MAX77503AEVKIT#

MAX77503AEVKIT# is a MAX77503 evaluation kit (EV kit) which is a fully assembled and tested PCB that demonstrates the MAX77503 synchronous step-down (buck) converter. The EV kit is a step-down voltage regulator circuit using MAX77503 that is capable of 3V to 14V input, 1.5A continuous load, and output voltage adjustable between 0.8V and 5V (internal feedback options) or 1.55V and 99% of the input voltage (external feedback option). The EV kit features a dual-range electronic load that allows easy evaluation of loading use cases for the buck converter circuit. Steady-state, transient, or random load profiles can be programmed. A USB-to-I2C translator circuit allows a Windows®-based PC to run a graphical user interface (GUI) for easy control of the MAX77503 registers as well as the on-board electronic load.

• Proven PCB reference design and layout
• Simple hardware control: jumpers and test points for EN, BIASEN, and POK
• GUI drives I2C interface for optional software control
• Fully assembled and tested
• USB to I2C converter allows for easy communication
• Level translator (MAX3395) allows for adjusting I2C bus voltage from 1.8V to 3.3V
• On-board electronic load emulates system loading: steady-state, transient and random modes
• 115μA no load supply current at 12V supply
• 3.34V output voltage at no load (skip mode)

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