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ADP2105 データシートの表示（PDF） - Analog Devices

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ADP2105
1 A/1.5 A/2 A Synchronous, Step-Down DC-to-DC Converters
ADI
Analog Devices ADI
ADP2105 Datasheet PDF : 36 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
Data Sheet
TYPICAL PERFORMANCE CHARACTERISTICS
100
95
VIN = 3.6V
90
VIN = 2.7V
85
80
VIN = 4.2V
75
VIN = 5.5V
70
65
INDUCTOR: SD14, 2.5µH
DCR: 60mΩ
60
TA = 25°C
1
10
100
1000
LOAD CURRENT (mA)
Figure 5. Efficiency—ADP2105 (1.2 V Output)
100
VIN = 3.6V
95
90
VIN = 4.2V
VIN = 5.5V
85
80
75
70
65
INDUCTOR: CDRH5D18, 4.1μH
DCR: 43mΩ
60
TA = 25°C
1
10
100
1000
LOAD CURRENT (mA)
Figure 6. Efficiency—ADP2105 (3.3 V Output)
100
VIN = 3.6V
95
90
VIN = 2.7V
85
80
VIN = 4.2V
75
VIN = 5.5V
70
65
60
55
INDUCTOR: D62LCB, 2µH
DCR: 28mΩ
50
TA = 25°C
1
10
100
1k
10k
LOAD CURRENT (mA)
Figure 7. Efficiency—ADP2106 (1.8 V Output)
ADP2105/ADP2106/ADP2107
100
95
VIN = 2.7V
90
VIN = 3.6V
85
VIN = 4.2V
80
VIN = 5.5V
75
70
INDUCTOR: SD3814, 3.3µH
DCR: 93mΩ
65
TA = 25°C
1
10
100
1000
LOAD CURRENT (mA)
Figure 8. Efficiency—ADP2105 (1.8 V Output)
100
95
90 VIN = 3.6V
85
VIN = 2.7V
80
VIN = 4.2V
75
70
VIN = 5.5V
65
60
55
INDUCTOR: D62LCB, 2µH
DCR: 28mΩ
50
TA = 25°C
1
10
100
1k
10k
LOAD CURRENT (mA)
Figure 9. Efficiency—ADP2106 (1.2 V Output)
100
95
90
85
80
VIN = 4.2V
75
VIN = 5.5V
70
65
60
55
50
1
VIN = 3.6V
10
INDUCTOR: D62LCB, 3.3µH
DCR: 47mΩ
TA = 25°C
100
1k
10k
LOAD CURRENT (mA)
Figure 10. Efficiency—ADP2106 (3.3 V Output)
Rev. E | Page 9 of 36

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