MAX8798ETX+ Maxim Integrated Products, MAX8798ETX+ Datasheet - Page 15

• Manufacturer Part Number: MAX8798ETX+
• Description: IC INTERNAL-SW BOOST REG 36-TQFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX8798ETX+

• Applications: LCD Monitor, Notebook Display
• Current - Supply: 400µA
• Voltage - Supply: 1.8 V ~ 6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 36-TQFN Exposed Pad
• Operating Supply Voltage: 1.8 V to 5.5 V
• Maximum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Maximum Power Dissipation: 2179.8 mW
• Minimum Operating Temperature: + 85 C
• Supply Current: 4 uA
• Input Voltage: 4V
• Output Current: 400mA
• Output Voltage: 18V
• No. Of Outputs: 2
• Power Dissipation Pd: 2.18W
• Supply Voltage Range: 1.8V To 5.5V
• No. Of Pins: 36
• Operating Temperature Range: -40°C To +85°C
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 2. MAX8798 Typical Operating Circuit
Integrated 3-Channel Scan Driver for TFT LCDs
0.22μF
I
VL
2
C BUS
PANEL
2.2V TO 3.6V
SYSTEM
V
______________________________________________________________________________________
IN
V
IN
20kΩ
10μF
VN
VP
Internal-Switch Boost Regulator with
20kΩ
0.1μF
0.1μF
20kΩ
3nF
200Ω
200Ω
-12V, 20mA
VN
DISH
GON
CPV
OE
STV
OECON
CKVCS
CKVB
CKVBCS
CKV
GOFF
STVP
VL
V
GND
SDA
SCL
DD
10Ω
0.1μF
SCLS
1μF
SHDN
WPP
MAX8798
0.1μF
IN
WPN
2.6μH
0.1μF
SET
BOOST
COMP
VCOM
BGND
PGND
AGND
R
25kΩ
OUT
0.1μF
NEG
POS
SET
LX
FB
100kΩ
R
C
220pF
0.1μF
COMP
COMP
D1
0.1μF
10μF
200kΩ
34kΩ
R1
R2
0.1μF
R3
200kΩ
R4
200kΩ
TO VCOM
BACKPLANE
0.1μF
V
8V, 300mA
VP
20V, 20mA
MAIN
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