DC to DC converter for ethernet transceiver

Details DC to DC converter for ethernet transceiver DC to DC converter for ethernet transceiver

1987-03-26

1988-07-05

Salce, Patrick R.

Electric power conversion systems

Current conversion

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

363 97, H02M 3335

Patent

active

047559225

ABSTRACT:
This invention relates to a direct current to direct current power converter for use within a transceiver module which connects a user host station, i.e., terminal, printer, workstation, etc., to an Ethernet coaxial cable. The converter provides a adequately regulated DC output voltage, provides high voltage isolation between the Ethernet cable and the operating workstation, and which utilizes fewer parts than known similar power supplies, soft start threshold provisions, overload protection, an LED (light emitting diode) performance indicator, and a trimmer for precise output voltage adjustment.

REFERENCES:
patent: 4318168 (1982-03-01), Faxon
patent: 4410936 (1983-10-01), Suzuki
patent: 4504898 (1985-03-01), Pilakaitis et al.
patent: 4593346 (1986-06-01), Nooijen et al.
patent: 4692852 (1987-09-01), Hoover
patent: 4692853 (1987-09-01), de Sartre et al.
Reilly, David, "25W Switching Regulator Costs <$10", EDN, Aug. 23, 1984, pp. 235-236.
Reilly, David, "A 25 Watt Off-Line Flyback Switching Regulator", UNITRODE Application Note U-96.
Motorola Semiconductors, "DC to DC Converter Control Circuits", Mar. 1983, ADI-727.

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