ADP2107 Analog Devices, ADP2107 Datasheet - Page 8

• Manufacturer Part Number: ADP2107
• Description: 2 Amp Synchronous, Step-Down DC-to-DC Converter
• Manufacturer: Analog Devices

ADP2105/ADP2106/ADP2107
TYPICAL PERFORMANCE CHARACTERISTICS
100
100
100
95
90
85
80
75
70
65
60
95
90
85
80
75
70
65
60
55
50
95
90
85
80
75
70
65
60
1
1
1
V
Figure 5. Efficiency—ADP2105 (1.2 V Output)
Figure 6. Efficiency—ADP2105 (3.3 V Output)
IN
Figure 7. Efficiency—ADP2106 (1.8 V Output)
= 2.7V
V
V
IN
IN
10
= 2.7V
= 5.5V
V
V
IN
IN
10
10
LOAD CURRENT (mA)
LOAD CURRENT (mA)
LOAD CURRENT (mA)
= 4.2V
= 4.2V
V
IN
V
= 3.6V
V
IN
IN
= 3.6V
100
= 4.2V
V
INDUCTOR: CDRH5D18, 4.1μH
DCR: 43mΩ
T
IN
A
V
IN
= 25°C
= 3.6V
INDUCTOR: D62LCB, 2µH
DCR: 28mΩ
T
= 5.5V
A
INDUCTOR: SD14, 2.5µH
DCR: 60mΩ
T
A
= 25°C
100
100
= 25°C
1k
V
IN
= 5.5V
1000
1
10k
000
Rev. C | Page 8 of 36
100
100
100
95
90
85
80
75
70
65
95
90
85
80
75
70
65
60
55
50
95
90
85
80
75
70
65
60
55
50
1
1
1
V
V
IN
IN
Figure 10. Efficiency—ADP2106 (3.3 V Output)
Figure 8. Efficiency—ADP2105 (1.8 V Output)
Figure 9. Efficiency—ADP2106 (1.2 V Output)
= 4.2V
= 3.6V
V
IN
V
= 3.6V
IN
10
10
= 4.2V
V
10
V
LOAD CURRENT (mA)
IN
LOAD CURRENT (mA)
LOAD CURRENT (mA)
V
IN
IN
= 2.7V
= 5.5V
= 3.6V
V
100
IN
100
V
IN
= 4.2V
= 5.5V
V
INDUCTOR: D62LCB, 3.3µH
DCR: 47mΩ
T
INDUCTOR: SD3814, 3.3µH
DCR: 93mΩ
T
IN
A
INDUCTOR: D62LCB, 2µH
DCR: 28mΩ
T
A
A
= 5.5V
= 25°C
= 25°C
V
= 25°C
100
IN
= 2.7V
1k
1k
1000
10k
10k