General Description

The MAX1598 low-noise, low-dropout linear regulator operates from a 2.5V to 6.5V input and delivers up to 200mA. Typical output noise is 30µVRMS, and typical dropout is only 236mV at 200mA. The output voltage is preset to voltages from 2.5V to 5V in 100mV increments.

Features

♦ 200mA Output Current

♦ Low Output Noise: 30µVRMS

♦ Low 55mV Dropout at 50mA Output

♦ Low 85µA No-Load Supply Current

♦ Low 100µA Operating Supply Current, Even in Dropout

♦ Thermal-Overload and Short-Circuit Protection

♦ Reverse Battery Protection

♦ Output Current Limit

♦ Preset Output Voltages

♦ 10nA Logic-Controlled Shutdown

Applications

    Cellular, Cordless, and PCS Phones

    PCMCIA Cards

    Modems

    Hand-Held Instruments

    Palmtop Computers

    Electronic Planners