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PDF FPD93140 Data sheet ( Hoja de datos )
| Número de pieza | FPD93140 | |
| Descripción | 528-Ch Small Format a-Si AMLCD Controller / Column Driver | |
| Fabricantes | National Semiconductor | |
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ADVANCE INFORMATION
May 2003
FPD93140
Small Format a-Si AMLCD Gate Driver with Integrated
Power Supply
General Description
The FPD93140 is a Low Power Gate Driver with Power
Supply for Small Format LCD Displays. The FPD93140 and
the companion FPD94128 (Controller / Column Driver with
Integrated Frame Buffer) form a complete 2-chip solution for
driving TFT LCD panels containing up to 176RGB X 240
pixels with versatile mounting and scan options. Its function
is to drive the gates of the LCD active matrix displays and to
generate all the supply voltages necessary for display op-
eration. A shift register activates rows sequentially in pro-
grammable sequences based on the external clock. On chip
charge pumps require a minimum number of external ca-
pacitores to generate all the necessary voltages to power the
FPD94128 Column Driver and drive the LCD rows.
Under command from the FPD94128 series Column Driver,
the FPD93140 can drive from 2 to 240 rows. This allows the
use of various display sizes and Partial Display modes to
reduce power consumption.
Features
n 241 Outputs Accommodates from 2 to 240 Rows with a
dummy row
n Bumped Flip Chip Packaging (45um Row Centers)
n 4 Flexible mounting/scan options provide for symmetric
display layout
n Wide Supply input range of 2.85V to 5.5V for direct
connection to Li-Ion battery
n Low Power < 100µA IQ
n High Efficiency (80%)
n Onboard Charge Pump Power Supplies:
j+9 to +18V @ 100µA
j-6 to -12V @ 100µA or -9 to -18V @ 100µA
n 3 to 6V @ 1mA Adjustable LCD Volatge
n VCOM driver and adjustable LCD Voltage
n Optional "off-level" modulation in phase with VCOM
Block Diagrams
Typical Application
© 2003 National Semiconductor Corporation DS200730
20073029
www.national.com
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| Número de pieza | Descripción | Fabricantes |
| FPD93140 | 528-Ch Small Format a-Si AMLCD Controller / Column Driver | National Semiconductor |
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