AAT1121IES-0.6-T1 Advanced Analog Technology, Inc., AAT1121IES-0.6-T1 Datasheet - Page 5

• Manufacturer Part Number: AAT1121IES-0.6-T1
• Description: 1.5MHz, 250mA Step-Down Converter
• Manufacturer: Advanced Analog Technology, Inc.

Typical Characteristics
1121.2007.03.1.2
100
100
100
90
80
70
60
50
40
90
80
70
60
50
40
30
90
80
70
60
50
40
0.1
0.1
0.1
V
V
V
IN
IN
IN
= 3.6V
= 3.6V
= 3.6V
V
V
IN
IN
V
= 4.2V
IN
1
1
= 5.0V
1
Efficiency vs. Load
Efficiency vs. Load
Efficiency vs. Load
V
(V
(V
(V
IN
= 2.7V
V
OUT
OUT
OUT
Output Current (mA)
Output Current (mA)
V
Output Current (mA)
IN
= 2.7V
IN
= 4.2V
= 1.2V; L = 1.5µH)
= 1.8V; L = 3.3µH)
= 3.0V; L = 4.7µH)
= 5.0V
10
10
10
V
IN
= 4.2V
100
100
100
1000
1000
1000
1.5MHz, 250mA Step-Down Converter
-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
V
V
IN
IN
= 4.2V
= 3.6V
V
IN
= 2.7V
DC Load Regulation
DC Load Regulation
DC Load Regulation
1
1
1
(V
(V
(V
V
OUT
OUT
OUT
Output Current (mA)
IN
Output Current (mA)
Output Current (mA)
V
= 3.6V
IN
= 1.2V; L = 1.5µH)
= 1.8V; L = 3.3µH)
= 3.0V; L = 4.7µH)
= 2.7V
V
IN
= 4.2V V
10
10
10
V
IN
= 4.2V
IN
AAT1121
V
= 3.6V
IN
100
100
100
= 5.0V
1000
1000
1000
5