Datasheet
MAX17103/AUO-P1721.14
DC-DC Converter with Integrated Scan Driver,
VGL Controller, Op Amp, and LDO for TFT LCD
14 ______________________________________________________________________________________
V
MAIN
8.5V, 250mA
TO VCOM
BACKPLANE
V
VGL
-6.0V, 10mA
V
IN
V
LOGIC
(2.5V, 350mA)
V
GHON
COMP
LX
PGND
FB
IN
LDOO
LDOADJ
ENA
OPAS
POS
OUT
VDET
CD
AGND
GHON
CS
QS
VGL
VGLC
FBN
REF
DRVN
ST
CK
XCK
STH
CKH
XCKH
SS
SYSTEM
GD
RST
PANEL
V
VGL
0.1μF
0.1μF
1μF
C
CD
0.1μF
R
CS
1.2kΩ
R4
56.2kΩ
C
COMP
1000pF
C6
10μF
C5
10μF
C4
10μF
D1
Q1
D2
D3
D4
L1
10μH
C
SS
330nF
0.1μF
R3
56.2kΩ
R1
102kΩ
R
COMP
56.2kΩ
R2
17.4kΩ
R
ENA
62kΩ
C1
1μF
0.22μF
1μF
0.22μF
0.22μF
0.1μF
0.1μF
0.1μF
0.1μF
0.1μF
R6
110kΩ
R8
49.9kΩ
R10
49.9kΩ
R9
243kΩ
C3
10μF
C2
1μF
6.81kΩ
2.2kΩ
R5
82.5kΩ
R7
51.1kΩ
V
GHON
V
GHON
23V, 10mA
MAX17103
AUO-P1721.14
Figure 1. MAX17103 Typical Operating Circuit