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參數資料
| 型號： | AT1730 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 2-Channel PWM Controller for LCD Bias |
| 中文描述： | 2通道PWM控制器，用于LCD偏置 |
| 文件頁數： | 4/7頁 |
| 文件大小： | 272K |
| 代理商： | AT1730 |
AT1730
Preliminary Product Information
2-Channel PWM Controller for LCD Bias
Electrical Characteristics
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
4
(VCC = 3V,Ta =+25
℃
, unless otherwise noted.)
Values
Parameter
Symbol
Condition
Min. Typ. Max.
Unit
Input Supply Range
V
CC
2.4
-
5.5
V
VCC
Lockout
Undervoltage
UVLO
2.00
2.20
2.35
V
EA Reference Voltage
V
TH1/2
0.98
1.00
1.02
V
EA Reference Voltage
line-regulation
EA Rference Variation
with Temperature
V
TH-Line
VCC=2.5V to 5.5
-
-
10
mV
Ta =-10
℃
to +85
℃
-
0.5
5
%
Standby current
I
CCS
ON/OFF=GND
-
-
15
μ
A
Entire device
Operating Current
I
CC
V
CS2
= V
CS2
=0V
IN=FB
-
1.0
2.0
mA
Input Offset Voltage
V
IO
-
3
10
mV
Source Current
I
FBH
V
FB
= V
REG
-0.5V
-160 -120
-70
μ
A
Sink Current
I
FBL
V
FB
= 0.5V
2.0
2.5
3.0
mA
Source current Variation
with temperature
Sink current Variation
with temperature
Ta =-10
℃
to +85
℃
-
-
20
%
Ta =-10
℃
to +85
℃
-
-
20
%
Unity Gain Bandwidth
f
T
-
1.6
-
MHz
Common Mode Input
Voltage Range
V
COM
0
-
Vcc-
0.4
V
Error amplifier
DC Open Loop Gain
A
V
-
100
-
dB
Frequency
fosc
C
T
=100pF
430
490
580
kHz
High Level Voltage
C
T
=100pF
-
1.016
-
V
Low Level Voltage
C
T
=100pF
-
0.396
-
V
Variation with Power
Supply
Variation with
temperature
Vcc=2.5V to 5.5V
-
-
5
%
Sawtooth wave
Oscillator (OSC)
Ta =-10
℃
to +85
℃
-
5
7
%
Regulated Voltage
V
REF
I
REG
=no load
2.16
2.20
2.24
V
Line Regulator
V
REF-line
Vcc=2.5V to 5.5V
-
-
20
mV
Regulated
for internal Control
Block
Voltage
Load Regulator
V
REF-load
REG
=0~1mA
-20
-
20
mV
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相關代理商/技術參數 |
參數描述 |
|---|---|
| AT1730P | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:2-Channel PWM Controller for LCD Bias |
| AT1730P-GRE | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:2-Channel PWM Controller for LCD Bias |
| AT1731 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:2-Channel PWM Controller for LCD Bias |
| AT1731A | 制造商:AIMTRON 制造商全稱:AIMTRON 功能描述:DC-DC Power IC for TFT Panel |
| AT1731AP | 制造商:AIMTRON 制造商全稱:AIMTRON 功能描述:DC-DC Power IC for TFT Panel |
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