MAX17119ETI+T ,10-Channel Scan Driver for TFT LCD with GPM FunctionApplicationsLCD MonitorsLCD TVs ___ Maxim Integrated Products 1For pricing, delivery, and ordering ..
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MAX17119ETI+-MAX17119ETI+T
10-Channel Scan Driver for TFT LCD with GPM Function
10-Channel Scan Driver
for TFT LCD with GPM Function
MAX17119
19-4952; Rev 0; 12/09
General Description
The MAX17119 includes a 10-channel, high-voltage,
level-shifting scan driver with a gate-pulse modulation
(GPM) feature to shape the corner of the scan-driver out-
put to reduce flicker. The device is optimized for thin-film
transistor (TFT) liquid-crystal display (LCD) applications.
The high-voltage level-shifting scan driver is designed to
drive the TFT panel gate logic. Its 10 outputs swing from
+38V (maximum) to -12V (minimum) and can swiftly drive
capacitive loads. There are two positive supply inputs
that provide flexibility for system design.
The GPM feature is employed to shape the corner of the
falling edge of the clock channels. This reduces flicker,
and therefore improves the display quality.
The MAX17119 also features a dedicated discharge
channel and an integrated voltage detector. When the
system shuts down, the voltage detector commands the
discharge channel to swing its output to positive sup-
ply voltage so as to remove any residual image on the
display quickly.
The MAX17119 is available in a 28-pin, 5mm x 5mm, thin
QFN package with a maximum thickness of 0.8mm for
thin LCD panels.
Applications
LCD Monitors
LCD TVs
FeaturesHigh-Voltage Level-Shifting Scan Drivers
Logic-Level Inputs
+38V to -12V Outputs
GPM Feature
Discharge ChannelThermal-Overload Protection28-Pin, 5mm x 5mm Thin QFN Package
Ordering Information
+Denotes lead(Pb)-free/RoHS-compliant package.
EVALUATION KITAVAILABLE
PARTTEMP RANGEPIN-PACKAGE
MAX17119ETI+-40NC to +85NC28 TQFN
10-Channel Scan Driver
for TFT LCD with GPM Function
MAX17119
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect device reliability.
A1–A9, VSENSE, FLK1, FLK2, FLK3 to GND ..........-0.3V to +6V
GON1, GON2 to GND ...........................................-0.3V to +40V
GOFF to GND ........................................................-14V to +0.3V
Y1–Y7, YDCHG to GND ........(VGOFF - 0.3V) to (VGON1 + 0.3V)
Y8, Y9 to GND .......................(VGOFF - 0.3V) to (VGON2 + 0.3V)
RE to GND ............................................-0.3V to (VGON1 + 0.3V)
Y1–Y6 to RE ...........................(VGOFF - 0.3V) to (VGON1 + 0.3V)
Y1–Y6, YDCHG Load RMS Current .................................350mA
GON1 RMS Current ........................................................600mA
GON2 RMS Current ..........................................................380mA
GOFF RMS Current ..........................................................600mA
Continuous Power Dissipation (TA = +70NC)
28-Pin, 5mm x 5mm TQFN
(derate 34.5mW/NC above +70NC)..........................2758.6mW
Operating Temperature Range ..........................-40NC to +85NC
Junction Temperature .....................................................+150NC
Storage Temperature Range ............................-65NC to +150NC
Lead Temperature (soldering, 10s) ................................+300NC
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1, VGON_ = 30V, VGOFF = -6.2V, TA = 0°C to +85°C. Typical values are at TA = +25°C, unless otherwise noted.)
