PAM2306
Dual High-Efficiency PWM Step-Down DC-DC Coverter
Typical Performance Characteristics
TA=25°C, CIN=10μF, CO=10μF, 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
2.5V
3.6V
4.2V
Vin=3.6V
Vin=4.2V
Vin=5V
1
10
100
1000
1
1
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
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
10
0
100
90
80
70
60
50
40
30
20
Vin=3.6V
Vin=4.2V
Vin=5V
3V
3.6V
4.2V
10
100
1000
1
10
100
1000
Output Current(mA)
Output Current(mA)
Power Analog Microelectronics,Inc
www.poweranalog.com
07/2008 Rev 1.0
6
PAM [ POWER ANALOG MICOELECTRONICS ]
