Linear Technology LTC3589IUJ-1#PBF

Description
The LTC3589 is a complete power management solution for ARM and ARM-based processors and advanced portable microprocessor systems. It contains three step-down DC/DC converters for core, memory, and SoC rails, a buck-boost regulator for I/O at 1.8V to 5V, and three 250mA LDO regulators for low noise analog supplies. An I²C serial port controls enables, output voltage levels, dynamic voltage scaling, operating modes, and status reporting.

Features
Triple I²C Adjustable High Efficiency Step-Down DC/DC Converters: 1.6A, 1A/1.2A, 1A/1.2A
High Efficiency 1.2A Buck-Boost DC/DC Converter
Triple 250mA LDO Regulators
Pushbutton ON/OFF Control with System Reset
Flexible Pin-Strap Sequencing Operation
I²C and Independent Enable Control Pins
Power Good and Reset Outputs
Dynamic Voltage Scaling and Slew Rate Control
Selectable 2.25MHz or 1.12MHz Switching Frequency
Always-Alive 25mA LDO Regulator
8μA Standby Current
40-Pin 6mm x 6mm x 0.75mm QFN

Applications
Handheld Instruments and Scanners
Portable Industrial Devices
Automotive Infotainment
Medical Devices
High End Consumer Devices
Multirail Systems
Supports Freescale i.MX53/51, Marvell PXA, and Other Application Processors