ISL97642 Intersil Corporation, ISL97642 Datasheet - Page 18

• Manufacturer Part Number: ISL97642
• Description: TFT-LCD DC/DC
• Manufacturer: Intersil Corporation

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Typical Application Circuit
V
CN
V
(-8V)
NEG
470nF
0.1µF
R22
R21
Q21
(2.6V TO 5.5V)
82kΩ
10kΩ
0.1µF
700Ω
V
V
V
CONTROL
V
V
IN
COM SET3
COM SET2
COM FB3
COM FB2
10µF
18
V
V
INPUT
V
C1
COM3
COM2
100nF
MAIN
2.2nF
470nF
180Ω
10Ω
COMP
DRVN
NEG3
NEG2
OUT3
POS3
OUT2
POS2
A
FBN
REF
CTL
DEL
VDD
IN
OP3
OP2
V
NEG
REG
REF
+
+
CN
-
-
AGND
ISL97642
L1
BOOST
D21
REG
6.8µH
POS
CTL
SW
0.1µF
+
-
OP1
LX
0.1µF
0.1µF
FB
PGND
GND
DRVP
FBP
SRC
COM
DRN
NEG1
OUT1
POS1
D1
D11
D12
10.2kΩ
DRIVER IC
TO GATE
R2
R1
V
V
V
COM FB1
COM1
COM SET1
64.9kΩ
700Ω
0.1µF
R12
R11
V
CP
C2
R
C
Q11
7
7
182kΩ
9.76kΩ
R
68kΩ
OPEN
C
0.1µF
OPEN
8
8
10µFx2
A
1kΩ
(9V)
R
VDD
9
0.1µF
470nF
V
CP
(24.5V)
V
A
ON
VDD
June 18, 2007
FN6436.0