AME
1.5MHz, 600mA
Synchronous Buck Converter
AME5258
Efficiency vs Load Current
Efficiency vs Load Current
100
90
80
70
60
50
40
30
20
95
V =2.7V
IN
90
85
VIN =2.7V
VIN =3.6V
80
75
70
VIN=3.3V
VIN =4.2V
VIN =4.2V
65
60
VOUT=1.5V
VOUT=1.8V
55
50
1
10
100
1000
1
10
100
1000
IOUT (mA)
IOUT (mA)
Efficiency vs Load Current
Output Voltage vs Load Current
1.844
1.834
1.824
1.814
100
95
90
85
80
VIN=2.7V
VIN =3.6V
VIN =4.2V
75
70
65
60
1.804
1.794
VOUT=2.5V
1.784
1.774
55
50
1
10
100
1000
IOUT (mA)
0
100 200
300 400
500
600 700 800
900
IOUT (mA)
Current Limit vs Input Voltage
1800
1700
1600
1500
1400
1300
1200
1100
1000
2.5
3.0
3.5
4.0
4.5
5.0
5.5
Temperature (oC)
14
Rev.A.05
AMETHERM [ AMETHERM CIRCUIT PROTECTION THERMISTORS ]
