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參數(shù)資料
| 型號： | KDR730E |
| 廠商： | KEC Holdings |
| 英文描述： | White LED Step-Up Converter |
| 中文描述： | 白光LED升壓轉換器 |
| 文件頁數(shù)： | 3/7頁 |
| 文件大?。?/td> | 421K |
| 代理商： | KDR730E |
2007. 2. 26
3/7
KAB3403T/DN
Revision No : 0
ELECTRICAL CHARACTERISTIC
(Topr=-40~85
, V
CC
=2.7~5.5V, R
SENSE
=16
, unless otherwise noted.)
CHARACTERISTICS
SYMBOL
CONDITION
MIN.
TYP.
MAX.
UNIT
Input Voltage
V
CC
-
2.7
-
5.5
V
Supply Current
I
CC
V
CC
= 3.6V, V
CTL
=3.6V
-
0.9
1.5
V
CTL
= 0V
-
0.5
1
Feedback Voltage
V
FB
V
CC
=V
CTL
=3.0V, T
opr
= 25
, L =4.7 H
304
320
336
CTL Pin Bias Current
I
CTL
V
CC
= 3.0V, V
CTL
= 3.0V
-
5
10
Switching Frequency
f
OSC
V
CTL
= 3.0V
0.77
1.1
1.43
Switching Pin Current
I
O(SW)
-
400
-
Switch Leak Current
I
OZ(SW)
-
-
0.5
1
OVD Pin Voltage
V
OVD
-
19
21
23
V
OVD Pin Leak Current
I
OZ(OVD)
V
OVD
= 18V
-
0.5
1
Switching Pin OVP
V
O(SW)
-
25
-
-
V
CTL pin voltage for Full LED Current
V
CTL H
V
CC
= 3.0V
2.7
-
-
V
CTL pin voltage to shutdown Chip
V
CTL L
-
-
0.5
V
Feedback Bias Current
I
FB
-
-
0.5
1
Maximum Duty Cycle
D
max
-
85
90
-
%
CHARACTERISTICS
SYMBOL
CONDITION
MIN.
TYP.
MAX.
UNIT
Input Voltage
V
CC
-
2.7
-
5.5
V
CTL pin voltage for full LED current
V
CTL
H
V
CC
=3.0V
2.7
-
-
V
CTL pin voltage to shutdown chip
V
CTL
L
-
-
0.5
V
LED Current
IF
V
CC
=3.6V, R
SENSE
=16
Topr =25
,
, Five LED
-
20
-
CTL Response Delay
(When Power ON.)
T
pd
CTL
-
2
-
-
RECOMMENDED OPERATING CONDITIONS (T
opr
=-40~85
)
CHARACTERISTICS
SYMBOL
RATING
UNIT
Input Voltage
V
CC
-0.3 ~ 6.0
V
Switching pin Voltage
V
SW
-0.3 ~ 22
V
OVD pin Voltage
V
OVD
-0.3 ~ 22
V
Operating temperature range
Topr
-40 ~ 85
Storage temperature range
Tstg
-55 ~ 150
Maximum Junction temperature
Tj
150
MAXIMUM RATINGS (Ta=25
)
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