lc4120nv Sanyo Semiconductor Corporation, lc4120nv Datasheet - Page 3

• Manufacturer Part Number: lc4120nv
• Description: Lcd Power Supply Switching Ic
• Manufacturer: Sanyo Semiconductor Corporation

Pin Assignment
Pin Functions
Truth Table
Input signal
V
V
V
V
V
V
V
V
V
V
V
V
Pin
S1
S2
S3
H
H
H
HA
HB
DD
SS
L
L
L
LA
LB
Sn
1
2
3
1
2
3
H
L
I/O
O
O
O
O
O
O
I
I
I
V
V
V
Hn
HA
HB
Output
Function
High-voltage output 1
High-voltage output 2
High-voltage output 3
Low-voltage output 1
Low-voltage output 2
Low-voltage output 3
Logic input 1
Logic input 2
Logic input 3
High-voltage power supply A
High-voltage power supply B
Low-voltage power supply A
Low-voltage power supply B
Logic system power supply
Logic system ground
(n = 1, 2, 3)
V
V
V
LA
LB
Ln
Signal voltage
V
V
V
V
V
V
V
V
V
HA
HA
HA
DD
DD
DD
LA
LA
LA
/V
/V
/V
/V
/V
/V
/V
/V
/V
HB
HB
HB
LB
LB
LB
SS
SS
SS
LC4120NV
No. 5912-3/4