beautypg.com

Rainbow Electronics MAX5128 User Manual

Page 11

background image

MAX5128

128-Tap, Nonvolatile, Linear-Taper Digital

Potentiometer in 2mm x 2mm µDFN Package

______________________________________________________________________________________

11

+3.3V

51k

0.1

µF

+5V

V

COM

0.1

µF

+3.3V

27k

36k

10k

15k

22k

120k

W

H

L

TIMING-CONTROL-IC

OUTPUT SIGNAL

MAX4238

MAX5128

Figure 6. VCOM Generator Circuit for LCD Panels

BATT

OUT

FB

GND

W

LX

H

L

V

IN

= 0.8V

TO V

OUT

V

OUT

= 2V

TO 5.25V

MAX1722

MAX5128

Figure 7. DC-DC Converter Using a Grounded Potentiometer