Adjustable switching regulator ADP5056

buck

Operation up to 150°C junction temperature −0.62% to +0.69% feedback voltage accuracy (−40°C to +125°C junction temperature) Channel 1 and Channel 2: 7 A synchronous buck regulator (9.4 A minimum valley current limit) Channel 1 and Channel 2: 14 A output in parallel operation Channel 3: 3 A synchronous buck regulator (4.2 A minimum valley current limit) 250 kHz to 2500 kHz adjustable switching frequency External compensation for fast load transient response Precision enable pin with 0.615 V accurate reference voltage Programmable power-up and power-down sequence Selective FPWM/PSM mode selection Frequency synchronization input or output Power-good flag for three channels Active output discharge switch UVLO, overcurrent protection, and TSD protection 43-terminal, 5 mm × 5.5 mm LGA package The ADP5056 combines three high performance buck regulators in a 43-terminal land grid array (LGA) package that meets the demanding performance and board space requirements. The device enables direct connection to high input voltages up to 18 V with no preregulators. All channels integrate both high-side and low-side power metaloxide semiconductor field effect transistors (MOSFETs) to achieve an efficiency optimized solution. Channel 1 and Channel 2 deliver a programmable output current of 3.5 A or 7 A, or provide a single output with up to 14 A of current in parallel operation. Channel 3 delivers a programmable output current of 1.5 A or 3 A. The switching frequency of the ADP5056 can be programmed or synchronized to an external clock.