PAM2309 Datasheet, PDF (5/16 Pages) Power Analog Micoelectronics – 1A Step-Down DC-DC Converter

PAM2309
1A Step-Down DC-DC Converter
Typical Performance Characteristics
T_A=25°C, C_IN=10μF, C_O=10μF, L=4.7μH, unless otherwise noted.
Efficiency vs Output Current (Vo=1.2V)
100
90
80
70
60
50
40
30
20
Vi n= 3.6V
10
Vi n= 4.2V
Vi n= 5V
0
1
10
100
1000
Output Current(mA)
Efficiency vs Output Current (Vo=1.5V)
100
90
80
70
60
50
40
30
20
1
2.5V
3.6V
4.2V
10
100
1000
Output Current(mA)
Efficiency vs Output Current (Vo=1.8V)
100
90
80
70
60
50
40
30
20
1
10
100
Output Current(mA)
2.5V
3.6V
4.2V
1000
Efficiency vs Output Current (Vo=2.5V)
100
90
80
70
60
50
40
30
20
1
3V
3.6V
4.2V
10
100
1000
Output Current(mA)
Efficiency vs Output Current (Vo=2.8V)
100
90
80
70
60
50
40
30
20
1
3V
3.6V
4.2V
10
100
1000
Output Current(mA)
Eifficiency VS Output Current (Vo=3.3V)
100
90
80
70
60
50
40
30
20
Vin=3.6V
Vin=4.2V
10
Vin=5V
0
1
10
100
1000
Output Current(mA)
Power Analog Microelectronics,Inc
www.poweranalog.com
5
08/2009 Rev 1.1