Switching regulator

Details Switching regulator Switching regulator

1986-10-28

1988-01-26

Salce, Patrick R.

Electric power conversion systems

Current conversion

Including d.c.-a.c.-d.c. converter

363 56, 323289, H02M 3338

Patent

active

047220414

ABSTRACT:
An on-on type switching regulator comprises a blocking oscillator, rectifying-smoothing circuit, and a voltage drop circuit. The blocking oscillator includes a transformer having a collector winding, base winding and secondary winding, and a transistor. The rectifying-smoothing circuit comprises a rectifier diode, flywheel diode, choke coil, and smoothing capacitor, and is connected to the secondary winding. The voltage drop circuit is connected in a closed circuit which is formed between the base winding and the base-emitter of said transistor, said voltage drop circuit being arranged to block any forward or backward current when the voltage thereacross is in a micro-voltage range which may occur before excitation energy in the choke coil is discharged.

REFERENCES:
patent: 153463 (1884-09-01), Sakuma
patent: 4207478 (1980-06-01), Marumoto et al.

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