參數(shù)資料
型號: KA7818A
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, PSFM3
封裝: TO-220, 3 PIN
文件頁數(shù): 10/28頁
文件大小: 227K
代理商: KA7818A
KA78XX/KA78XXA
10
Electrical Characteristics (KA7824)
(Refer to test circuit ,0
°
C < T
J
< 125
°
C, I
O
= 500mA, V
I
=33V, 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
KA7824
Typ.
24
Unit
Min.
23
Max.
25
Output Voltage
V
O
T
J
=+25
o
C
5.0mA
I
O
1.0A, P
O
15W
V
I
= 27V to 38V
22.8
-
-
-
-
-
-
-
24
17
6
15
5.0
5.2
0.1
0.5
25.25
480
240
480
240
8.0
0.5
1
V
Line Regulation (Note1)
Regline
T
J
=+25
o
C
V
I
= 27V to 38V
V
I
= 30V to 36V
I
O
= 5mA to 1.5A
I
O
= 250mA to 750mA
mV
Load Regulation (Note1)
Regload T
J
=+25
o
C
mV
Quiescent Current
I
Q
T
J
=+25
o
C
I
O
= 5mA to 1.0A
V
I
= 27V to 38V
mA
Quiescent Current Change
I
Q
mA
Output Voltage Drift
V
O
/
T
I
O
= 5mA
-
-1.5
-
mV/
o
C
μ
V/Vo
Output Noise Voltage
V
N
f = 10Hz to 100KHz, T
A
=+25
o
C
f = 120Hz
V
I
= 28V to 38V
I
O
= 1A, T
J
=+25
o
C
f = 1KHz
V
I
= 35V, T
A
=+25
o
C
T
J
=+25
o
C
-
60
-
Ripple
Rejection
RR
50
67
-
dB
Dropout Voltage
Output Resistance
Short Circuit Current
Peak Current
V
Drop
r
O
I
SC
I
PK
-
-
-
-
2
-
-
-
-
V
28
230
2.2
m
mA
A
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