Datasheet

MAX17113
Low-Cost, Multiple-Output
Power Supply for LCD TVs
______________________________________________________________________________________ 15
LX2
REF
FB1
LX1
LX1
AGND
COMP
VIN
12V
OUT
3.3V
2A
AVDD
16V
1.5A
FSEL
FB2
OUT
STEP-DOWN, NEGATIVE
ON/OFF
VL
VIN
VIN
GON
35V
100mA
AGND
VL
REF
BST
GON
DRN
CTL
FROM GON
CONTROL
DRVN
FBN
REF
DRVP
FBP
CPGND
SRC
PGND
PGND
L1
4.7μH
10μF
L2
2.4μH
D2
D1
1μF
0.1μF
0.1μF
DEL2
DEL1
EN1
EN2
SWI
SWO
THR
DLP
MODE
C2
10μF
C3
10μF
30
31
32
33
34
35
36
37
40
1
11
1kΩ
6
5
PGOOD PGOOD
38
CRST
39
4
SRC
2
0.22μF
0.22μF
0.22μF
AVDD
9
10
14
12
IN2
IN2
23
22
0.1μF
LX2
GND2
18
19
20
3
21
17
24
28
25
7
15
13
27
16
26
29
8
STEP-UP, POSITIVE
CHARGE PUMP ON/OFF
GOFF
-6V
100mA
MAX17113
1μF
0.22μF
0.1μF
0.15μF
0.15μF
D3
D5
D4
C5
22μF
1μF
330pF
100kΩ
33.3kΩ
2.2kΩ
3.3V
367kΩ
13.3kΩ
158kΩ
13.3kΩ
150kΩ
23kΩ
EP
C24
10μF
C15, C16
2x
10μF
Figure 1. Typical Operating Circuit