Product Description

The CM3019 is a CMOS linear voltage regulator with low quiescent current, very low drop out voltage and better than 1 initial output voltage accuracy.

The quiescent current is typically 150µA at light loads and only 165µA at 500mA. This is 5 more efficient than equivalent Bi-CMOS devices that can waste up to 25mA at 500mA.

Features

• 500mA output current capability

• 500mA peak in SOT-23 package

• 500mA continuous in MSOP package

• 500mV maximum dropout voltage at full load

• Excellent line and load regulation

• Stable with any output capacitor

• Ultra low noise with optional bypass capacitor

• Fast power-up with bypass capacitor

• “Zero” current in Shutdown mode

• Thermal Overload Protection

• Foldback Current Limiting Protection

• Reverse current protection

Applications

• Notebook, and palmtop computers

• Cell phones and battery powered devices

• Consumer and personal electronics

• PC Card Vcc and Vpp regulation and switching