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參數(shù)資料
| 型號： | KA7543 |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Advanced Feedback Dimming Ballast Control IC |
| 中文描述： | 0.3 A FLUORESCENT LIGHT CONTROLLER, 8 kHz SWITCHING FREQ-MAX, PDIP14 |
| 封裝： | DIP-14 |
| 文件頁數(shù)： | 5/16頁 |
| 文件大?。?/td> | 131K |
| 代理商： | KA7543 |
KA7543
5
Electrical Characteristics
(Continue)
Unless otherwise specified, Vcc=12V, Ta=25
°
C
.
Notes :
1. This parameter should be tested in Vcc = 11V, 14V, 30V.
2. This parameter, although guaranteed, is not tested in production.
Parameter
1 Lamp Feedback Voltage
2 Lamp Feedback Voltage
Output Voltage High
Output Voltage Low
OSCILLATOR SECTION(NOTE1)
Reference Frequency
Reference Dead Time
Soft Start Frequency
Soft Start Time Current
VOLTAGE INPUT DIMMING SECTION(NOTE1)
Dimming Voltage Range
Dimming Start Voltage
Initial Dimming Output Voltage
OUTPUT 1/2 SECTION
Rising Time (Note2)
Falling Time(Note2)
Output Voltage With UVLO Activated
PROTECTION SECTION
Lamp Detection Voltage
Abnormal Detection Voltage
Switch Off Detection Voltage
No Lamp Detect Voltage
PROTECTION RESET SECTION
Protection Reset Voltage
Symbol
Vfb1
Vfb2
Vea(h)
Vea(l)
Conditions
Min.
0.425
0.85
5.5
-
Typ.
0.5
1
5.7
-
Max.
0.575
1.15
5.9
0.4
Unit
V
V
V
V
Vld = 2V
Vld = 4V
Vfb = 0V
Vfb = 2V
fref
td
fss
I
ss
V
C
= 3.0V
V
C
= 3.0V
V
C
= 0V
V
C
= 0V
37
1.2
77
9.2
45
1.4
-
11
53
1.6
-
12.8
kHz
μ
s
kHz
μ
A
Vdm
Vdm
Vdm
-
0
-
4
0
2
V
V
V
Vdm = 0V
Vdm = 0V
3.85
-0.1
4.15
0.1
tr
tf
Vcc =12V,CI =1nF
Vcc =12V,CI =1nF
V
CC
= 5V, I
O
=100
μ
A
-
-
-
200
50
-
280
90
0.9
ns
ns
V
Vomin(o)
Vld
Vab
Vso
Vnd
-
-
-
-
2.5
1.6
4.7
0.85
3
2
5
1
3.5
2.4
5.3
1.15
V
V
V
V
Vpr
-
-
0.7
-
V
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