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參數(shù)資料
| 型號(hào)： | AT1309X-GRE |
| 廠商： | Aimtron Technology Corp. |
| 元件分類： | DC/DC變換器 |
| 英文描述： | Micro-Power Step up DC-DC Converter |
| 中文描述： | 微功耗升壓DC - DC轉(zhuǎn)換器 |
| 文件頁數(shù)： | 4/14頁 |
| 文件大小： | 295K |
| 代理商： | AT1309X-GRE |
AT1309
Preliminary Product Information
Micro-Power Step up DC-DC Converter
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
1.212 1.230 1.248
V
FB Input Bias Current
I
FB
V
FB
=0.2V
2.5V< V
IN
<6.0V
-
-
1
μ
A
Output Voltage Line Regulation
-
0.1
-
%
Switching Frequency
f
OSC
D
MAX
-
1.4
-
MHz
Maximum Duty
-
90
-
%
Soft-Start charging time
t
SS
-
0.5
-
ms
Switching Current Limit
ILX
V
IN
=3.0V,duty cycle=80%
-
1.0
-
A
LX ON Resistance
R
LX
ILX =350mA
-
0.3
-
LX Leakage Current
I
Leakage
V
LX
=28V, EN=0V
-
-
1
μ
A
EN Input Current
I
EN
EN=5V
0.1V hysteresis
-
-
8
μ
A
V
IH
2.0
-
-
V
EN Input Level
V
IL
-
-
0.8
V
EN low Shutdown Delay
Thermal Shutdown
-
4
-
ms
-
120
-
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
3/2/2006 REV:1.1 Email:
service@aimtron.com.tw
4
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