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| BUF08832_14 Datasheet, PDF (8/31 Pages) Texas Instruments – Programmable Gamma-Voltage Generator and High Slew Rate VCOM with Integrated Two-Bank Memory | |||
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BUF08832
SBOS476C â AUGUST 2009 â REVISED JULY 2011
150W(1)
1.2kW(1)
www.ti.com
Panel
34W(2)
1 VCOM
BUF08832
VCOM-FB 20
Source
Driver
2 GNDA(3)
(5)
3 OUT1
(5)
4 OUT2
(5)
5 OUT3
(5)
6 OUT4
VS(4) 19
OUT8 18
OUT7 17
OUT6 16
OUT5 15
VS
3.3V
1mF
100nF
Timing
Controller
7 VS(4)
8 VSD
9 SCL
10 SDA
GNDA(3) 14
GNDD(3) 13
BKSEL 12
A0 11
100nF
(5)
VS
10mF
(5)
Source
Driver
(5)
(5)
(1) Values must be selected for the panel used.
(2) Values must be selected for good phase margin when driving large capacitive loads.
(3) GNDA and GNDD must be connected together.
(4) Pins 7 and 19 are VS. The one set of capacitors shown on pin 19 are common to both pins.
(5) RC combination for the OUT pins is not recommended; see the Output Protection section.
Figure 13. Typical Application Configuration (VCOM with Feedback)
8
Copyright © 2009â2011, Texas Instruments Incorporated
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