FAN53525

FAN53525 — 3.0 A, 2.4 MHz, Digitally Programmable TinyBuck® Regulator July 2014 FAN53525 3.0A, 2.4MHz, Digitally Programmable TinyBuck® Regulator 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 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. Using a proprietary architecture with synchronous rectification, the FAN53525 is capable of delivering 3.0 A continuous at over 80% efficiency, maintaining that efficiency at load currents as low as 10 mA. The regulator operates at a nominal fixed frequency of 2.4 MHz, which reduces the value of the external components to 330 nH...