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ADP2118ACPZ-1.5-R7 PDF预览

ADP2118ACPZ-1.5-R7

更新时间: 2024-02-06 17:56:38
品牌 Logo 应用领域
亚德诺 - ADI 转换器
页数 文件大小 规格书
24页 1228K
描述
3 A, 1.2 MHz/600 kHz High Efficiency Synchronous Step-Down DC-to-DC Converter

ADP2118ACPZ-1.5-R7 数据手册

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ADP2118  
TYPICAL PERFORMANCE CHARACTERISTICS  
TA = 25°C, VIN = 5 V, V OUT = 1.2 V, L = 1 µH, CIN = 100 µF, COUT = 100 µF, unless otherwise noted.  
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
V
= 1.0V  
= 1.2V  
= 1.5V  
= 1.8V  
= 2.5V  
V
V
V
V
V
= 1.0V  
= 1.2V  
= 1.5V  
= 1.8V  
= 2.5V  
OUT  
OUT  
OUT  
OUT  
OUT  
OUT  
OUT  
OUT  
OUT  
OUT  
INDUCTOR COILCRAFT  
MSS1038-102NL  
INDUCTOR COILCRAFT  
MSS1038-102NL  
0
0.5  
1.0  
1.5  
2.0  
2.5  
3.0  
0
0.5  
1.0  
1.5  
2.0  
2.5  
3.0  
OUTPUT CURRENT (A)  
OUTPUT CURRENT (A)  
Figure 4. Efficiency (1.2 MHz, VIN = 3.3 V, FPWM) vs. Output Current  
Figure 7. Efficiency (1.2 MHz, VIN = 3.3 V, PFM) vs. Output Current  
100  
90  
80  
70  
60  
50  
40  
30  
100  
90  
80  
70  
60  
50  
40  
30  
V
V
V
V
V
V
= 1.0V  
= 1.2V  
= 1.5V  
= 1.8V  
= 2.5V  
= 3.3V  
V
V
V
V
V
V
= 1.0V  
= 1.2V  
= 1.5V  
= 1.8V  
= 2.5V  
= 3.3V  
OUT  
OUT  
OUT  
OUT  
OUT  
OUT  
OUT  
OUT  
OUT  
OUT  
OUT  
OUT  
20  
10  
0
20  
10  
0
INDUCTOR COILCRAFT  
MSS1038-102NL  
INDUCTOR COILCRAFT  
MSS1038-102NL  
0
0.5  
1.0  
1.5  
2.0  
2.5  
3.0  
0
0.5  
1.0  
1.5  
2.0  
2.5  
3.0  
OUTPUT CURRENT (A)  
OUTPUT CURRENT (A)  
Figure 8. Efficiency (1.2 MHz, VIN = 5 V, PFM) vs. Output Current  
Figure 5. Efficiency (1.2 MHz, VIN = 5 V, FPWM) vs. Output Current  
100  
90  
80  
70  
60  
50  
40  
30  
100  
90  
80  
70  
60  
50  
40  
30  
V
V
V
V
V
= 1.0V  
= 1.2V  
= 1.5V  
= 1.8V  
= 2.5V  
V
V
V
V
V
= 1.0V  
= 1.2V  
= 1.5V  
= 1.8V  
= 2.5V  
OUT  
OUT  
OUT  
OUT  
OUT  
OUT  
OUT  
OUT  
OUT  
OUT  
20  
10  
0
20  
10  
0
INDUCTOR SUMIDA  
CDRH105R2R2NC  
INDUCTOR SUMIDA  
CDRH105R2R2NC  
0
0.5  
1.0  
1.5  
2.0  
2.5  
3.0  
0
0.5  
1.0  
1.5  
2.0  
2.5  
3.0  
OUTPUT CURRENT (A)  
OUTPUT CURRENT (A)  
Figure 6. Efficiency (600 kHz, VIN = 3.3 V, FPWM) vs. Output Current  
Figure 9. Efficiency (600 kHz, VIN = 3.3 V, PFM) vs. Output Current  
Rev. 0 | Page 7 of 24  
 

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