Description

The FAN53525 is a step-down switching voltage regulator that delivers a digitally programmable output from an input voltage supply of 2.5 V to 5.5 V. The output voltage is programmed through an I2C interface capable of operating up to 3.4 MHz.

Features

■ Fixed-Frequency Operation: 2.4 MHz

■ Best-in-Class Load Transient

■ Continuous Output Current Capability: 3.0 A

■ 2.5 V to 5.5 V Input Voltage Range

■ Digitally Programmable Output Voltage:

- 0.600 V to 1.39375 V in 6.25 mV Steps

■ Programmable Slew Rate for Voltage Transitions

■ I2C-Compatible Interface Up to 3.4 Mbps

■ PFM Mode for High Efficiency in Light Load

■ Quiescent Current in PFM Mode: 50 µA (Typical)

■ Input Under-Voltage Lockout (UVLO)

■ Thermal Shutdown and Overload Protection

■ 15-Bump Wafer-Level Chip Scale Package (WLCSP)

Applications

■ Application, Graphic, and DSP Processors

- ARM™, Tegra™, OMAP™, NovaThor™, ARMADA™, Krait™, etc.

■ Hard Disk Drives, LPDDR3

■ Tablets, Netbooks, Ultra-Mobile PCs

■ Smart Phones

■ Gaming Devices