ame5258a AME, Inc., ame5258a Datasheet - Page 14

• Manufacturer Part Number: ame5258a
• Description: Synchronous Buck Converter
• Manufacturer: AME, Inc.

14
AME5258A
1800
1700
1600
1500
1400
1300
1200
1100
1000
100
100
90
80
70
60
50
40
30
20
95
90
85
80
75
70
65
60
55
50
2.5
1
1
V
IN
V
Current Limit vs Input Voltage
=2.7V
3.0
AME
IN
Efficiency vs Load Current
Efficiency vs Load Current
=2. 7V
V
IN
=4.2V
Temperature (
3. 5
10
10
V
IN
=3.3V
I
I
OUT
OUT
V
IN
(mA)
=4.2V
(mA)
4.0
V
IN
=3.6V
o
100
100
4.5
C)
V
V
OUT
OUT
=2.5V
5. 0
=1.5V
1000
1000
5.5
1.844
1.834
1.824
1.814
1.804
1.794
1.784
1.774
Synchronous Buck Converter
95
90
85
80
75
70
65
60
55
50
1
0
100
Output Voltage vs Load Current
Efficiency vs Load Current
200
V
V
10
300
IN
IN
=2.7V
=4.2V
I
I
OUT
OUT
400
(mA)
(mA)
500
1.5MHz, 800mA
V
IN
100
600
=3.6V
V
700
OUT
=1.8V
800
1000
900
Rev.A.01