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參數(shù)資料
| 型號(hào)： | KA78M20RI |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | THREE-TERMINAL POSITIVE FIXED VOLTAGE REGULATORS |
| 中文描述： | 三端固定電壓調(diào)節(jié)器 |
| 文件頁數(shù)： | 10/18頁 |
| 文件大?。?/td> | 191K |
| 代理商： | KA78M20RI |
MC78MXX (LM78MXX) (KA78MXX)
10
F
KA78M20/I/R/RI Electrical Characteristics
(Refer to the test circuits, T
MIN
≤
T
J
≤
+125
°
C, I
O
=350mA, V
I
=29V, unless otherwise specified, C
I
= 0.33mF, C
O
=0.1mF)
NOTE:
1. T
MIN
:
KA78MXX/RI: T
MIN
= -40
°
C
KA78MXX/R: T
MIN
= 0
°
C
2. 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
V
O
Conditions
Min.
19.2
19
Typ.
20
20
Max.
20.8
21
Units
V
Output Voltage
T
J
= +25
°
C
I
O
= 5 to 350mA
V
I
= 23 to 35V
I
O
= 200mA
T
J
=+25
°
C
Line Regulation
V
O
V
I
= 23 to 35V
V
I
= 24 to 35V
-
-
-
-
-
-
-
-
-
-
-
100
50
400
200
6
0.5
0.8
mV
Load Regulation
V
O
I
O
= 5mA to 0.5A, T
J
=+25
°
C
I
O
= 5mA to 200mA, T
J
=+25
°
C
T
J
=+25
°
C
I
O
= 5mA to 350mA
I
O
= 200mA
V
I
= 23 to 35V
I
O
= 5mA
T
J
= 0 to +125
°
C
f = 10Hz to 100KHz
f = 120Hz, I
O
= 300mA
V
I
= 24 to 34V
T
J
=+25
°
C, I
O
= 500mA
T
J
= +25
°
C, V
I
= 35V
T
J
= +25
°
C
mV
Quiescent Current
Quiescent Current Change
I
Q
I
Q
4.2
-
-
mA
mA
Output Voltage Drift
V/
T
-
-1.1
-
mV/
°
C
Output Noise Voltage
Ripple Rejection
V
N
RR
-
110
-
-
-
mV/V
O
dB
53
Dropout Voltage
Short Circuit Current
Peak Current
V
D
I
SC
I
PK
-
-
-
2
-
-
-
V
300
700
mA
mA
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