General Description

The MAX8940 low-noise, low-dropout (LDO) linear regulator is designed to deliver up to 120mA continuous output current. This regulator achieves a low 120mV dropout for 120mA load current. The MAX8940 uses an advanced architecture to achieve low output voltage noise of 25µVRMS and PSRR of 45dB at 100kHz.

Features

♦ Space-Saving SC70

♦ 25µVRMS Output Noise at 100Hz to 100kHz Bandwidth

♦ 65dB PSRR at 10kHz

♦ 120mV Dropout at 120mA Load

♦ Stable with 1µF Ceramic Capacitor for Any Load

♦ Guaranteed 120mA Output

♦ Output Voltages: 2.8V or 3V

♦ Low 40µA Ground Current

♦ Excellent Load/Line Transient

♦ Overcurrent and Thermal Protection

Applications

   Cellular and Cordless Phones

   PDA and Palmtop Computers

   Base Stations

   Bluetooth Portable Radios and Accessories

   Wireless LANs

   Digital Cameras

   Personal Stereos

   Portable and Battery-Powered Equipment