MAX8798ETX+ Maxim Integrated Products, MAX8798ETX+ Datasheet - Page 16

• 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

Internal-Switch Boost Regulator with
Integrated 3-Channel Scan Driver for TFT LCDs
Figure 3. MAX8798 Functional Diagram
16
I 2 C BUS
VL
PANEL
______________________________________________________________________________________
SYSTEM
1.8V TO 5.5V
V IN
V
IN
VN
DISH
CPV
OE
STV
OECON
CKVCS
CKVB
CKVBCS
CKV
GOFF
STVP
VL
V
GND
SDA
SCL
DD
250kΩ
SCLS
500Ω
INTERFACE
WPP
I
2
C
GATE DRIVERS
SCAN DRIVER
VN
LOGIC
AND
WPN
SHDN
7
DAC
IN
VL
STEP-UP
1.6A
min
SET
BOOST
COMP
VCOM
AGND
BGND
PGND
GON
OUT
NEG
POS
LX
FB
VP
TO VCOM
BACKPLANE
VP
V
MAIN