DC-to-DC converter with fast load transient response and...

Details DC-to-DC converter with fast load transient response and... DC-to-DC converter with fast load transient response and...

2007-06-19

2007-06-19

Han, Jessica (Department: 2838)

Electricity: power supply or regulation systems

Output level responsive

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

C323S276000, C323S285000

Reexamination Certificate

active

10846569

ABSTRACT:
A DC-to-DC converter comprises a sense circuit to sense the output voltage of the converter to generate a feedback signal, a transconductive amplifier to amplify a difference between the feedback signal and a threshold signal to generate a first current and to generate a second current in response to a load transient, a charging circuit connected with the first current to generate a charging voltage, a driver to compare the charging voltage with two reference signals to generate a pair of low-side and high-side driving signals, and a fast response circuit to compare a load transient signal corresponding to the second current with a third reference signal to generate a bypass signal to drive the output stage of the converter in the load transient.

REFERENCES:
patent: 6140808 (2000-10-01), Massie
patent: 6215288 (2001-04-01), Ramsey et al.
patent: 6229292 (2001-05-01), Redl et al.
patent: 6897715 (2005-05-01), Barber et al.
patent: 6906536 (2005-06-01), Pearce et al.

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