PAM2312 Datasheet, PDF (5/14 Pages) Power Analog Micoelectronics – 1A Step-Down DC-DC Converter

PAM2312
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 C urrent(m A)
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
100 0
Outp ut Curren t(mA)
Efficiency vs Output Current (Vo=1.8V )
10 0
90
80
70
60
50
40
30
20
1
10
1 00
Output Cu rrent(m A)
2.5V
3.6V
4.2V
10 00
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)
10 0
90
80
70
60
50
40
30
20
1
3V
3.6V
4.2V
10
1 00
10 00
Output Cu rrent(m A)
Eifficiency VS Output Current (Vo=3.3V)
10 0
90
80
70
60
50
40
30
20
Vin =3.6V
Vin =4.2V
10
Vin =5V
0
1
10
1 00
10 00
Ou tpu t Curren t(mA)
Power Analog Microelectronics, Inc
www.poweranalog.com
5
05/2010 Rev1.0