The voltage adjuster and contrast control circuit

Published:2011/5/25 22:19:00 Author:Christina | Keyword: voltage adjuster, contrast control | From:SeekIC

The voltage regulator circuit can be used to get a proper LCD display driver voltage. This voltage is decided by the R1 and R2. The voltage regulator circuit is as shown in the following figure. The voltage adjustment has 32 contrast ratio stages. When you are using the contrast ratio to control the functions, the voltage regulator needs to open by the power control instruction. The contrast ratio control circuit is as shown.



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