參數(shù)資料
型號: KA7818E
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 基準電壓源/電流源
英文描述: 5.0 AMP POSITIVE VOLTAGE REGULATOR
中文描述: 18 V FIXED POSITIVE REGULATOR, SFM3
封裝: TO-220, 3 PIN
文件頁數(shù): 4/28頁
文件大?。?/td> 227K
代理商: KA7818E
KA78XX/KA78XXA
4
Electrical Characteristics (KA7808/KA7808R)
(Refer to test circuit ,0
°
C < T
J
< 125
°
C, I
O
= 500mA, V
I
=14V, C
I
= 0.33
μ
F, C
O
=0.1
μ
F, unless otherwise specified)
Note:
1. Load and line regulation are specified at constant junction temperature. Changes in V
O
due to heating effects must be taken
into account separately. Pulse testing with low duty is used.
Parameter
Symbol
Conditions
KA7808
Typ.
8.0
Unit
Min.
7.7
Max.
8.3
Output Voltage
V
O
T
J
=+25
o
C
5.0mA
I
O
1.0A, P
O
15W
V
I
= 10.5V to 23V
7.6
-
-
-
8.0
5.0
2.0
10
8.4
160
80
160
V
Line Regulation (Note1)
Regline
T
J
=+25
o
C
V
I
= 10.5V to 25V
V
I
= 11.5V to 17V
I
O
= 5.0mA to 1.5A
I
O
= 250mA to
750mA
mV
Load Regulation (Note1)
Regload
T
J
=+25
o
C
mV
-
5.0
80
Quiescent Current
I
Q
T
J
=+25
o
C
I
O
= 5mA to 1.0A
V
I
= 10.5A to 25V
I
O
= 5mA
f = 10Hz to 100KHz, T
A
=+25
o
C
f = 120Hz, V
I
= 11.5V to 21.5V
I
O
= 1A, T
J
=+25
o
C
f = 1KHz
V
I
= 35V, T
A
=+25
o
C
T
J
=+25
o
C
-
-
-
-
-
5.0
0.05
0.5
-0.8
52
73
2
17
230
2.2
8.0
0.5
1.0
-
-
-
-
-
-
-
mA
Quiescent Current Change
I
Q
mA
Output Voltage Drift
Output Noise Voltage
Ripple
Rejection
Dropout Voltage
Output Resistance
Short Circuit Current
Peak Current
V
O
/
T
V
N
RR
V
Drop
r
O
I
SC
I
PK
mV/
o
C
μ
V/Vo
dB
V
m
mA
A
56
-
-
-
-
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