Analog Devices Inc.

The ADP5051 combines four high performance buck regulators,and a supervisory circuit with a voltage monitor, watchdog, andmanual reset in a 48-lead LFCSP package that meets demandingperformance and board space requirements. The device enablesdirect connection to high input voltages up to 15.0 V with nopreregulators.Channel 1 and Channel 2 integrate high-side power MOSFET andlow-side MOSFET drivers. In low-side power devices, use externalNFETs to achieve an efficiency optimized solution and deliver aprogrammable output current of 1.2 A, 2.5 A, or 4 A.Combining Channel 1 and Channel 2 in a parallel configurationprovides a single output with up to 8 A of current. Channel 3 andChannel 4 integrate both high-side and low-side MOSFETs todeliver an output current of 1.2 A.The ADP5051 supervisory circuits monitor voltage level. Thewatchdog timer generates a reset when the WDI does not togglewithin a preset timeout period. Select manual reset functionalityvia the processor reset mode or system power on/off switch mode.The optional I2C interface offers flexible configurations, including adjustable and fixed output voltage, junction temperature overheat warning, low input voltage detection, and dynamic voltage scaling.APPLICATIONS Small cell base stations FPGA and processor applications Security and surveillance Medical applications

$57.68 - $61.25