User Manual

MAX17075
Boost Regulator with Integrated Charge Pumps,
Switch Control, and High-Current Op Amp
______________________________________________________________________________________ 11
MAX17075
AGND
VCC
BGND
DRVN
REF
FBN
POS
NEG
OUT
LX
PGND
RSTIN
FB
COMP
DRN
RST
COM
SRC
DRVP
FBP
SUP
CTL DEL
C11
0.1μF
R14
1kΩ
R10
100kΩ
R6
13.7kΩ
R7
100kΩ
R3
100kΩ
R1
10Ω
R12
20kΩ
R15
464kΩ
R11
R13
10kΩ
R8
187kΩ
R9
20kΩ
C12
220pF
C10
1μF
C9
0.22μF
C5
1μF
C13
0.01μF
R16
20kΩ
V
AVDD
TO V
COM
D4
V
IN
2.5V TO 5.5V
(4.5 TO 5.5V FOR FULL LOAD)
V
AVDD
13V/500mA
V
GON
30V/20mA
V
GOFF
-7V/20mA
C15
0.1μF
D2
C17
0.1μF
D3
C1
10μF
6.3V
C2
10μF
6.3V
C14
1μF
C6
1μF
C16
1μF
C3
10μF
25V
C4
10μF
25V
L1
3.0μH
D1
FROM SYSTEM
3.3V
V
IN
V
AVDD
V
AVDD
V
AVDD
FROM TCON
C8
0.033μF
EP
Figure 1. Typical Operating Circuit
Typical Operating Circuit
The typical operating circuit (Figure 1) of the
MAX17075 is a complete power-supply system for TFT
LCD panels in monitors and TVs. The circuit generates
a +13V source driver supply, a +30V positive gate-dri-
ver supply, and a -7V negative gate-driver supply from
a +2.5V to +5.5V input supply. Table 1 lists some
selected components, and Table 2 lists the contact
information for component suppliers.