PWM-based DC-DC converter with assured dead time control...

Details PWM-based DC-DC converter with assured dead time control... PWM-based DC-DC converter with assured dead time control...

2005-09-06

2005-09-06

Laxton, Gary L (Department: 2838)

Electricity: power supply or regulation systems

Output level responsive

Using a three or more terminal semiconductive device as the...

C327S108000, C327S398000

Reexamination Certificate

active

06940262

ABSTRACT:
A control circuit for a switch mode DC-DC converter contains an arrangement of monitored LGATE, UGATE and PHASE node condition threshold detectors, outputs of which are processed in accordance with a switching control operator to ensure that each of an upper FET (UFET) and a lower FET (LFET) is completely turned off before the other FET begins conduction, thereby maintaining a dead time that exhibits no shoot-through current and is independent of the type of switching FET.

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