General Description
The MAX8530/MAX8531 offer the benefits of lowdropout voltage and ultra-low power regulation in subminiaturized UCSP and QFN packages with an integrated microprocessor reset circuit (MAX8530 only). The devices operate from a 2.5V to 6.5V input and deliver up to 200mA and 150mA outputs with low dropout of 100mV (typ) at 100mA. Designed with an internal P-channel MOSFET pass transistor, the supply current is kept at a low 130µA (with both LDOs on), independent of the load current and dropout voltage. Other features include short-circuit protection and thermal-shutdown protection.

Features
♦ Guaranteed 200mA Output Current for OUT1
♦ Guaranteed 150mA Output Current for OUT2
♦ Low 100mV (typ) Dropout at 100mA Load for both LDOs
♦ Open-Drain, Active-Low 100ms (min) Reset Timer (MAX8530)
♦ Low 40µVRMS Output Noise (MAX8531)
♦ Low 130µA Operating Supply Current
♦ <1µA Shutdown Current
♦ Thermal-Overload and Short-Circuit Protection
♦ Output Current Limit
♦ Tiny Packages Available
    1.16 x 1.57 x 0.6mm UCSP (3 x 2 Grid) 3mm x 3mm Thin QFN

Applications
    Cellular and Cordless Phones
    PDAs and Palmtop Computers
    Notebook Computers
    Digital Cameras
    PCMCIA Cards
    Wireless LAN Cards
    Hand-Held Instruments