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Digital Voltage Selection Control for L200 Regulator (SN74LS

2015-01-09 06:58  
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This article describes the Digital Voltage Selection Control for L200 Regulator (SN74LS14D). The content is very simple, very helpful. Components in this article can help you understand better understanding of this article. For example, in this article, you can go to find and buy these components:SN74LS14D.

This is digital voltage selection control circuit. This circuit uses L200 Regulator. It can be used to regulated the output voltage digitally. Here is the circuit :
Digital Voltage Selection Control for L200 Regulator1 circuit schematic diagram

A combination of P2, R3, R2, and R1 with R5 form voltage divider that determine the output voltage.? The transistor is used to switched off this circuit. The output voltage does not exceed 0.45 V and pin 2 is brought to ground potential, when the inhibit transistor is saturated.


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