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參數(shù)資料
| 型號： | AT1301 |
| 英文描述： | AT1301 - VFM Step-Up DC/DC Converter |
| 中文描述： | AT1301 -衡工量值式升壓DC / DC轉(zhuǎn)換器 |
| 文件頁數(shù)： | 3/9頁 |
| 文件大?。?/td> | 272K |
| 代理商： | AT1301 |
AT1301
Preliminary Product Information
VFM Step-Up DC/DC Converter
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
3
Absolute Maximum Ratings
(Ta=+250C)
Rated Value
Parameter
Symbol
Condition
Min.
Max.
Unit
Power supply voltage
V
OUT
——
10
V
LX pin voltage
V
LX
——
10
V
LX pin output current
I
LX
——
250
mA
Allowable dissipation
P
D
——
500
mW
Operating temperature
T
OP
—0
+70
0C
Storage temperature
T
stg
—
-55
+125
0C
WARNING: Semiconductor devices can be permanently damaged by application of stress (voltage,
current, temperature, etc.) in excess of absolute maximum ratings. Do not exceed these ratings.
Electrical Characteristics
(Ta=+250C)
Values
Parameter
Part
number
Symbol
Condition
Min.
Typ.
Max.
Unit
AT1301-33
V
OUT
3.218
3.300
3.382
V
Output Voltage
AT1301-50
V
OUT
4.875
5.000
5.125
V
Input Voltage
V
IN
--
8
V
Start-Up Voltage
V
Start
I
OUT=1mA
V
IN =0
2V
-
0.7
0.9
V
Hold-On Voltage
V
Hold
I
OUT=1mA
V
IN =2
0V
0.6
-
V
AT1301-33
No-Load Input
Current
AT1301-50
I
IN1
I
OUT=0mA
-
30
-
μ
A
AT1301-33
Supply Current
AT1301-50
I
IN2
V
IN = VOUT +0.5V
Measurement of the IC
input current in switch off
-0.6
-
μ
A
AT1301-33
LX Switching
Current
AT1301-50
I
LX
V
LX =0.4V
60
-
mA
LX Leakage
Current
I
LXleak
V
LX
=8V
V
IN
= V
OUT
+0.5V
-0.6
0.8
mA
Maximum
Oscillator
Frequency
f
OSC
75
100
130
KHz
Oscillator Duty
Cycle
DUTY V
LX ” L” side
60
70
80
%
AT1301-33
Efficiency
AT1301-50
η
I
OUT=50mA
70
80
-
%
V
LX Voltage
Limit
V
LXlimit
LX Switch On
0.6
0.8
1.0
V
Unless otherwise provided, V
IN =2.0V (when VOUT =3.3V); VIN =3.0V (when VOUT =5.0V) , VSS =0V,
I
OUT=10mA, and use External Circuit of Typical Application (Fig 1).
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