Timing circuit for synchronous DC/DC control to reduce...

Details Timing circuit for synchronous DC/DC control to reduce... Timing circuit for synchronous DC/DC control to reduce...

2005-03-01

2005-03-01

Riley, Shawn (Department: 2838)

Electricity: power supply or regulation systems

In shunt with source or load

Using a three or more terminal semiconductive device

C323S284000

Reexamination Certificate

active

06861826

ABSTRACT:
A control device and method for synchronizing activation and deactivation of a high-side switch (102) and a low-side switch (104) in a converter including an input (421) for receiving a reference signal from a signal generator and circuitry (400) coupled to the input and responsive to the reference signal for providing a control signal (422) for the high-side switch (102) having a constant pulse width corresponding the pulse width of the reference signal, and for providing a control signal (423) for the low-side (104) switch having a pulse width which is modulated on both the trailing edge and leading edge thereof for providing synchronization between activation and deactivation of the high-side switch (102) and the low-side switch (104) via the respective control signals.

REFERENCES:
patent: 5592071 (1997-01-01), Brown
patent: 5757173 (1998-05-01), Agiman
patent: 6396250 (2002-05-01), Bridge

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