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ADP2139CB-1.2EVALZ PDF预览

ADP2139CB-1.2EVALZ

更新时间: 2022-02-26 09:02:56
品牌 Logo 应用领域
亚德诺 - ADI /
页数 文件大小 规格书
20页 544K
描述
Compact, 800 mA, 3 MHz, Step-Down DC-to-DC Converter

ADP2139CB-1.2EVALZ 数据手册

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ADP2138/ADP2139  
Data Sheet  
TYPICAL PERFORMANCE CHARACTERISTICS  
VIN = 3.6 V, TA = 25°C, VEN = VIN, unless otherwise noted.  
100  
90  
80  
70  
60  
50  
40  
30  
100  
90  
80  
70  
60  
50  
40  
30  
20  
10  
0
V
V
V
V
= 2.3V  
= 3.6V  
= 4.2V  
= 5.5V  
V
V
V
V
= 2.3V  
= 3.6V  
= 4.2V  
= 5.5V  
IN  
IN  
IN  
IN  
IN  
IN  
IN  
IN  
20  
10  
0
0.001  
0.01  
0.1  
1
1
1
0.001  
0.01  
0.1  
1
1
1
I
(A)  
I
(A)  
OUT  
OUT  
Figure 3. Efficiency vs. Load Current, Across Input Voltage,  
OUT = 1.8 V, PSM Mode  
Figure 6. Efficiency vs. Load Current, Across Input Voltage,  
OUT = 0.8 V, PWM Mode  
V
V
100  
90  
80  
70  
60  
50  
40  
30  
20  
10  
0
100  
90  
80  
70  
60  
50  
40  
30  
20  
10  
0
V
V
V
V
= 2.3V  
= 3.6V  
= 4.2V  
= 5.5V  
IN  
IN  
IN  
IN  
V
V
V
= 3.9V  
= 4.2V  
= 5.5V  
IN  
IN  
IN  
0.001  
0.01  
0.1  
0.001  
0.01  
0.1  
I
(A)  
I
(A)  
OUT  
OUT  
Figure 4. Efficiency vs. Load Current, Across Input Voltage,  
OUT = 1.8 V, PWM Mode  
Figure 7. Efficiency vs. Load Current, Across Input Voltage,  
OUT = 3.3 V, PSM Mode  
V
V
100  
90  
80  
70  
60  
50  
40  
30  
20  
10  
0
100  
90  
80  
70  
60  
50  
40  
30  
20  
10  
0
V
V
V
V
= 2.3V  
= 3.6V  
= 4.2V  
= 5.5V  
IN  
IN  
IN  
IN  
V
V
V
= 3.9V  
= 4.2V  
= 5.5V  
IN  
IN  
IN  
0.001  
0.01  
0.1  
0.001  
0.01  
0.1  
I
(A)  
I
(A)  
OUT  
OUT  
Figure 5. Efficiency vs. Load Current, Across Input Voltage,  
OUT = 0.8 V, PSM Mode  
Figure 8. Efficiency vs. Load Current, Across Input Voltage,  
OUT = 3.3 V, PWM Mode  
V
V
Rev. C | Page 6 of 20  
 

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