AAT1168 Datasheet, PDF (20/22 Pages) Advanced Analog Technology, Inc. – TRIPLE-CHANNEL TFT LCD POWER SOLUTION WITH OPERATIONAL AMPLIFIERS

Advanced Analog Technology, Inc.
May 2008
AAT1168/1168A/1168B
Operational Amplifier
The AAT1168 have five amplifiers independent. The
operational amplifiers are usually used to drive V_COM
and the gamma correction divider string for TFT-LCD.
The output resistors and capacitors of amplifiers are as
low pass filter and compensator for unity GAIN stable.
Table 5. Recommended Components
DESIGNATION
DESCRIPTION
L
6.8 µH, 1.8A,
MITSUMI C6-K1.8L 6R8
200mA 30V Schottky barrier
U1, U2, U3 diode (SOT-23),
DIODES BAT54S
D
2A 20V rectifier diode
DIODES DFLS220L
C3
10 µF, 25V X5R ceramic
capacitor
C5, C6, C7 1 µF, 25V X5R ceramic capacitor
C2, C4, C9,
C10, C12
0.1 µF, 50V X5R ceramic
capacitor
Soft Start Waveform
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