Use an LM317 as 0 to 3V adjustable regulator
Most engineers know that they can use an inexpensive, three-terminal adjustable regulator, such as Fairchild Semiconductorβs LM317, as an adjustable regulator to only some necessary value of voltage, such as 36 or 3V. This value cannot be less than 1.25V without employing other approaches, however. The devicesβ inner reference voltage is 1.25V, and their output […]
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