參數(shù)資料
型號: KA7808R
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: 8 V FIXED POSITIVE REGULATOR, PSFM3
封裝: DPAK-3
文件頁數(shù): 19/28頁
文件大?。?/td> 227K
代理商: KA7808R
KA78XX/KA78XXA
19
Electrical Characteristics (KA7824A)
(Refer to the test circuits. 0
o
C < T
J
< +125
o
C, I
o
=1A, V
I
= 33V, C
I
=0.33
μ
F, C
O
=0.1
μ
F, unless otherwise speci-
fied)
Note:
1. Load and line regulation are specified at constant junction temperature. Change in V
O
due to heating effects must be taken
into account separately. Pulse testing with low duty is used.
Parameter
Symbol
Conditions
Min.
23.5
Typ.
24
Max.
24.5
Unit
Output Voltage
V
O
T
J
=+25
°
C
I
O
= 5mA to 1A, P
O
15W
V
I
= 27.3V to 38V
V
I
= 27V to 38V
I
O
= 500mA
V
I
= 21V to 33V
V
23
24
25
Line Regulation (Note1)
Regline
-
18
240
mV
-
-
-
6
18
6
240
240
120
T
J
=+25
°
C
V
I
= 26.7V to 38V
V
I
= 30V to 36V
Load Regulation (Note1)
Regload
T
J
=+25
°
C
I
O
= 5mA to 1.5A
I
O
= 5mA to 1.0A
I
O
= 250mA to 750mA
T
J
=+25
°
C
V
I
= 27.3V to 38V, T
J
=+25
°
C
V
I
= 27.3V to 38V, I
O
= 500mA
I
O
= 5mA to 1.0A
I
O
= 5mA
f = 10Hz to 100KHz
T
A
= 25
°
C
f = 120Hz, I
O
= 500mA
V
I
= 28V to 38V
I
O
= 1A, T
J
=+25
°
C
f = 1KHz
V
I
= 35V, T
A
=+25
°
C
T
J
=+25
°
C
-
15
100
mV
-
-
-
-
-
-
-
15
7
5.2
-
-
-
-1.5
100
50
6.0
0.8
0.8
0.5
-
Quiescent Current
I
Q
mA
Quiescent Current Change
I
Q
mA
Output Voltage Drift
V/
T
mV/
°
C
Output Noise Voltage
V
N
-
10
-
μ
V/Vo
Ripple Rejection
RR
-
54
-
dB
Dropout Voltage
Output Resistance
Short Circuit Current
Peak Current
V
Drop
r
O
I
SC
I
PK
-
-
-
-
2.0
20
250
2.2
-
-
-
-
V
m
mA
A
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