Ripple current stabilized control loop for switching regulator

Details Ripple current stabilized control loop for switching regulator Ripple current stabilized control loop for switching regulator

1980-09-11

1982-03-23

Shoop, William M.

Electricity: power supply or regulation systems

Output level responsive

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

323284, G05F 146

Patent

active

043215262

ABSTRACT:
A free-running switching regulator of the type including a transistor switch serially-connected between a voltage source and a load is disclosed. The duty cycle of the switch is varied in response to changes in the load voltage to maintain it at a predetermined regulated magnitude. Feedback means is provided for controlling the switching frequency and the duty cycle of the switch substantially independently of the load impedance such that feedback loop stability is maintained irrespective of the load reactance and an essentially constant switching period of duration T is maintained despite changes in the load resistance.

REFERENCES:
patent: 3226630 (1965-12-01), Lampke
patent: 3350628 (1967-10-01), Gallaher et al.
patent: 3772588 (1973-11-01), Kelly et al.
patent: 3978393 (1976-08-01), Wisner et al.
patent: 4048665 (1977-09-01), Lia et al.

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