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參數(shù)資料
| 型號： | AT1454AM-GRE |
| 廠商： | Aimtron Technology Corp. |
| 英文描述： | Photoflash Capacitor Charger for DSC |
| 中文描述： | 照相閃光燈電容充電器的數(shù)碼相機 |
| 文件頁數(shù)： | 4/18頁 |
| 文件大?。?/td> | 494K |
| 代理商： | AT1454AM-GRE |
AT1454/AT1454A/AT1454B
Preliminary Product Information
Photoflash Capacitor Charger for DSC
Electrical Characteristics
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
3/24/2006 REV:1.2 Email:
service@aimtron.com.tw
4
(VCC=3.3V, Ta=+25
℃
, unless otherwise noted)
Parameter
Symbol
Test Condition
Min.
Typ. Max. Units
Input operating voltage
VCC
2.5
―
5.5
V
Input under-voltage threshold
V
UVLO
VCC falling
―
2.1
―
V
VCC UVLO hysteresis
―
100
―
mV
Feedback voltage
V
FB
Ta=+25
℃
1.08
1.10
1.12
V
Shutdown current
I
OFF
CHARGE pin=GND
―
0.01
1
μ
A
Quiescent Current
Icc
No Switching , FB=1.2V
―
40
60
μ
A
Primary side current limit
Secondary side transit current
I
LX(MAX)
Isec
―
2.5
―
A
―
5
―
mA
LX Switch On-Resistance
R
LX(ON)
I
LX
=2A
―
0.17
―
LX Leakage Current
I
LC
V
LX
=28V
―
0.01
6
μ
A
VCC=3.3V, C
L
=3900pF
―
55
―
ns
IGBT Driver Rising time
tr
VCC=3.3V, C
L
=8200pF
―
90
―
ns
VCC=3.3V, C
L
=3900pF
―
55
―
ns
IGBT Driver Falling time
tf
VCC=3.3V, C
L
=8200pF
―
90
―
ns
IGBT Trigger signal high
0.45Vc
c
―
―
―
V
IGBT Trigger signal low
―
0.3Vcc
V
Charge input voltage high
V
ON
0.1V hysteresis
0.9
―
―
V
Charge input voltage low
V
OFF
―
―
0.8
V
Charge pin Bias current
V
CHARGE
=3.3V
―
3
―
μ
A
Ready output signal high
100k
from Vcc to Ready
pin
33
μ
A into Ready pin
―
3.27
―
V
Ready output signal low
―
1.0
0
mV
Thermal Shutdown
―
140
―
℃
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相關(guān)代理商/技術(shù)參數(shù) |
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| AT1454M-GRE | 制造商:AIMTRON 制造商全稱:AIMTRON 功能描述:Photoflash Capacitor Charger for DSC |
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