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KA78M12 参数 Datasheet PDF下载

KA78M12图片预览
型号: KA78M12
PDF下载: 下载PDF文件 查看货源
内容描述: 三端0.5A正电压稳压器 [3-terminal 0.5A positive voltage regulator]
分类和应用: 稳压器
文件页数/大小: 16 页 / 83 K
品牌: FAIRCHILD [ FAIRCHILD SEMICONDUCTOR ]
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KA78MXX  
Electrical Characteristics (KA78M18/KA78M18R)  
(Refer to the test circuits, 0 T +125°C, I =350mA, V =26V, unless otherwise specified, C = 0.33µF, C =0.1µF)  
J
O
I
I
O
Parameter  
Output Voltage  
Symbol  
Conditions  
Min. Typ. Max. Unit  
T =+25°C  
17.3 18  
18.7  
J
V
O
V
I
= 5 to 350mA  
V = 20.5 to 33V  
O
17.1 18  
18.9  
I
V = 21 to 33V  
-
-
-
-
-
-
-
100  
50  
I
I
= 200mA  
O
J
Line Regulation  
V  
mV  
O
T =+25°C  
V = 24 to 33V  
I
-
I
I
= 5mA to 0.5A, T =+25°C  
-
-
360  
180  
6
O
O
J
Load Regulation  
VΟ  
mV  
mA  
= 5mA to 200mA, T =+25°C  
J
Quiescent Current  
I
T =+25°C  
4.2  
-
Q
J
I
= 5mA to 350mA  
0.5  
O
Quiescent Current Change  
I  
mA  
Q
I
= 200mA  
O
I
-
-
0.8  
V = 21 to 33V  
Output Voltage Drift  
Output Noise Voltage  
Ripple Rejection  
Dropout Voltage  
V/T  
I
=5mAT =0 to 125°C  
-
-
1.1  
100  
-
-
-
-
-
-
-
mV/°C  
µV  
O
J
V
N
f=10Hz to 100KHz  
f=120Hz, I =300mA , V =22 to 32V  
RR  
53  
-
dB  
O
I
V
D
T =+25°C, I =500mA  
2
V
J
O
Short Circuit Current  
Peak Current  
I
T =+25°C, V =35V  
-
300  
700  
mA  
mA  
SC  
J
I
I
T =+25°C  
-
PK  
J
Notes:  
*Load and line regulation are specified at constant, junction temperature. Change in V due to heating effects must be taken  
o
into account separately. Pulse testing with low duty is used.  
8