Electronic Products & Technology

60V synchronous step-down dc-dc controller specified up to 150C

EP&T Magazine   


LINEAR TECHNOLOGY LTC3810H-5 high input voltage synchronous step-down dc-dc controller with guaranteed specifications for junction temperatures as high as 150C. Device employs a constant on-time valley current-mode control architecture, delivering very low duty cycles and extremely fast transient response with accurate cycle-by-cycle current limit without requiring a sense resistor. The rugged device can directly step down voltages from 60V to an output voltage ranging from 0.8V to 93% of VIN. The powerful 1 Ohm onboard gate drivers minimize switching losses associated with driving N-channel MOSFETs at high frequency and high voltage for output currents up to 25A.



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