UM1660 Datasheet - Union Semiconductor

UM1660 Low Power DC/DC Boost Converter

The UM1660 is a PFM controlled step-up DC-DC converter with a switching frequency up to 1MHz. The device is ideal to generate output voltage for small to medium LCD bias supplies and white LED backlight supplies from a single cell Li-Ion battery. The part can also be used to generate standard 3.3V/.

UM1660 Features

* LCD Bias Supply

* White LED Supply for LCD Backlights

* Digital Still Camera

* PDAs, Organizers and Handheld PCs

* Cellular Phones

* Standard 3.3V/5V to 12V Conversion

* 2.0V to 6.0V Input Voltage Range

* Adjustable Output Voltage up to 28V

* 400mA Internal Sw

UM1660-UnionSemiconductor.pdf