voltage range: 2.8 V to 60 V
  • Ultra-low quiescent current and low ripple Burst Mode operation: IQ = 9 µA
  • 1.5 A, 150 V power switch
  • Positive or negative output voltage programming with a single feedback pin
  • Programmable frequency: 100 kHz to 500 kHz
  • Synchronizable to an external clock
  • Spread spectrum frequency modulation for low EMI
  • BIAS pin for higher efficiency
  • Programmable undervoltage lockout (UVLO)
  • Thermally enhanced 16-lead MSOP package
  • AEC-Q100 qualification in progress
Applications
  • Industrial and automotive
  • Telecom
  • Medical diagnostic equipment
  • Portable electronics

Evaluation Boards

ImageManufacturer Part NumberDescriptionAvailable QuantityView Details
EVAL BOARD FOR LT8365 +250VOUTDC2838AEVAL BOARD FOR LT8365 +250VOUT0View Details
EVAL BOARD FOR LT8365 -250VOUTDC2840AEVAL BOARD FOR LT8365 -250VOUT9 - ImmediateView Details

DC/DC Converters

ImageManufacturer Part NumberDescriptionAvailable QuantityView Details
60VIN BOOST/SEPIC/INV CONV 1.5A/LT8365EMSE#PBF60VIN BOOST/SEPIC/INV CONV 1.5A/222 - ImmediateView Details
60VIN BOOST/SEPIC/INV CONV 1.5A/LT8365HMSE#PBF60VIN BOOST/SEPIC/INV CONV 1.5A/37 - ImmediateView Details
60VIN BOOST/SEPIC/INV CONV 1.5A/LT8365JMSE#PBF60VIN BOOST/SEPIC/INV CONV 1.5A/23 - ImmediateView Details