PAM2301
800mA Step-Down DC-DC Converters
Typical Performance Characteristics
TA=25OC, CIN=10μF, CO=10uF,L=4.7μH, unless otherwise noted.
Efficiency VS Output Current (Vo=1.2V)
Efficiency VS Output Current (Vo=1.5V)
100
90
80
70
60
50
40
30
20
100
90
80
70
60
50
40
30
20
10
0
Vin=2.7V
Vin=3.6V
Vin=4.2V
2.5V
3.6V
4.2V
1
10
100
1000
1
10
100
1000
Output Current(mA)
Output Current(mA)
Efficiency VS Output Current (Vo=1.8V)
Efficiency VS Output Current (Vo=2.5V)
100
90
80
70
60
50
40
30
20
100
90
80
70
60
50
40
30
20
3V
2.5V
3.6V
4.2V
3.6V
4.2V
1
10
100
1000
1
10
100
1000
Output Current(mA)
Output Current(mA)
Eifficiency VS Output Current (Vo=3.3V)
Efficiency VS Output Current (Vo=2.8V)
100
90
80
70
60
50
40
30
20
100
90
80
70
60
50
40
30
20
10
0
Vin=3.6V
Vin=4.2V
Vin=5.0V
3V
3.6V
4.2V
1
10
100
1000
1
10
100
1000
Output Current(mA)
Output Current(mA)
Power Analog Microelectronics,Inc
www.poweranalog.com
09/2008 Rev 1.3
5
PAM [ POWER ANALOG MICOELECTRONICS ]
