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IC Block Diagrams
●
FA7701V <Switching Power Supply Controller,
IC7801, IC7821, IC7841>
+
–
+
P W M
–
+
E R . A M P
ON/OFF
V R E F
O S C
BIAS
U V L O
5.5V
–
+
–
+
ON/OFF
S.C.DET
0.3V
1.5V
1.5V
–
+
S.C.P
2.2V
OFF
RT
REF
4
FB
IN–
1
2
3
8
7
6
5
CS
VCC
OUT
GND
0.88V
Power Good Signal
VREF
2.2V
●
L3E06110 <LCD Driver,
IC501, IC1501, IC2501
>
V1
V2
DAC
DAC
DAC
DAC
DAC
DAC
DAC
DAC
DAC
DAC
DAC
DAC
Shutdown SW
Shutdown SW
Shutdown SW
Shutdown SW
Shutdown SW
Shutdown SW
Shutdown SW
Shutdown SW
Shutdown SW
Shutdown SW
Shutdown SW
Shutdown SW
Shutdown SW
DAC
DAC
Bias
Serial
I/F
Scale
Control
Scale
Control
Invert level Shifter
Invert level Shifter
Non-Invert Level Shifter
R
S
Buffer
AMP
MON IN
CLX IN, CLY IN
DX,DY
ENBX1-ENBX4
NRG,DIRX,DIRY
SVREFL
SVREFH
SDATA
SCLK
SCS
BYP
STBY
VREFL
VREFH
R/L
E/O
INV
XFR
STS0
CLK
DB[0:9]
VID1
VID2
VID3
VID4
VID5
VID6
VID7
VID8
VID9
VID10
VID11
VID12
LCCOM
DCOUT
DX,DY
ENBX1-ENBX4
NRG,DIRX,DIRY
CLX,CLY
CLXN,CLYN
MON OUT
CONTROL LOGIC
and
DAC LATCHES
DB[0:9]
CLK
STS0
XFR
INV
O
VREFH
R
ST
VRE
SDATA
SCLK
SCS
XD
Y
VREFL
REFH
C
LY I
N
ENBX4
X,DIRY
●
FA
F
FA770
A
V <Switching
IC7
Pow
01
er S
IC7
up
2
ply C
IC
Cont
7841