AT1730 Datasheet, PDF (5/7 Pages) List of Unclassifed Manufacturers – 2-Channel PWM Controller for LCD Bias

AT1730
Preliminary Product Information
2-Channel PWM Controller for LCD Bias
Variation with
Temperature
Ta =-10℃ to +85℃
Threshold
Soft-Start and Duty CS1/2
voltage
of
V_{CS1/2 0}
Duty Cycle=0%
Section
Threshold
CS1/2
voltage
of _{VCS1/2 100} Duty Cycle=100%
Threshold Voltage of
CP
V_CPTH
Timer Latch Section Threshold Voltage of
(TL)
FB1/2
V_FBTL
Charge Current of CP
I_CP
V_CP =V_REG -0.5V
- - 1.5 %
0.38 0.39 0.40 V
0.96 1.01 1.06 V
- 1.00 - V
- 1.22 - V
0.75 1.25 1.75 μA
Output Section
On/OFF Section
Rise time of OUT1,2
Fall time of OUT1,2
High Level on
Resistance of OUT1,2
Low Level on
Resistance of OUT1,2
t_{r1_2}
C_O =1000pF between
OUT1,2-GND
20
25
35
ns
t_{f1_2}
C_O =1000pF between
OUT1,2-GND
20
25
35
ns
R_{1_2AH} ^{IOUT1_2=-50mA}
11.5 14 17 Ω
R_{1_2AL} ^IOUT1_2=50mA
8.5 11 17 Ω
Active mode Threshold V_ONH
2.0 - - V
Disable mode Threshold V_ONL
- - 0.8 V
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]
5