AT1731 Datasheet, PDF (5/8 Pages) List of Unclassifed Manufacturers – 2-Channel PWM Controller for LCD Bias

AT1731
Preliminary
2-Channel PWM Controller for LCD Bias
Charge Current of
CS2(Sink)
Max. Duty of CH1
Max. Duty of CH2
Invalid TL threshold
voltage of CS1
Invalid TL threshold
voltage of CS2
Threshold Voltage of
FB1
Timer Latch Section Threshold Voltage of
(TL)
FB2
Start up count
Start up time
Thermal Shuntdown
Section
Threshold Temperature
Output Section
Rise time of OUT1
Rise time of OUT3
Fall time of OUT1
Fall time of OUT2
High Level on
Resistance of OUT1
Low Level on
Resistance of OUT1
High Level on
Resistance of OUT2
Low Level on
Resistance of OUT2
I_CS3
fOSC=500KHz
fOSC=500KHz
1.0
mA
80 87 90 %
80 86 90 %
0.3
V
1.32.
V
V_TLTH1
1.32
V
V_TLTH2
0.3
V
Count
T_TL
216
105 119 137 ms
T_OH
140
0_C
t_r1
C_O =1000pF between
OUT1-GND
20
25
35
ns
T_r2
C_O =1000pF between
VCC-OUT2
20
25
35
ns
t_f1
C_O =1000pF between
OUT1-GND
20
25
35
ns
t_f2
C_O =1000pF between
VCC-OUT2
20
25
35
ns
R_1AH ^IOUT1=-150mA
2.5 4.0 5.5 Ω
R_1AL ^IOUT1=150mA
2.5 4.0 5.5 Ω
R_2AH ^IOUT2=-150mA
2.5 4.0 5.5 Ω
R_2AL ^IOUT2=150mA
2.5 4.0 5.5 Ω
2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: [phone]
WWW: http://www.aimtron.com.tw
Fax: [phone]
Email: [e-mail]
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