* 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 * interna.

* FEATURES * Low power PFM step-up DC/DC * Low input voltage range from 1.6V to 4.5V * Adjustable output voltage fr.

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.

UC3550

UC3551

UC3552

UC3500

UC3501

UC3524

UC3524A

UC3525A

UC3525B

UC3526

UC3526A

UC3527A

UC3527B

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