ABSOLUTE MAXIMUM RATINGS
PARAMETERCONDITIONSMINTYPMAXUNITS
HIGH-VOLTAGE DRIVER BLOCK
GON_ Input-Voltage Range1238V
GOFF Input-Voltage Range-12-2V
GOFF Supply CurrentA1–A9 = 3.3V, VSENSE = GND, no load100200FA
GON_ Total Supply CurrentA1–A9 = 3.3V, VSENSE = GND, no load450750FA
Output Voltage Low
(Y1–Y9, YDCHG)IOUT = 10mA GOFF +
GOFF +
0.16V
Output Voltage High
(Y1–Y7, YDCHG)IOUT = 10mA GON1 -
GON1 -
0.08V
Output Voltage High (Y8, Y9)IOUT = 10mA GON2 -
GON2 -
0.08V
Rise Time (Y1–Y7, YDCHG)TA = +25NC , VGON1 = 30V and VGOFF = -6.2V
(Note 1)50200ns
Fall Time (Y1–Y7, YDCHG)TA = +25NC , VGON1 = 30 V and VGOFF = -6.2V
(Note 1)40120ns
Rise Time (Y8, Y9)TA = +25NC , VGON2 = 30V and VGOFF = -6.2V
(Note 1)50200ns
Fall Time (Y8, Y9)TA = +25NC , VGON2 = 30V and VGOFF = -6.2V
(Note 1)40120ns
Propagation Delay A_ Rising to
Y_ Rising, VSENSE Falling to
YDCHG Rising
With VGON_= 30V and VGOFF = -6.2V (Note 1)50ns
Propagation Delay A_ Falling
to Y_ Falling, VSENSE Rising to
YDCHG Falling
With VGON_= 30V and VGOFF = -6.2V (Note 1)50ns
10-Channel Scan Driver
for TFT LCD with GPM Function
MAX17119
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1, VGON_ = 30V, VGOFF = -6.2V, TA = -40°C to +85°C.) (Note 2)
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, VGON_ = 30V, VGOFF = -6.2V, TA = 0°C to +85°C. Typical values are at TA = +25°C, unless otherwise noted.)
PARAMETERCONDITIONSMINTYPMAXUNITS
Propagation Delay FLK_ Falling
to Y_ Discharge50ns
Y_ to RE Switch On-Resistance50100I
CONTROL INPUTS
Logic Input-Voltage Range
(A1–A9)5.5V
Logic Input Voltage Low
(A1–A9)0.8V
Logic Input Voltage High
(A1–A9, VSENSE)2V
Logic Input-Leakage Current
(A1–A9)0V < A_, VSENSE < 5.5V, TA= +25°C-1+1FA
VOLTAGE DETECTOR
VSENSE Voltage Range5.5V
VSENSE Bias CurrentVSENSE = 1.5V2.34.68FA
VSENSE Threshold VoltageFalling edge 1.1581.2181.278V
THERMAL PROTECTION
Thermal ShutdownRising edge, hysteresis = 15NC+160NC
PARAMETERCONDITIONSMINTYPMAXUNITS
HIGH-VOLTAGE DRIVER BLOCK
GON_ Input-Voltage Range1238V
GOFF Input-Voltage Range-12-2V
GOFF Supply CurrentA1–A9 = 3.3V, VSENSE = GND, no load200FA
GON_ Total Supply CurrentA1–A9 = 3.3V, VSENSE = GND, no load750FA
Output Voltage Low
(Y1–Y9, YDCHG)IOUT = 10mA GOFF +
0.16V
10-Channel Scan Driver
for TFT LCD with GPM Function
MAX17119
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, VGON_ = 30V, VGOFF = -6.2V, TA = -40°C to +85°C.) (Note 2)
Note 1: The panel models for different channels are illustrated in Figure 4.
Note 2: -40°C specs are guaranteed by design, not production tested.
