ADP5054

Data Sheet FEATURES Wide input voltage range: 4.5 V to 15.5 V ±1.5% output accuracy over full temperature range 250 kHz to 2 MHz adjustable switching frequency with individual ½× frequency option Power regulation Channel 1 and Channel 2 Programmable 2 A/4 A/6 A sync buck regulators with low-side FET drivers Channel 3 and Channel 4: 2.5 A sync buck regulators Flexible parallel operation Single 12 A output (Channel 1 and Channel 2 in parallel) Single 5 A output (Channel 3 and Channel 4 in parallel) Low 1/f noise density 40 μV rms at 0.8 VREF for 10 Hz to 100 kHz Precision enable with 0.811 V accurate threshold Active output discharge switch FPWM/PSM mode selection Frequency synchronization input or output Power-good flag for Channel 1 output UVLO, OCP, and TSD protection 48-lead, 7 mm × 7 mm LFCSP −40°C to +125°C operational junctional temperature range APPLICATIONS FPGA and processor applications Small cell base stations Security and surveillance Medical applications GENERAL DESCRIPTION The ADP5054 combines four high performance buck regulators in a 48-lead LFCSP package that meets demanding performance and board space requirements. The device enables direct connection to high input voltages of up to 15.5 V with no preregulators. Channel 1 and Channel 2 integrate high-side power metal-oxide semiconductor field effect transistors (MOSFETs ) and low-side MOSFET drivers. External NFETs can be used in low-side power devices to achieve an efficiency optimized solution and to de...