Switching regulator using dual slope sawtooth generator

Details Switching regulator using dual slope sawtooth generator Switching regulator using dual slope sawtooth generator

1984-09-11

1986-06-10

Beha, Jr., William H.

Electricity: power supply or regulation systems

Output level responsive

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

62 3, H02M 3156

Patent

active

045945411

ABSTRACT:
A switching regulator comprises an electronic switch which can be periodically switched on at prescribed turn-on times with the assistance of a clock generator and can be switched off at a time defined with the assistance of a comparator, whereby the comparator compares an actuating signal to a saw-tooth comparison voltage. Such a switching regulator should operate continuously and accurately given low output powers and at the same time have a stable behavior in the entire control range. To this end, a non-linear chronological progression of the comparison voltage that the chronological change of the comparison voltage decreases in a time segment following the turn-off time. The switching regulator can be employed with particular advantage for the feed of temperature-controlled Peltier elements which serve for cooling laser diodes.

REFERENCES:
patent: 3377546 (1968-04-01), Schott
patent: 4459539 (1984-07-01), Cordy

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