Comparison of continuous and discontinuous Current Source Drivers for high frequency applications

Comprehensive comparison of continuous and discontinuous Current Source Drivers (CSDs) are presented in terms of switching loss reduction, gate energy recovery, range of duty cycle and fast dynamic response. The advantages and disadvantages of the continuous and discontinuous CSDs are summarized. Overall, the discontinuous CSDs achieve better performance over the continuous CSDs. A 12 V input, 1.3V/30A output and 1 MHz buck converter was built to verify the difference between these two types of the CSDs.