LCD panel supply VGH, VGL...

Dc to Dc: boost,and buck voltage generator.this supply  scan drive,level shifting,clock pulses for panel.
VGH     =20V TO 30V
VGON  =20V TO30V
VON     =20V TO30V
DVD G  =20V TO30V
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VGL= -5V TO -8V
VOFF=-5V TO -8V
VGOFF=-5V TO -8V
VEEG=-5V TO -8V
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DVDD
VDD           ARE,3.3V.
V LOGIC
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AVDD
VDDA        ARE12V TO 20 VOLTS.
VDA
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