Lm317 Schaltung. The next series of circuits will use the lm317. While designed as a variable voltage regulator it will double as a stable constant current source.
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The next series of circuits will use the lm317. Unless otherwise specified vin b vout e 5v and iout e 10 ma. Texas instruments lm317 device is an adjustable three terminal positive voltage regulator capable of supplying more than 1 5 a over an output voltage range of 1 25 v to 37 v.
The circuit consists of a low side resistor and high side resistor connected in series forming a resistive voltage divider which is a passive linear circuit used to produce an output voltage which is a fraction of its input voltage.
They are designed to supply more than 1 5 a of load current with an output voltage adjustable over a 1 2 to 37 v range. While designed as a variable voltage regulator it will double as a stable constant current source. With only three pins as shown above one can produce a current of about 1 amp max. Texas instruments lm317 device is an adjustable three terminal positive voltage regulator capable of supplying more than 1 5 a over an output voltage range of 1 25 v to 37 v.
