MAX17075ETG+ Maxim Integrated Products, MAX17075ETG+ Datasheet - Page 11

• Manufacturer Part Number: MAX17075ETG+
• Description: IC DC-DC CONV W/CHRG PUMP 24TQFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX17075ETG+

• Applications: LCD TV/Monitor
• Current - Supply: 4mA
• Voltage - Supply: 2.3 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 24-TQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 1. 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
Boost Regulator with Integrated Charge Pumps,
(4.5 TO 5.5V FOR FULL LOAD)
-7V/20mA
V
TO V
2.5V TO 5.5V
GOFF
Typical Operating Circuit
COM
Switch Control, and High-Current Op Amp
______________________________________________________________________________________
C10
1μF
V
IN
13.7kΩ
100kΩ
100kΩ
1μF
10Ω
C5
R1
R3
R6
R7
V
AVDD
D4
0.22μF
C9
0.1μF
C11
VCC
OUT
NEG
POS
REF
AGND
FBN
DRVN
BGND
V
SUP
AVDD
C1
10μF
6.3V
MAX17075
C6
1μF
EP
FROM TCON
C2
10μF
6.3V
CTL DEL
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.
3.0μH
L1
COMP
RSTIN
PGND
DRVP
COM
DRN
SRC
RST
FBP
LX
FB
C8
0.033μF
100kΩ
1kΩ
R10
220pF
R14
C12
C14
1μF
D1
0.1μF
0.1μF
V
C15
C17
AVDD
V
30V/20mA
R8
187kΩ
R9
20kΩ
GON
FROM SYSTEM
D2
D3
3.3V
R13
10kΩ
C3
10μF
25V
V
IN
V
R15
464kΩ
R16
20kΩ
AVDD
C16
1μF
R11
R12
20kΩ
C4
10μF
25V
V
13V/500mA
AVDD
C13
0.01μF
11