參數(shù)資料
型號: KA7541D
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 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
文件頁數(shù): 2/14頁
文件大?。?/td> 95K
代理商: KA7541D
KA7541
2
Internal Block Diagram
Absolute Maximum Ratings
Absolute Maximum Ratings (-25
°
C
Ta
125
°
C)
Parameter
Symbol
V
CC
I
OH
, I
OL
Value
30
±
300
Unit
V
mA
Supply voltage
Peak drive output current
Drive output clamping diodes
V
O
>V
CC
, or V
O
<
0.3
Soft start, and no lamp detection input voltage
Operating temperature range
Storage temperature range
Iclamp
±
10
mA
V
IN
Topr
Tstg
0.3 to 6
-25 to 125
65 to 150
0.8
0.5
100
165
V
°
C
°
C
Power dissipation
8-DIP
8-SOP
8-DIP
8-SOP
Pd
W
Thermal resistance (Junction-to-air)
θ
ja
°
C/W
Parameter
Symbol
Vref(Typ)
fos(Typ)
Value
15
5
Unit
mV
kHz
Temperature stability for reference voltage (Vref)
Temperature stability for operating frequency (fos)
C
S
0.22
μ
F
1
2
3
4
5
6
7
8
Ct
R
S
Ldet
180pF
+
Vref
I
H
Ict
2V Ref
Internal
bias
+
+
+
I
C
1.8V
9.5V
F.D
UVLO
UVLO
Frequency
divider
+
Shut down signal
40k
5pF
2V
+
8Ict
latch
Q
I
H
= Ik
×
(Vref
V
SS
) / Vref
I
S
= Vref / R
S
V
CC
OUT 1
OUT 2
GND
3pF
Current
mirror
V
Z
Ik = I
S
/ 6
V
CC
V
CC
Vref
Oscilator
I
S
22k
2.5
μ
A
30k
2k
+
-
-
+
3V
1V
Oscilator
S
R
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