add8754dacpz-reel7 Analog Devices, Inc., add8754dacpz-reel7 Datasheet - Page 23

• Manufacturer Part Number: add8754dacpz-reel7
• Description: Lcd Panel Power, Vcom, And Gate Modulation
• Manufacturer: Analog Devices, Inc.

+14V FROM
V
OUT
250kΩ
R7
100kΩ
R8
TO GATE
DRIVER
VFLK
VCOM
+4.0V
C8
0.1μF
VGL
–5V
+14V FROM
V
OUT
BZX84C5V1
BZX84C28
Figure 26. 1.2 MHz Application Circuit for TFT LCD Display with LDO_ALWAYS_ ON
1
2
3
4
5
6
VZ2
VZ1
VGH_M
VDD_1
VDD_2
VDPM
VFLK
GND
+28V
VGH
1μF
C9
24
7
23
C10
0.47μF
8
C7
1μF
250kΩ
RE
33kΩ
300Ω
1kΩ
+14V FROM
R5
R6
R4
22
V
9
0.1μF
ADD8754
OUT
Rev. 0 | Page 23 of 28
C6
100kΩ
CE
390pF
R3
C3
1μF
21
10
9.5kΩ
D5
R2
BAV99
D6
20
11
C2
0.01μF
BAV99
D4
D7
19
12
100kΩ
CLDO
4.7μF
R1
C4
0.47μF
COMP
VIN_2
FREQ
VIN_1
SS
LX
0.01μF
C5
18
17
16
15
14
13
BAV99
D3
R9
10Ω
C1
0.01μF
CIN
10μF
D2
D1
1N5818
C
10nF
10μH
SS
L
COUT
R
180kΩ
C
470pF
V
+3.3V
20μF
C
LOGIC
C
Q1
2N7000
R10
10kΩ
ADD8754
BOOST AND
CHARGE PUMP
ENABLE
V
+14V
VIN
+5V
OUT