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IC-Hersteller ADI Power by Linear

ADI Power by Linear LT3495B-1

650mA/350mA Micropower Low Noise Boost Converter with Output Disconnect


Eingangsspannung2.5-16 V
Ausgang 140 V / 0.35 A


The LT®3495/LT3495B/LT3495-1/LT3495B-1 are low noise boost converters with integrated power switch, feedback resistor and output disconnect circuitry. The parts control power delivery by varying both the peak inductor current and switch off-time. This novel* control scheme results in low output voltage ripple as well as high efficiency over a wide load range. For the LT3495/LT3495-1, the off-time of the switch is not allowed to exceed a fixed level, guaranteeing the switching frequency stays above the audio band for the entire load range. The parts feature a high performance NPN power switch with a 650mA and 350mA current limit for the LT3495/LT3495B and LT3495-1/LT3495B-1 respectively. The quiescent current is a low 60μA, which is further reduced to less than 0.1μA in shutdown. The internal disconnect circuitry allows the output voltage to be isolated from the input during shutdown.An auxiliary reference input (CTRL pin) overrides the internal 1.235V feedback reference with any lower value allowing full control of the output voltage during operation. The LT3495 series are available in a tiny 10-lead 3mm × 2mm DFN package.


  • Low Quiescent Current60μA in Active Mode0.1μA in Shutdown Mode
  • Low Noise Control Scheme (Switching FrequencyAlways Stays Above Audible Range for LT3495/-1)
  • Integrated Power NPN:650mA Current Limit (LT3495/B)350mA Current Limit (LT3495-1/B-1)
  • Integrated Output Disconnect
  • Integrated Output Dimming
  • Wide input range: 2.5V to 16V
  • Wide output range: Up to 40V
  • Integrated feedback resistor
  • Tiny 10-Lead 3mm × 2mm DFN Package


  • Inductor Values are Given In Page No-9

Typische Anwendungen

  • Low Noise Power
  • MP3 Player
  • OLED Power

Weiterführende Informationen