參數(shù)資料
型號(hào): KA7541D
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類(lèi): 穩(wěn)壓器
英文描述: Simple Ballast Controller
中文描述: 0.3 A FLUORESCENT LIGHT CONTROLLER, 56 kHz SWITCHING FREQ-MAX, PDSO8
封裝: SOP-8
文件頁(yè)數(shù): 4/14頁(yè)
文件大小: 95K
代理商: KA7541D
KA7541
4
Electrical Characteristics
Unless otherwise specified, for typical values Vcc=14V, Ta=25
o
C, For Min/Max values Ta is the operating ambient
temperature range with
-25
o
C
Ta
125
o
C
and 11V
V
CC
30V
Parameter
Symbol
UNDER VOLTAGE LOCK OUT SECTION
Start threshold voltage
V
TH(st)
UVLO hysteresis
HY
(st)
SUPPLY CURRENT SECTION
Start up supply current
I
ST
Operating supply current
I
CC
Dynamic operating supply current
I
DCC
REFERENCE SECTION
Reference voltage
V
ref
Line regulation
V
ref 1
Temperature stability of Vref
V
ref 2
OSCILLATOR SECTION
Operating frequency
fos
Operating dead time
tod
Soft start frequency
fss
Soft start dead time
tsd
OUTPUT SECTION
Rising time
(note1)
tr
Falling time
(note1)
tf
Maximum output voltage
V
omax(o)
Output voltage with UVLO activated
V
omin(o)
NO LAMP PROTECTION SECTION
No lamp detect voltage
Vnd
Note:
1. These parameters, although guaranteed, are not 100% tested in production.
Conditions
Min.
Typ.
Max.
Unit
V
CC
increasing
8.5
1.3
9.5
1.8
10.5
2.3
V
V
-
V
CC
<V
TH
(st)
Output not switching
50kHz, CI=1nF
-
-
-
0.15
6
7
0.25
10
14
mA
mA
mA
Iref=0mA, Vcc
=
14V
14V
V
CC
25V
-25
Ta
125
°
C, Vcc
=
14V
1.95
-
-
2
2.05
10
-
V
0.1
15
mV
mV
V
SS
=3V, C
T
=470pF
V
SS
=3V, Vcc
=
14V
V
SS
=0V, C
T
=470pF
V
SS
=0V, Vcc
=
14V
44
2.4
56
1.8
50
2.9
65
2.3
56
3.4
74
2.8
KHz
μ
s
KHz
μ
s
CI=1nF, Vcc
=
12V
CI=1nF, Vcc
=
12V
V
CC
=20V
V
CC
=5V, I
O
=100
μ
A
-
-
120
50
15
-
200
100
18
1
ns
ns
V
V
12
-
-
1.9
2
2.1
V
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