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參數(shù)資料
| 型號(hào)： | KIA494AP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 0.25 A SWITCHING CONTROLLER, 300 kHz SWITCHING FREQ-MAX, DIP16 |
| 封裝： | DIP-16 |
| 文件頁(yè)數(shù)： | 2/6頁(yè) |
| 文件大?。?/td> | 110K |
| 代理商： | KIA494AP |
1999. 2. 20
2/6
KIA494AP/AF
Revision No : 0
ELECTRICAL CHARACTERISTICS
REFERENCE VOLTAGE UNIT
ITEM
SYMBOL
MIN.
TYP.
MAX.
UNIT
Supply Voltage
V
CC
7
-
40
V
Ampified Input Voltage
V
IN
-0.3
-
V
CC
-2.0
V
Collector Output Voltage
V
O
-
-
40
V
Output Current (per one stage of output unit)
I
O
-
-
200
mA
Current Into Feedback Terminal
I
fb
-
-
0.3
mA
Timing Capacitor
C
T
0.47
-
10,000
nF
Timing Resister
R
T
1.8
-
500
k
Oscillation Frequency
f
osc
1
-
300
kHz
Operating Temperature
T
opr
-40
-
85
OSCILLATION UNIT
RECOMMENDED OPREATING CONDITIONS
PAUSE PERIOD ADJUSTING UNIT
CHARACTERISTIC
SYMBOL
TEST CONDITION
MIN.
TYP.
MAX.
UNIT
Input Bias Current
I
IND
0
V
IN
5.25V PIN 4
-
-2
-10
A
Max. Duty (Each Output Stage)
Dy MAX.
V
IN
=0, C
T
=0.1 F, R
T
=12k
45
-
-
%
Input Threshold Voltage 1
V
TH-1
Output pulse 0% duty
-
2.8
3.3
V
Input Threshold Voltage 2
V
TH-2
Output pulse max. duty
0
-
-
CHARACTERISTIC
SYMBOL
TEST CONDITION
MIN.
TYP.
MAX.
UNIT
Output Voltage
V
ref
I
ref
=1mA, Ta=25
4.75
5.00
5.25
V
Input Stability
R
eg
IN
7V
V
CC
40V, I
ref
=1mA, Ta=25
-
2
25
mV
Load Stability
R
eg
L
1mA
I
ref
10mA, Ta=25
-
1
15
Output Voltage Temp. Change
T
C
V
ref
-40
Ta
85
, I
ref
=1mA
-
0.01
0.03
%/
Output Short-Circuit Current
I
S
V
ref
=0
-
35
-
mA
CHARACTERISTIC
SYMBOL
TEST CONDITION
MIN.
TYP.
MAX.
UNIT
Oscillation Frequency Set Value
f
OSC
C
T
=0.001 F, R
T
=30k
-
40
-
kHz
Oscillation Frequency Setting Accuracy
f
DIV
C
T
=0.001 F, R
T
=30k
-
3.0
-
%
Frequency Input Stability
f
VIN
7V
V
CC
40V, Ta=25
-
0.1
-
Frequency Temp. Change
f
Ta
-45
Ta
85
-
1
2
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