Variable Frequency Micropower Step-up DC-DC Converter

The MC33468 is a micropower step–up switching voltage regulator, specifically designed for handheld and pager applications, to provide a regulated output voltage using a minimum of external parts. This device features a quiescent bias current of 3.0 µA typical.

MC33468 Features:

• Low Quiescent Bias Current of 3.0 µA

• High Output Voltage Accuracy of ±2.5

• Low Startup Voltage of 0.8 V at No Load

• Output Voltage Set With External Resistors

• Operating Temperature Range: –40°C to +85°C

• Surface Mount Package