High-speed, fully-isolated current source/sink

Details High-speed, fully-isolated current source/sink High-speed, fully-isolated current source/sink

1992-12-30

1995-01-10

Stephan, Steven L.

Electricity: power supply or regulation systems

Output level responsive

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

323281, 323312, 363 73, G05F 144

Patent

active

053810821

ABSTRACT:
A high-speed, fully-floating, current source/sink utilized a current mode operational amplifier to drive a power MOSFET without ringing or instability. The output of the current mode op amp is directly connected to the MOSFET gate. The current source relies on an optical link to enable an analog switch to generate carefully controlled pulse width characteristics at the positive input of the op amp.

REFERENCES:
patent: 4441068 (1984-04-01), Smith
patent: 4618814 (1986-10-01), Kato et al.
patent: 5179355 (1993-01-01), Harvey
patent: 5180932 (1993-01-01), Bengel
patent: 5191297 (1993-03-01), Penman et al.

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