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參數(shù)資料
| 型號： | AT1312CX |
| 廠商： | Aimtron Technology Corp. |
| 英文描述： | High Efficiency, Constant Current White-LEDs Driver |
| 中文描述： | 高效率，恒定電流白光LED的驅(qū)動器 |
| 文件頁數(shù)： | 4/16頁 |
| 文件大小： | 413K |
| 代理商： | AT1312CX |
AT1312A/B/C
Preliminary Product Information
High Efficiency, Constant Current
White-LEDs Driver
7F, No.9,PARK AVENUE. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: 886-3-563-0878 Fax: 886-3-563-0879 WWW:
http://www.aimtron.com.tw
2/23/2006 REV:1.1 Email:
service@aimtron.com.tw
4
Electrical Characteristics
(V
IN
=2.5V, Ta=+25
℃
, unless otherwise noted)
Parameter
Symbol
Test Condition
Min.
Typ. Max. Units
Operating V
IN
Range
V
IN
V
IN
input Voltage
2.5
-
6.0
V
Under Voltage Thershold
UVLO
V
IN
falling, 100mV hysteresis
2.1
2.2
2.3
V
Switch- Off Input Current
I
IN1
No Switching
-
100
120
μ
A
Shutdown Current
I
IN3
EN=0V
-
-
1
μ
A
Feedback Reference
V
FB
0.190
0.2
0.210
V
FB Input Bias Current
I
FB
V
FB
=0.2V
V
OUT
Rising (AT1312A)
V
OUT
Rising (AT1312B)
V
OUT
Rising (AT1312C)
-
-
-
-
-
1
-
25
18
μ
A
V
V
V
V
28
23
16
2
Over-voltage Threshold
V
OVP
Over-voltage Hysteresis
OVP Leakage Current
I
OVP
EN=0V
2.5V< V
IN
<6.0V
-
-
1
μ
A
Output Voltage Line Regulation
-
0.1
-
%
Switching Frequency
f
OSC
D
MAX
-
1
-
MHz
Maximum Duty
-
90
-
%
Soft-Start charging time
t
SS
V
IN
=3.0V,duty cycle=80% ,
(AT1312A)
V
IN
=3.0V,duty cycle=80% ,
(AT1312B)
V
IN
=3.0V,duty cycle=80% ,
(AT1312C)
V
IN
=2.5V, ILX =200mA
0.05
0.5
-
ms
-
400
-
mA
-
300
-
mA
Switching Current Limit
ILX
-
200
-
mA
LX ON Resistance
R
LX
-
0.3
-
Ω
LX Leakage Current
I
Leakage
V
LX
=16V/23V/28V, EN=0V
-
-
5
μ
A
EN Input Current
I
EN
EN=5V
0.1V hysteresis
-
-
1
μ
A
V
IH
2.0
-
-
V
EN Input Level
V
IL
-
-
0.8
V
EN low Shutdown Delay
-
4
-
ms
EN Low Cycle Time
t
CYCL
*1
0.05
-
5
ms
EN High Cycle Time
Thermal Shutdown
t
CYCH
*1
0.05
-
5
ms
-
120
-
℃
*1: t
CYCL
and
t
CYCH
are included rising time and falling time of PWM signal.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AT1312CX-GRE | High Efficiency, Constant Current White-LEDs Driver |
| AT1313 | High Efficiency, Constant Current White-LED Driver |
| AT1313X-GRE | High Efficiency, Constant Current White-LED Driver |
| AT1314 | High-Efficiency Step-Down Current Regulator For LEDs |
| AT1314S-GRE | High-Efficiency Step-Down Current Regulator For LEDs |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AT1312CX-GRE | 制造商:AIMTRON 制造商全稱:AIMTRON 功能描述:High Efficiency, Constant Current White-LEDs Driver |
| AT1313 | 制造商:AIMTRON 制造商全稱:AIMTRON 功能描述:High Efficiency, Constant Current White-LED Driver |
| AT1313X-GRE | 制造商:AIMTRON 制造商全稱:AIMTRON 功能描述:High Efficiency, Constant Current White-LED Driver |
| AT1314 | 制造商:AIMTRON 制造商全稱:AIMTRON 功能描述:High-Efficiency Step-Down Current Regulator For LEDs |
| AT1314S-GRE | 制造商:AIMTRON 制造商全稱:AIMTRON 功能描述:High-Efficiency Step-Down Current Regulator For LEDs |
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