PAM2304
3MHz, 1A Step-Down DC-DC Converter
Typical Performance Characteristics
TA =25°C, CIN =10μF, CO =10μF, L=1μH, unless otherwise noted.
Efficiency vs Output Current (Vo=1.2V)
Efficiency vs Output Current (Vo=1.5V)
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
2.5V
4.2V
5.5V
3.3V
5V
2.5V
4.2V
5.5V
3.3V
5V
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)
1
1
0. 9
0. 8
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0. 7
0. 6
0. 5
0. 4
0. 3
0. 2
2.5V
4.2V
5.5V
3.3V
5V
3.3V
5V
4.2V
5.5V
0. 1
0
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)
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
3.3V
5V
4.2V
5.5V
4.2V
5.5V
5V
1
10
100
1000
1
10
100
1000
Output Current (mA)
Output Current (mA)
Power Analog Microelectronics, Inc
www.poweranalog.com
11/2011 Rev1.1
5
PAM [ POWER ANALOG MICOELECTRONICS ]
