ame5251 AME, Inc., ame5251 Datasheet - Page 12

• Manufacturer Part Number: ame5251
• Description: Dual 1a, 1.5mhz Synchronous Step-down Converter
• Manufacturer: AME, Inc.

n Characterization Curve(For reference only)
12
AME5251
100
100
100
90
80
70
60
50
40
90
80
70
60
50
40
90
80
70
60
50
40
0.1
0.1
0.1
V
V
V
OUT
Efficiency vs. Output Current
AME
OUT
Efficiency vs. Output Current
Efficiency vs. Output Current
OUT
= 1.5V C
= 2.5V C
= 1.2V
1
1
1
Output Current(mA)
Output Current(mA)
Output Current(mA)
C
OUT
OUT
OUT
10
10
= 10 F L = 2.2 H
10
= 10 F L = 2.2 H
= 10 F L = 2.2 H
V
V
100
100
IN
100
IN
V
= 2.7V
= 2.7V
IN
= 2.5V
1000
1000
1000
Dual 1A, 1.5MHz Synchronous
100
100
100
90
80
70
60
50
40
90
80
70
60
50
40
90
80
70
60
50
40
0.1
0.1
0.1
V
V
Efficiency vs. Output Current
Efficiency vs. Output Current
Efficiency vs. Output Current
V
OUT
OUT
OUT
= 2.5V C
= 1.5V
= 1.2V C
1
1
1
Output Current (mA)
Step-Down Converter
Output Current(mA)
Output Current (mA)
C
OUT
OUT
OUT
10
10
10
= 10 F L = 2.2 H
= 10 F L = 2.2 H
= 10 F L = 2.2 H
V
100
100
100
V
IN
V
IN
IN
= 3.6V
= 3.6V
= 5.5V
Rev. A.02
1000
1000
1000