| 摘要 |
Disclosed herein is a high-power constant current Darlington circuit, including an input terminal in which the base terminal (B) (a first terminal) of the constant current Darlington circuit is connected to the base of a transistor (Q 1 ), the emitter of the transistor (Q 1 ) being connected to one end of a resistor (R 1 ) and the base of a transistor (Q 2 ), the other end of the resistor (R 1 ) being connected to an emitter of the transistor (Q 3 ), the collector terminal (C) (a second terminal) of the constant current Darlington circuit connected to the collector of the transistor (Q 1 ) and the collector of the transistor (Q 2 ), the emitter of the transistor (Q 2 ) being connected to one end of a constant voltage source (CV 1 ), the emitter terminal (E) (a third terminal) of the constant current Darlington circuit directly connected to a load (LD 1 ), the other end of the constant voltage source (CV 1 ) being connected to one end of a resistor (R 2 ) and the base of the transistor (Q 3 ), and the terminal (E 1 ) (a fourth terminal) of the constant current Darlington circuit connected to the other end of the resistor (R 2 ) and the collector of the transistor (Q 3 ), thereby minimizing the loss of power of an output terminal, and a semiconductor device into which the construction is integrated.
|
