FAN53555

FAN53555 — 5 A, 2.4 MHz, Digitally Programmable TinyBuck™ Regulator January 2015 FAN53555 5 A, 2.4 MHz, Digitally Programmable TinyBuck® Regulator Features  Fixed-Frequency Operation: 2.4 MHz  Best-in-Class Load Transient  Continuous Output Current Capability: 5 A  Pulse Current Capability: 6.5 A (05 Option)  2.5 V to 5.5 V Input Voltage Range  Digitally Programmable Output Voltage: - 00/01/03/05/08/18 Options: 0.6-1.23 V in 10 mV Steps - 04/042/09/ Options: 0.603-1.411 V in 12.826 mV Steps - 23 Option: 0.60-1.3875 V in 12.5 mV Steps - 24 Option: 0.603-1.420 V in 12.967 mV Steps - 13 Option: 0.8-1.43 V in 10 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: 60 µA (Typical)  Internal Soft-Start  Input Under-Voltage Lockout (UVLO)  Thermal Shutdown and Overload Protection  20-Bump Wafer-Level Chip Scale Package (WLCSP) Applications  Application, Graphic, and DSP Processors - ARM™, Krait™, OMAP™, NovaThor™, ARMADA™  Hard Disk Drives  Tablets, Netbooks, Ultra-Mobile PCs  Smart Phones  Gaming Devices All trademarks are the property of their respective owners. © 2010 Fairchild Semiconductor Corporation FAN53555 Rev. 1.13 Description The FAN53555 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 interfac...