AAT1146 Analogic Corporation, AAT1146 Datasheet - Page 5

• Manufacturer Part Number: AAT1146
• Manufacturer: Analogic Corporation

Typical Characteristics
1146.2006.01.1.2
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
IN
(V
1
Efficiency vs. Load
(V
= 3.6V
OUT
OUT
Output Current (mA)
Output Current (mA)
OUT
V
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
Fast Transient 400mA Step-Down Converter
1000
1000
1000
-0.5
-1.0
1.0
0.5
0.0
-0.5
-1.0
-0.5
-1.0
1.0
0.5
0.0
1.0
0.5
0.0
0.1
0.1
0.1
1
1
1
(V
Output Current (mA)
Output Current (mA)
Output Current (mA)
OUT
DC Regulation
DC Regulation
DC Regulation
= 3.3V; L = 6.8µH)
(V
(V
OUT
OUT
= 1.8V)
= 2.5V)
10
10
10
V
V
IN
V
V
V
IN
V
IN
= 4.2V
IN
AAT1146
IN
100
100
V
100
IN
= 3.6V
= 3.6V
= 3.6V
V
V
IN
= 5.0V
= 3.0V
IN
V
IN
= 2.7V
IN
= 4.2V
= 5.0V
= 4.2V
1000
1000
1000
5