ADP5051 - Analog Devices

ADP5051 Integrated Power Solution

The ADP5051 combines four high performance buck regulators and a supervisory circuit with a voltage monitor, a watchdog function, and a manual reset in a 48-lead LFCSP package that meets demanding performance and board space requirements. The device enables direct connection to high input voltages up to 15.0 V with no preregulators. Channel 1 and Channel 2 i.

Features

Wide input voltage range: 4.5 V to 15.0 V ±1.5% output accuracy over full temperature range 250 kHz to 1.4 MHz adjustable switching frequency Adjustable/fixed output options via factory fuse or I2C interface I2C interface with interrupt on fault conditions Power regulation Channel 1 and Channel 2: programmable 1.2 A/2.5 A/4 A sync buck regulators with low-side FET driver Channel 3 and Channel 4: 1.2 A sync buck regulators Single 8 A output (Channel 1 and Channel 2 in parallel) Dynamic voltage scaling (DVS) for Channel 1 and Channel 4 Precision enable with 0.8 V accurate threshold Active output.