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Controllable Electronic Load Circuit for DC Power Supply

Controllable Electronic Load Circuit for DC Power Supply

ADJ

IC1

LM317

3

2

VOUT

1

VIN

INPUT

15V DC

TO

POWER

SUPPLY

UNDER

TEST

T3, T4 = 2N3773

T3

T4

R6

0.1Ω

5W

R5

0.1Ω

5W

R3

30Ω

20W

T2

SL100

T1

SL100

R2

2.2K

R1

180Ω

VR1

5K

POT.

VOLT

METER

+15V

R4

15Ω

10W

R7

0.2Ω

10W

Controllable Electronic Load Circuit for DC Power Supply

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publish time: 2020-09-22
Kiraaaa

If you are interested in testing a regulated power supply under load conditions, here is a simple electronic load circuit regulator LM317 that can be controlled by a single 2-12V, 200mA power supply to generate a variable power supply.

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