Radiation hardened power supplies for integrated circuits

Details Radiation hardened power supplies for integrated circuits Radiation hardened power supplies for integrated circuits

1991-03-05

1991-12-10

Wong, Peter S.

Electricity: power supply or regulation systems

In shunt with source or load

323221, 307308, G05F 156, G05F 1613

Patent

active

050721690

ABSTRACT:
A power supply for an integrated circuit chip, including supply regulation circuitry coupled between on-chip circuitry and a power supply connection, the supply regulation circuitry including a transistor having a diode coupled to the control electrode of the transistor, the diode having a relatively large diode junction area, and a resistor coupled in series with the main current path of the transistor having a relatively small or no diode junction area, whereby when the chip is subject to irradiation the diode means increases the conductivity of the main current path so that an increased voltage appears across the resistor thereby to reduce the supply voltage to the on-chip circuitry.

REFERENCES:
patent: 3679963 (1972-07-01), Free et al.
patent: 4011471 (1977-03-01), Rockett, Jr.
patent: 4323846 (1982-04-01), Haraszti
patent: 4581673 (1986-04-01), Pang
patent: 4948989 (1990-08-01), Spratt
patent: 4952522 (1990-08-01), Yamada et al.

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