PAM2303
3A Low Noise Step-Down DC-DC Converter
Typical Performance Characteristics
TA =25°C, CIN =33uF,Co=22μF unless otherwise noted.
Efficienvy VS Input Voltage (Vo=1.2V)
Efficiency vs Output Current (Vo=1.2V)
100%
100%
90%
80%
70%
60%
50%
40%
30%
20%
10%
0%
90%
80%
70%
60%
50%
40%
30%
20%
3.3V
4.2V
5V
0.1A
1A
3A
10%
0%
1
10
100
1000
10000
2
2.5
3
3.5
Input Voltage (V)
Efficienvy VS Input Voltage (Vo=1.8V)
4
4.5
5
5.5
6
6
6
Output Current (mA)
Efficiency vs Output Current (Vo=1.8V)
100%
90%
80%
70%
60%
50%
40%
30%
20%
10%
0%
100%
90%
80%
70%
60%
50%
40%
30%
0.1A
1A
3A
3.3V
4.2V
5V
20%
10%
0%
1
10
100
1000
10000
2
2.5
3
3.5
Input Voltage (V)
Efficienvy VS Input Voltage (Vo=3.3V)
4
4.5
5
5.5
Output Current (mA)
Efficiency vs Output Current (Vo=3.3V)
110%
100%
100%
90%
80%
70%
60%
50%
40%
30%
20%
10%
0%
90%
80%
70%
60%
50%
40%
30%
20%
10%
0%
0.1A
4.2V
5V
5.5V
1A
3A
1
10
100
1000
10000
3
3.5
4
4.5
5
5.5
Output Current (mA)
Input Voltage (V)
Power Analog Microelectronics, Inc
www.poweranalog.com
11/2011 Rev1.2
5
PAM [ POWER ANALOG MICOELECTRONICS ]
