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