Owner manual

MAX1530/MAX1531
Multiple-Output Power-Supply Controllers for
LCD Monitors
______________________________________________________________________________________ 15
MAX1530
N1-A
N1-B
V
IN
= 12V
VL
ONL2
ONL3
N.C.
N.C.
N.C.
N.C.
FREQ
SEQ
RESET
EN IN
BST
DH
LX
DL
PGND
DRV1
FBL1
FB
COMP
DRV3
FBL3
ILIM
FBL2
DRV2
RSTIN
30
28
26
25
12
16
17
5
6
7
8
N.C.
N.C.
N.C.
N.C.
9
10
19
18
1
2
15
4
3
13
14
11
31
32
20
21
22
23
27
24
29
AGND
C3
4.7µF
25V
R4
20.0kΩ
1%
D1
C1
1µF
C5
0.1µF
C4
1µF
C10
470pF
C9
10µF
6.3V
C7
22µF
6.3V
C22
2.2µF
R11
100kΩ
R9
10kΩ
1%
R8
6.8kΩ
R10
10kΩ
1%
R14
121kΩ
1%
R17
6.8kΩ
R18
68.1kΩ
1%
R19
10kΩ
1%
C11
0.1µF
C20
0.1µF
C12
0.47µF
R22
75kΩ
1%
R23
10.7kΩ
1%
C13
4.7µF
C21
2.2µF
Q4
R24
6.8kΩ
R13
150kΩ
R12
300kΩ
R2
10.7kΩ
1%
R1
17.8kΩ
1%
L1
10µH
R7
100kΩ
R3
124kΩ
1%
R12
1Ω
C2, OPEN
Q2
Q1
VL
V
IN
V
OUT
3.3V/1.5A
V
L
5V/30mA
V
LOGIC
2.5V/500mA
V
SOURCE
10V/500mA
V
GAMMA
9.7V/50mA
IN
V
IN
*OPTIONAL
R5*
10Ω
R6*
10Ω
D2*
C23
150pF
Figure 2. MAX1530 Standard Application Circuit