Wide Output Range Step-Up Converter

  • Maximum Output Voltage up to 40V
  • VIN: 2.7V~5.5V
  • High efficiency PWM converter (up to 88%)
  • 0.8MHz switching frequency
  • Simple, small solution size
  • Integrated high current switch (1.5A limit)
  • 250mA at 12V output from 3V input
  • Cycle-by-cycle inductor current limit
  • Integrated Softstart
  • 0.1 µA shutdown current
  • Small SOT23-5 or TSOT23-5 Package
  • RoHS and Green compliant
  • -40˚C to +85˚C Temperature Range

Applications

  • Handheld Devices
  • LCD or OLED bias
  • Notebook PC
  • Digital Still Cameras
  • Video Cameras
  • External Modems
  • Medical Devices
  • Instrumentation

Key Electrical Specifications

Vin(Min) Vin(Max) Control Switching Frequency Vout Output Auto-Discharge Max Current Package
2.7V 5.5V EN 0.8(MHz) Vin < Vout < 40V No 0.25A (@12Vout) SOT23-5, TSOT23-5

Typical Application Diagram

KTC218