General Description

The MIC2142 is a micropower boost switching regulator housed in a SOT23-5 package. The input voltage range is between 2.2V to 16V, making the device suitable for one-cell Li Ion and 3 to 4-cell alkaline/NiCad/NiMH applications. The output voltage of the MIC2142 can be adjusted up to 22V.

Features

• 2.2V to 16V input voltage

• Up to 22V output voltage

• 330kHz switching frequency

• 0.1µA shutdown current

• 85µA quiescent current

• Implements low-power boost, SEPIC, or flyback

• SOT23-5 package

Applications

• LCD bias supply

• White LED driver

• 12V Flash memory supply

• Local 3V to 5V conversion