PARAMETERCONDITIONSMINTYPMAXUNITS
Output Voltage High
(Y1–Y7, YDCHG)IOUT = 10mA GON1 -
0.16V
Output Voltage High (Y8, Y9)IOUT = 10mA GON2 -
0.16V
Rise Time (Y1–Y7, YDCHG)TA = +25NC, VGON1 = 30V and VGOFF = -6.2V
(Note 1)200ns
Fall Time (Y1–Y7, YDCHG)TA = +25NC, VGON1 = 30V and VGOFF = -6.2V
(Note 1)120ns
Rise Time (Y8, Y9)TA = +25oC, VGON2 = 30V and VGOFF = -6.2V
(Note 1)200ns
Fall Time (Y8, Y9)TA = +25NC , VGON2 = 30V and VGOFF = -6.2V
(Note 1)120ns
Y_ to RE Switch On-Resistance100I
CONTROL INPUTS
Logic Input-Voltage Range
(A1–A9)5.5V
Logic Input Voltage Low
(A1–A9)0.8V
Logic Input Voltage High
(A1–A9)2V
VOLTAGE DETECTOR
VSENSE Voltage Range5.5V
VSENSE Threshold VoltageFalling edge 1.1581.278V
VSENSE Pullup CurrentVSENSE = 1.5V2.38FA
10-Channel Scan Driver
for TFT LCD with GPM Function
MAX17119
Typical Operating Characteristics
(TA = +25°C, unless otherwise noted.)
SCAN-DRIVER OUTPUT FALLING EDGE (Y8 AND Y9)
PROPAGATION DELAY AND FALL TIME
MAX17119 toc06
VY8
10V/div
VA8
2V/div
100ns/div
SCAN-DRIVER OUTPUT RISING EDGE (Y8 AND Y9)
PROPAGATION DELAY AND RISE TIME
MAX17119 toc05
VY8
10V/div
VA8
2V/div
100ns/div
SCAN-DRIVER OUTPUT FALLING EDGE (Y7)
PROPAGATION DELAY AND FALL TIME
MAX17119 toc04
VY7
10V/div
VA7
2V/div
20ns/div
SCAN-DRIVER OUTPUT RISING EDGE (Y7)
PROPAGATION DELAY AND RISE TIME
MAX17119 toc03
VY7
10V/div
VA7
2V/div
20ns/div
SCAN-DRIVER OUTPUT FALLING EDGE (Y1–Y6)
PROPAGATION DELAY AND FALL TIME
MAX17119 toc02
10V/div
2V/div
100ns/div
SCAN-DRIVER OUTPUT RISING EDGE (Y1–Y6)
PROPAGATION DELAY AND RISE TIME
MAX17119 toc01
10V/div
2V/div
100ns/div
10-Channel Scan Driver
for TFT LCD with GPM Function
MAX17119
Typical Operating Characteristics (continued)
(TA = +25°C, unless otherwise noted.)
GPM PROPAGATION DELAY-FLK_
FALLING TO Y_ FALLING
(3 FLK-INPUT MODE)
MAX17119 toc12
30V
VY4
1V/div
VFLK2
5V/div
SCAN-DRIVER OUTPUT WITH GPM
(3 FLK-INPUT MODE)
MAX17119 toc11
VY4
10V/div
VA5
10V/divVA6
10V/div
VA4
10V/div
VFLK2
10V/divVFLK3
10V/div
VFLK1
10V/div
GPM PROPAGATION DELAY-FLK_
FALLING TO Y_ FALLING
(FLK3 = GND, 2 FLK-INPUT MODE)
MAX17119 toc10
30V
VY1
2V/div
VFLK2
5V/div
100ns/div
SCAN-DRIVER OUTPUT WITH GPM
(FLK3 = GND, 2 FLK-INPUT MODE)
MAX17119 toc09
VY1
10V/div
VA2
10V/divVA3
10V/div
VA1
10V/div
VFLK2
10V/div
VFLK1
10V/div
2Fs/div
GPM PROPAGATION DELAY-FLK_
FALLING TO Y_ FALLING
(FLK2 = FLK3 = GND, 1FLK-INPUT MODE)
MAX17119 toc08
30V
VY1
1V/div
VFLK1
5V/div
100ns/div
SCAN-DRIVER OUTPUT WITH GPM
(FLK2 = FLK3 = GND, 1FLK-INPUT MODE)
MAX17119 toc07
VY1
20V/div
VA3
5V/div
VA2
5V/div
VA1
5V/div
VFLK1
5V/div
4Fs/div
