Low-power-consumption stable voltage backlight control circuit and television
A technology of backlight control and low power consumption, which is applied in the direction of TV, color TV, lamp circuit layout, etc., and can solve the problems of not being allowed, not being satisfied, and maintaining the stability of the voltage supplied to the main board of the TV
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[0041] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention.
[0042] The present invention describes the specific implementation mode by taking the LED TV mainboard and LED backlight as examples. It should be noted that the various circuits provided or improved by the present invention can be applied to various mainboards and LEDs to be powered.
[0043] see figure 2 , is a structural schematic diagram of an embodiment of the low power consumption constant current and voltage stabilization control circuit provided by the present invention.
[0044] In this embodiment, the low power consumption constant current and voltage regulation control circuit includes a front-end power supply circuit 101 , a DC-DC voltage regulation circuit 102 and a rear-end linear constant current circuit 103 .
[0045] The front-end power supply circuit 101 in...
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