Fast transition power supply

Details Fast transition power supply Fast transition power supply

1999-06-21

2000-09-19

Patel, Rajnikant

Electricity: power supply or regulation systems

Output level responsive

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

323222, 363 16, G05F 140, H02M 3335

Patent

active

061217611

ABSTRACT:
A fast transition power supply comprises three control functions, one to maintain steady state conditions, a voltage transition circuit that rapidly changes the charge on the output capacitor to effect a rapid step change in the output voltage, and a current control circuit that can switch a constant current in a pulse width modulation control from zero (or negative) current to any current less than the maximum rated current with no change of current in the inductors of the circuit. The power supply can thus go from zero volts, no current to full output voltage, full current very quickly, in the order of less than an micro-second. It can also transition from full voltage, full current to zero voltage, zero current just as fast, or transition from one voltage to another.

REFERENCES:
patent: 4665357 (1987-05-01), Herbert
patent: 5132895 (1992-07-01), Kase
patent: 5481238 (1996-01-01), Carsten et al.
patent: 5682303 (1997-10-01), Goad

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