Controller for DC to DC converter

Details Controller for DC to DC converter Controller for DC to DC converter

2005-11-15

2005-11-15

Patel, Rajnikant B. (Department: 2838)

Electricity: power supply or regulation systems

Output level responsive

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

C323S224000, C323S285000

Reexamination Certificate

active

06965221

ABSTRACT:
A controller for a DC to DC converter is configured to provide a PWM signal in a first state during a first time interval based on an input voltage less a voltage level representative of an output voltage of the DC to DC converter. The controller may provide the PWM signal in the first state based on the time it takes to charge an energy storage element of the controller to a predetermined level. The controller may also provide an estimator of a zero inductor current level in an associated inductor when the energy storage element is completely discharged. The controller may also be a digital controller that counts time pulses to provide the PWM signal. A DC to DC converter including such a controller and associated methods are also provided.

REFERENCES:
patent: 6137240 (2000-10-01), Bogdan
patent: 6157182 (2000-12-01), Tanaka et al.
patent: 6313616 (2001-11-01), Deller et al.
patent: 6366070 (2002-04-01), Cooke et al.
patent: 6377032 (2002-04-01), Andruzzi et al.
patent: 6396250 (2002-05-01), Bridge

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