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MAX8712ETC+

Description
Low-Cost, Linear-Regulator LCD Panel Power Supplies
CategoryPower/power management    The power supply circuit   
File Size616KB,25 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Environmental Compliance
Download Datasheet Parametric Compare View All

MAX8712ETC+ Overview

Low-Cost, Linear-Regulator LCD Panel Power Supplies

MAX8712ETC+ Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerMaxim
Parts packaging codeQFN
package instructionHVQCCN,
Contacts12
Reach Compliance Codecompli
ECCN codeEAR99
Is SamacsysN
Maximum input voltage28 V
Minimum input voltage8 V
JESD-30 codeS-XQCC-N12
JESD-609 codee3
length4 mm
Humidity sensitivity level1
Number of functions1
Number of terminals12
Working temperatureTJ-Max150 °C
Maximum output current 10.3 A
Maximum output voltage 15.1 V
Minimum output voltage 14.9 V
Nominal output voltage 15 V
Package body materialUNSPECIFIED
encapsulated codeHVQCCN
Package shapeSQUARE
Package formCHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)260
Certification statusNot Qualified
Regulator typeFIXED POSITIVE SINGLE OUTPUT STANDARD REGULATOR
Maximum seat height0.8 mm
surface mountYES
technologyBICMOS
Terminal surfaceMatte Tin (Sn)
Terminal formNO LEAD
Terminal pitch0.8 mm
Terminal locationQUAD
Maximum time at peak reflow temperatureNOT SPECIFIED
width4 mm
Base Number Matches1
19-3174; Rev 1; 10/05
KIT
ATION
EVALU
BLE
AVAILA
Low-Cost, Linear-Regulator
LCD Panel Power Supplies
General Description
Features
High-Performance Linear Regulator
1.6% Output Accuracy
Works with Small Ceramic Output Capacitors
Fast Transient Response
Foldback Current Limit
50mA Negative Regulated Charge Pump
20mA Positive Regulated Charge Pump with
Adjustable Delay
Built-In Power-Up Sequence
High-Current Operational Amplifier
(MAX8710/MAX8711/MAX8761)
±150mA Output Short-Circuit Current
12V/µs Slew Rate
12MHz, -3dB Bandwidth
Rail-to-Rail Inputs/Output
Dual-Mode™ High-Voltage Switches
(MAX8710/MAX8761)
Thermal Protection
Latched Fault Protection with Timer
MAX8710/MAX8711/MAX8712/MAX8761
The MAX8710/MAX8711/MAX8712/MAX8761 offer com-
plete linear-regulator power-supply solutions for thin-film
transistor (TFT) liquid-crystal-display (LCD) panels used
in LCD monitors and LCD TVs. All four devices include a
high-performance AV
DD
linear regulator, a positive
charge-pump regulator, a negative charge-pump regula-
tor, and built-in power-up sequence control. The
MAX8710/MAX8711/MAX8761 also include a high-cur-
rent operational amplifier. Additionally, the MAX8710/
MAX8761 provide logic-controlled high-voltage switches
to control the positive charge-pump output.
The linear regulator directly steps down the input voltage
to generate the supply voltage for the source-driver ICs
(AV
DD
). The two built-in charge-pump regulators
are used to generate the TFT gate-on and gate-off sup-
plies. The high-current operational amplifier is typically
used to drive the LCD backplane (VCOM) and features
high output current (150mA), fast slew rate (12V/µs), and
wide bandwidth (12MHz). Its rail-to-rail inputs and output
maximize flexibility.
The MAX8710/MAX8761 are available in a 24-pin thin
QFN package, the MAX8711 is available in a 16-pin thin
QFN package, and the MAX8712 is available in a 12-pin
thin QFN package. All three packages are 4mm x 4mm
with a maximum thickness of 0.8mm for ultra-thin LCD
panel design. The MAX8710/MAX8711/MAX8712 oper-
ate over the -40°C to +100°C temperature range and the
MAX8761 operates over the -40°C to +85°C range.
Ordering Information
PART
TEMP RANGE
PIN-PACKAGE
24 Thin QFN
4mm x 4mm
16 Thin QFN
4mm x 4mm
12 Thin QFN
4mm x 4mm
24 Thin QFN
4mm x 4mm
PKG
CODE
T2444-4
T2444-4
T2444-4
T2444-4
MAX8710E
TG+ -40°C to +100°C
MAX8711E
TE+
-40°C to +100°C
MAX8712E
TC+ -40°C to +100°C
MAX8761E
TG+ -40°C to +85°C
Applications
LCD Monitor Panel Modules
LCD TV Panel Modules
+Denotes
lead-free package.
Pin Configurations
SHDN
SUPB
OUTB
Minimum Operating Circuit
IN
IN
GND
INL
TOP VIEW
18
CTL
17
16
15
14
13
REF
GND
THR
FBP
REF
OUTL
FBL
AV
DD
19
20
21
22
23
24
12
11
10
N.C.
FBN
MAX8710
FBL
MODE
DLP
FBN
SRC
DRVP
DRVN
SUPCP
OUTL
AV
DD
V
GOFF
MAX8761
VIN
SUPCP
SHDN
MAX8710
MAX8761
DRVN
DLP
POSB
AV
DD
SUPB
DRVP
9
8
7
VP
IN
VCOM
FBP
+
1
GON
2
DRN
3
REF
4
POSB
5
INL
6
NEGB
OUTB
NEGB
MODE
GON
V
GON
REF
SRC
THIN QFN 4mm x 4mm
CTL
CTL
DRN
THR
Pin Configurations continued at end of data sheet.
Dual Mode is a trademark of Maxim Integrated Products, Inc.
________________________________________________________________
Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

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