lm2940 voltage regulator pin lm311 pin diagram and function relay, lamp or solenoid. lm311 pin diagram: 1 pin = ground; 4 pin = Power V-
LM2940-5, 0 low voltage difference three-terminal voltage regulator chip (domestic)
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Model: LM2940-5, 0P+? Package :TO-220?
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The output voltage is fixed with a low voltage differential three-terminal regulator; Output voltage 5V; Output current 1A; When the output current is 1A, the minimum input and output voltage difference is less than 0, 8V; Maximum input voltage 26V; Operating temperature -40 ~ 125℃; It includes static current reduction circuit, current limit, overheat protection, battery reverse connection and reverse insertion protection circuit.
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When a higher voltage is connected to the chip, it is connected from input and from gnd. The Output can output 5V voltage