UC3555 Description
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.
UC3555 Key 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-Drawback protection