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AT1741 Datasheet, PDF (3/10 Pages) List of Unclassifed Manufacturers – 2-CHANNEL PWM CONTROLLER FOR CCFL BACKLIGHT | |||
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AT1741
Preliminary Product Information
2-Channel PWM Controller for CCFL Backlight
Absolute Maximum Ratings
(Ta=+250C)
Parameter
Symbol
Limits
Unit
Power supply voltage
Power dissipation
Operating temperture
Vcc
28
V
Pd
500*1
mW
Topr
-30~+85
â
Storage temperture
Tstg
-55~+125
â
Output current
Io
120*2
mA
Output voltage
Vo
30
V
ï¼1 When mounted on 70mmÃ70mmÃ1.6mm glass epoxy board. Reduced by 6.5mw for each increase in Ta of 1â over 25â.
ï¼2 Should not exceed Pd and values.
Recommended Operating Conditions
Parameter
Symbol
Power supply voltage
VCC
Output current
Io
Output voltage
Vo
Error amplifier input voltage
VOM
Timing capacitor
CCT
Timing resistor
RRT
Oscillator frequency
FOSC
Timing chart
Min.
3.6
--
--
0.3
100
5.1
10
(Ta=+250C)
Values
Unit
Typ.
Max.
6.0
25
V
--
100
mA
--
25
V
--
1.6
V
--
15000 pF
--
50
kâ¦
--
800
kHz
2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: 886-3-563-0878
WWW: http://www.aimtron.com.tw
Fax: 886-3-563-0879
Email: service@aimtron.com.tw
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