DESCRIPTION

The MP8801 is a low-noise, low-dropout linear regulator. It operates from a 2.7V to 6.5V input voltage and regulates the output voltage with 2 accuracy at 2.5V, 2.85V or 3.3V. The internally set output voltage may be overridden with an external resistor divider from 1.25V to 5V.

FEATURES

• Low 100mV Dropout at 100mA Output

• 2 Accurate Output Voltage

• Fixed Output Voltage Options of 2.5V, 2.85V or 3.3V

• Adjustable Output Voltage from 1.25V to 5V using an External Resistor Divider

• Up to 6.5V Input Voltage

• High PSRR

o 70dB at 1KHz

o 30dB at 1MHz

• Better Than 0.001/mA Load Regulation

• Stable With Low-ESR Output Capacitor

• Low 125µA Ground Current

• Internal Thermal Protection

APPLICATIONS

• 802.11 PC Cards

• Mobile Handset PLL Power

• Audio Codec Power