MAX753 Maxim, MAX753 Datasheet - Page 5

• Manufacturer Part Number: MAX753
• Description: CCFL Backlight and LCD Contrast Controllers
• Manufacturer: Maxim

Figure 1. CCFL and Positive LCD Power Supply
C1
C4
10
11
1
7
8
CS
V
CDRV
REF
CFB
DD
MAX754CSE
_______________________________________________________________________________________
PGND
LDRV
CADJ
LADJ
BATT
GND
CON
LON
LFB
CC
LX
D1A
15
4
5
3
2
D2A
14
13
12
16
6
9
D1B
D2B
L2
C5
D3
Q3
R2
+5V, ±5%
R1
Q1
+5V CMOS
LOGIC
CONTROL
SIGNALS
R3
R4
R16
CONTRAST
VOLTAGE
POSITIVE
Q2
C6
D6A
UNREGULATED INPUT VOLTAGE
LCD Contrast Controllers
D6B
R17
R5
R6
C2
C7
D4
C8
CCFL Backlight and
Q4
C3
5
R7
1, 15, 16
8
C9
2
7
3
8
3,4
SHDN
SS
V+
REF
CC
MAX758ACWE
R10
T1
2
Q5
GND
LX
6
10, 11
12, 13, 14
L1
R18
12
1
D7B
D5
D7A
C10
R8
5