PAM2320 Datasheet, PDF (5/11 Pages) Power Analog Micoelectronics – 3A Low Noise Step-Down DC-DC Converter

PAM2320
3A Low Noise Step-Down DC-DC Converter
Typical Performance Characteristics
T_A =25°C, C_IN =33uF,Co=22μF unless otherwise noted.
Efficiency vs Output Current (Vo=1.2V)
100%
90%
80%
70%
60%
50%
40%
30%
20%
10%
3.3 V
4.2 V
5V
0%
1
10
100
1000
Output Current (m A)
10000
Efficiency vs Output Current (Vo=1.8V )
100%
90%
80%
70%
60%
50%
40%
30%
20%
10%
0%
1
3. 3V
4. 2V
5V
10
100
1000
10000
Output Current (m A)
Efficiency vs Output Current (Vo=3.3V)
110%
100%
90%
80%
70%
60%
50%
40%
30%
20%
10%
0%
1
4.2V
5V
5.5V
10
100
1000
10000
Output Current (mA)
Efficienvy VS Input Voltage (Vo=1.2V)
100%
90%
80%
70%
60%
50%
40%
30%
20%
0.1A
1A
10%
3A
0%
2 2.5 3 3.5 4 4.5 5 5.5 6
Input Voltage (V)
Efficienvy VS Input Voltage (Vo=1.8V)
100%
90%
80%
70%
60%
50%
40%
30%
0.1A
20%
1A
10%
3A
0%
2 2.5 3 3.5 4 4.5 5 5.5 6
Input Voltage (V)
Efficienvy VS Input Voltage (Vo=3.3V)
100%
90%
80%
70%
60%
50%
40%
30%
0.1A
20%
1A
10%
3A
0%
3 3.5 4 4.5 5 5.5 6
Input Voltage (V)
Power Analog Microelectronics, Inc
www.poweranalog.com
5
05/2011 Rev1.0