Non-isolated buck converter with input current steering

Details Non-isolated buck converter with input current steering Non-isolated buck converter with input current steering

1998-08-07

1999-12-28

Nguyen, Matthew

Electric power conversion systems

Current conversion

Including d.c.-a.c.-d.c. converter

323222, H02M 3335, G05F 1656

Patent

active

060089997

ABSTRACT:
A non-isolated buck converter with input and output current steering. The input current steering is connected across the input switching transistor and steers input current to the output when the switch is turned off, thereby preventing the input current from pulsating between on and off states. The output current steering is connected across the low-pass output filter and further steers the steered input current back to the input dc voltage source. This prevents the steered input current from adding to the normal output current and thereby producing a pulsating output current. The ratio of the output dc voltage to the input dc voltage is proportional to the switching duty cycle.

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