PWM variable voltage load driver

Details PWM variable voltage load driver PWM variable voltage load driver

1996-07-01

1998-02-24

Tran, Toan

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With specific source of supply or bias voltage

327110, 327172, 318599, H03K 300, G05F 110

Patent

active

057215111

ABSTRACT:
A pulse width modulation driver is capable of regulating the average voltage applied to a load that is powered from a source having a wide range, e.g. 20 to 80 volts DC, of possible voltages. The driver cyclically interrupts the load current at a frequency which is substantially constant. This is particularly advantageous for driving frequency-sensitive loads such as motors.

REFERENCES:
patent: 3446992 (1969-05-01), Webb
patent: 4820940 (1989-04-01), Wachi et al.
patent: 5406071 (1995-04-01), Elms
patent: 5406150 (1995-04-01), Austin
patent: 5430405 (1995-07-01), Cohen
patent: 5541543 (1996-07-01), Arnaud

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