at1729 Aimtron Technology, at1729 Datasheet - Page 5

• Manufacturer Part Number: at1729
• Description: 3-channel Pwm Controller For Lcd Bias
• Manufacturer: Aimtron Technology

Timer Latch Section
(TL)
Output Section
2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: [phone]
Fax: [phone]
Max. Duty of CH1,2
Max. Duty of CH3
Invalid TL threshold
voltage of CS1_2
Invalid TL threshold
voltage of CS3
Threshold Voltage of
FB1,2
Threshold Voltage of
FB3
Start up count
Start up time
Rise time of OUT1,2
Rise time of OUT3
Fall time of OUT1,2
Fall time of OUT3
High Level on
Resistance of OUT1,2
Low Level on
Resistance of OUT1,2
High Level on
Resistance of OUT3
Low Level on
Resistance of OUT3
V
3-Channel PWM Controller for LCD Bias
WWW:
V
Count
R
R
R3
R
TLTH1 2
T
t
t
TLTH3
1_2AH
1_2AL
r1_2
t
f1_2
t
Email:
3AH
r3
f3
TL
AL
5
http://www.aimtron.com.tw
f OSC =500KHz
f OSC =500KHz
C
OUT1,2-GND
C
VCC-OUT3
C
OUT1,2-GND
C
VCC-OUT3
I
I
I
I
[e-mail]
OUT1_2
OUT1_2
OUT3
OUT1_2
Preliminary Product Information
O
O
O
O
= -50mA
=1000pF between
=1000pF between
=1000pF between
=1000pF between
= -50mA
=50mA
=50mA
105
80
77
20
20
20
20
3
3
3
3
-
-
-
-
-
1.32.
1.32
2 16
119
0.3
0.3
87
86
25
25
25
25
AT1729
7
7
7
7
137
91
91
35
35
35
35
10
11
10
11
-
-
-
-
-
ms
ns
ns
ns
ns
%
%
Ω
Ω
Ω
Ω
V
V
V
V