isl97652 Intersil Corporation, isl97652 Datasheet - Page 10

• Manufacturer Part Number: isl97652
• Description: 4-channel Integrated Lcd Supply With Dual Vcom Amplifiers
• Manufacturer: Intersil Corporation

Block Diagram
CBOOT
PGND1
SWB2
OGND
PVIN1
SWB1
PVIN2
VDPM
POS1
NEG1
OUT1
DLY1
DLY2
AVIN
VDC
REF
RE
CE
PVIN2
REGULATOR
SEQUENCE
CONTROL
BIAS AND
VGH
5V
+
-
BUCK CONVERTER
SLICE CIRCUIT
10
VGHM
SSB
Q
F/F
V
R
S
ON
VGHL
OSC
VFLK
+
-
VCB
∑
+
-
UVLO AND THERMAL
COMPENSATION
FBB
ISL97652
PROTECTION
SLOPE
AGND
REF
FB
FOSC
+
-
∑
BOOST CONVERTER
F
F
OSC
OSC
VC
FREQ
OSC
+
-
CONTROL
CHARGE
CONTROL
CHARGE
PUMP
PUMP
S
V
R
V
SS
F/F
OFF
ON
Q
CONTROL
AVIN
GATE
+
-
+
-
+
+
-
-
0.5V
1.265V
SUP
November 2, 2007
EN1
SW1
SW2
PGND2
PGND3
SUI
SWI
SWO
POS2
NEG2
OUT2
EN2
SUP
DRVN
GND
FBN
DRVP
FBP
FN9287.1