Switching regulator with asymmetrical feedback amplifier and met

Details Switching regulator with asymmetrical feedback amplifier and met Switching regulator with asymmetrical feedback amplifier and met

1990-09-10

1993-06-15

Stephan, Steven L.

Electricity: power supply or regulation systems

Output level responsive

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

323288, 323351, 330252, G05F 156

Patent

active

052202720

ABSTRACT:
A switching regulator network is disclosed which receives an input voltage and provides a regulated constant output supply voltage. The regulator includes a pulse width modulated switching circuit which regulates the output voltage responsive to a feedback error signal. A transconductance error amplifier produces an error feedback signal which is proportional to the difference between the reference input voltage and the output voltage. The overshoot of the output supply voltage is minimized by including a means in the transconductance error amplifier to provide a higher negative slew rate current than the positive slew rate current. This is done without employing extra pins or parts in the integrated circuit.

REFERENCES:
patent: 4218647 (1980-08-01), Haas
patent: 4583156 (1986-04-01), Forge
patent: 4713740 (1987-12-01), Drabing

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