| 摘要 |
PROBLEM TO BE SOLVED: To effectively reduce temperature dependency of output currents in a constant current generating circuit. SOLUTION: The bases of an output transistor Tr1 and a voltage reference transistor Tr2 are connected to each other, and the mutual emitters are connected to GND, and a resistor Rs is connected between the bases and emitters of the output transistor Tr1 and the voltage reference transistor Tr2. Also, a temperature compensating resistor R1 is connected between the emitter of the output transistor Tr1 and the GND as a first temperature compensating element.
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