GENERAL DESCRIPTION
The ADP2164 is a 4 A, synchronous, step-down, dc-to-dc regulator in a compact 4 mm × 4 mm LFCSP package. The regulator uses a current mode, constant frequency pulse-width modulation (PWM) control scheme for excellent stability and transient response.

FEATURES
    4 A continuous output current
    43 mΩ and 29 mΩ integrated FET
    ±1.5% output accuracy
    Input voltage range: 2.7 V to 6.5 V
    Output voltage: 0.6 V to VIN
    Switching frequency
        Fixed frequency: 600 kHz or 1.2 MHz
        Adjustable frequency: 500 kHz to 1.4 MHz
    Synchronizable from 500 kHz to 1.4 MHz
    Selectable synchronize phase shift: 0° or 180°
    Current mode architecture
    Precision enable input
    Power-good output
    Voltage tracking input
    Integrated soft start
    Internal compensation
    Starts up into a precharged output
    UVLO, OVP, OCP, and thermal shutdown
    Available in 16-lead, 4 mm × 4 mm LFCSP package
    Supported by ADIsimPower™ design tool

APPLICATIONS
    Point-of-load conversion
    Communications and networking equipment
    Industrial and instrumentation
    Consumer electronics