UC3555 - 500MA HIGH EFFICIENCY BOOST REGULATOR
The UC3555 is a micropower step-up DC/DC in 8-lead TSSOP package.
It is designed for 2-cell battery powered systems such as digital cameras, cell phones and PDAs.
The regulator starts-up at 1.3V and operates after the start at an input voltage as low as 1V.
A Minimum off-time, variable on-time contr
UC3555 Features
* Low power PFM step-up DC/DC
* Low input voltage range from 1.6V to 4.5V
* Adjustable output voltage from 3V to 5V
* 500mA output current
* 95% peak Efficiency
* internal synchronous rectifier
* Low battery detection
* Current limited protection
* Current Anti-Dr
