Power Electronics / Power Management


20 A power module

1 July 2015 Power Electronics / Power Management

Exar’s XR79120 is a 20 A single-output, synchronous step-down power module in a compact 12 x 14 x 4 mm footprint. It offers greater than 93% peak efficiency and leverages patented constant on-time (COT) control across a 4,5 V to 22 V input voltage range. The device provides an easy to use, fully integrated power converter integrating MOSFETs, inductors and internal input and output capacitors. QFN-based package technology provides superior thermal performance, eases electrical debugging and improves manufacturability with higher assembly yield and the ability to visually inspect solder joints. At 50°C with no airflow, no thermal deratings are required for output voltages of 1,8 V and below.



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