AAT2550_08 ANALOGICTECH [Advanced Analogic Technologies], AAT2550_08 Datasheet - Page 6

• Manufacturer Part Number: AAT2550_08
• Description: Total Power Solution for Portable Applications
• Manufacturer: ANALOGICTECH [Advanced Analogic Technologies]

Typical Characteristics — Step-Down Converter
6
6
SystemPower
SystemPower
100
100
90
80
70
60
50
90
80
70
60
50
100
90
80
70
60
50
0.1
0.1
0.1
V
V
V
IN
IN
IN
= 3.6V
= 2.7V
= 2.7V
V
IN
= 5.0V
V
1
1
Efficiency vs. Load
Efficiency vs. Load
(V
(V
IN
1
Efficiency vs. Load
(V
= 3.6V
OUT
OUT
Output Current (mA)
Output Current (mA)
TM
TM
V
OUT
Output Current (mA)
V
IN
= 1.8V; L = 4.7μ μ H)
= 3.3V; L = 6.8μ μ H)
IN
= 2.5V; L = 6.8μ μ H)
= 3.6V
= 4.2V
V
IN
10
10
= 4.2V
10
V
IN
V
= 5.0V
IN
= 4.2V
100
100
100
1000
1000
w w w . a n a l o g i c t e c h . c o m
w w w . a n a l o g i c t e c h . c o m
1000
Total Power Solution for Portable Applications
Total Power Solution for Portable Applications
-0.5
-1.0
-0.5
-1.0
-0.5
-1.0
1.0
0.5
0.0
1.0
0.5
0.0
1.0
0.5
0.0
0.1
0.1
0.1
PRODUCT DATASHEET
PRODUCT DATASHEET
1
1
1
(V
Output Current (mA)
Output Current (mA)
Output Current (mA)
OUT
DC Regulation
DC Regulation
DC Regulation
(V
(V
= 3.3V; L = 6.8µH)
OUT
OUT
AAT2550178
AAT2550178
= 1.8V)
= 2.5V)
10
10
10
V
V
IN
V
2550.2008.02.1.3
2550.2008.02.1.3
V
V
IN
V
IN
= 4.2V
IN
IN
100
100
V
100
IN
= 3.6V
V
= 3.6V
= 3.6V
IN
= 5.0V
V
= 3.0V
IN
V
IN
= 2.7V
IN
= 4.2V
= 5.0V
= 4.2V
1000
1000
1000