Foldback current limiting driver

Details Foldback current limiting driver Foldback current limiting driver

1983-04-01

1985-04-23

Wong, Peter S.

Electricity: power supply or regulation systems

Output level responsive

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

323908, 307270, G05F 146

Patent

active

045132410

ABSTRACT:
A voltage driving circuit for a load requiring foldback current limiting characteristics, current limiting means and current latching means. The current latching means monitors the load current until a predetermined limit is reached, then latches the load current at a predetermined level lower than the predetermined limit until a logic signal is applied to the voltage driving circuit to turn off the load current. Such reduction in the current magnitude of the output current provides lower power dissipation in the load, a faster load turnoff time as a result of less energy stored in the load, and a more precise control of a variable duty cycle output.

REFERENCES:
patent: 3328673 (1967-06-01), Nuckolls
patent: 3470457 (1969-09-01), Howlett
patent: 3753079 (1973-08-01), Trilling
patent: 3801894 (1974-04-01), Spiegel
patent: 3959713 (1976-05-01), Davis et al.
patent: 4051392 (1977-09-01), Rosenthal et al.
patent: 4180768 (1979-12-01), Ferraro
patent: 4280091 (1981-07-01), Hilter
patent: 4392103 (1983-07-01), O'Sullivan et al.

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