參數(shù)資料
型號: KA7543D
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, PDSO14
封裝: SOP-14
文件頁數(shù): 4/16頁
文件大?。?/td> 131K
代理商: KA7543D
KA7543
4
Absolute Maximum Ratings
Absolute Maximum Ratings (
25
°
C
Ta
125
°
C)
Electrical Characteristics
Unless otherwise specified, Vcc=12V, Ta=25
°
C
.
Parameter
Supply Voltage
Peak Drive Output Current
Drive Output Clamping Diodes
V
O
> V
CC
, or V
O
< -0.3
Operating Temperature Range
Storage Temperature Range
Power Dissipation
Thermal Resistance (Junction-to-Air)
Symbol
V
CC
I
OH
, I
OL
Value
30
±
300
Unit
V
mA
Iclamp
±
10
mA
Topr
Tstg
Pd
θ
ja
-25 to 125
-65 to 150
1
123
°
C
°
C
W
°
C/W
Parameter
Temperature Stability For Reference Voltage (Vref)
Temperature Stability For Operating Frequency (fs)
Symbol
Vref(Typ)
fs(Typ)
Value
20
8
Unit
mV
kHz
Parameter
UNDER VOLTAGE LOCK OUT SECTION
Start Threshold Voltage
UVLO Hysteresis
5V Reference Voltage(Note1)
SUPPLY CURRENT SECTION
Start Up Supply Current
Operating Supply Current
Dynamic Operating Supply Current (Note1)
CURRENT AMPLIFIER SECTION (NOTE1)
Output Sink Current
Output Source Current
Symbol
Conditions
Min.
Typ.
Max.
Unit
V
TH
(st)
HY(st)
V5
V
CC
increasing
8.7
1.5
4.9
9.5
1.8
5
10.3
2.1
5.1
V
V
V
-
I5 = 0mA
I
ST
I
CC
I
DCC
Vcc=8.5V
Output not switching
fo = 50kHz, CI=1nF
-
-
-
0.2
7
8
0.27
9
12
mA
mA
mA
Iea(i)
Iea(o)
Vfb = 2V
Vfb = 0V
12
12
15
15
18
18
μ
A
μ
A
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