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MIC39300-2.5BU 参数 Datasheet PDF下载

MIC39300-2.5BU图片预览
型号: MIC39300-2.5BU
PDF下载: 下载PDF文件 查看货源
内容描述: 3A低压低压降稳压器 [3A Low-Voltage Low-Dropout Regulator]
分类和应用: 线性稳压器IC调节器电源电路输出元件
文件页数/大小: 12 页 / 109 K
品牌: MICREL [ MICREL SEMICONDUCTOR ]
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MIC39300/39301  
Micrel  
Typical Characteristics  
Dropout Voltage  
vs. Output Current  
Power Supply  
vs. Ripple Rejection  
Power Supply  
vs. Ripple Rejection  
400  
350  
300  
250  
200  
150  
100  
50  
50  
50  
40  
30  
20  
10  
0
40  
30  
VOUT = 2.5V  
20  
VOUT = 2.5V  
VIN = 3.3V  
VIN = 3.3V  
COUT = 47µF  
COUT = 100µF  
10  
I
LOAD = 3A  
ILOAD = 3A  
0
0
0
1000  
2000  
3000  
OUTPUT CURRENT (mA)  
FREQUENCY (Hz)  
FREQUENCY (Hz)  
Ground Current  
vs. Output Current  
Dropout Voltage  
vs. Temperature  
Dropout Characteristics  
50  
40  
30  
20  
10  
0
600  
500  
400  
300  
200  
100  
0
2.8  
2.6  
2.4  
2.2  
2.0  
1.8  
1.6  
1.4  
1.2  
ILOAD = 100mA  
ILOAD = 3A  
VOUT = 2.5V  
ILOAD = 3A  
VOUT = 2.5V  
ILOAD = 3A  
ILOAD = 1.5A  
1.2 1.6 2.0 2.4 2.8 3.2 3.6  
INPUT VOLTAGE (V)  
0
1000  
2000  
3000  
-40 -20  
0
20 40 60 80 100 120  
TEMPERATURE (°C)  
OUTPUT CURRENT (mA)  
Ground Current  
vs. Temperature  
Ground Current  
vs. Supply Voltage  
Ground Current  
vs. Supply Voltage  
8
7
6
5
4
3
2
1
0
10  
8
100  
90  
80  
70  
60  
50  
40  
30  
20  
10  
0
ILOAD = 3000mA  
ILOAD = 1500mA  
ILOAD = 100mA  
ILOAD = 10mA  
6
4
ILOAD  
=
VOUT = 2.5V  
ILOAD = 100mA  
2
1000mA  
0
0
2
4
6
8
10 12  
0
2
4
6
8
10 12  
-40 -20  
0
20 40 60 80 100 120  
SUPPLY VOLTAGE (V)  
SUPPLY VOLTAGE (V)  
TEMPERATURE (°C)  
Ground Current  
vs. Temperature  
Ground Current  
vs. Temperature  
Short Circuit vs.  
Temperature  
25  
20  
15  
10  
5
60  
50  
40  
30  
20  
10  
0
6
5
4
3
2
1
VIN = 3.5V  
(typical 2.5V device)  
VOUT = 2.5V  
ILOAD = 3A  
VOUT = 2.5V  
ILOAD = 1.5A  
0
0
-40 -20  
0
20 40 60 80 100 120  
-40 -20  
0
20 40 60 80 100 120  
-40 -20  
0
20 40 60 80 100 120  
TEMPERATURE (°C)  
TEMPERATURE (°C)  
TEMPERATURE (°C)  
March 2000  
5
MIC39300/39301  
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