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 Input Voltage (Vo=1.2V)
Efficiency vs Input Voltage (Vo=1.5V)
1
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
1mA
0.1A
0.6A
10mA
0.3A
1A
1mA
10mA
0.1A
0.6A
0.3A
1A
0
2.5
3
3.5
4
4.5
5
5.5
2.5
3
3.5
4
4.5
5
5.5
5.5
5.5
Input Voltage (V)
Input Voltage (V)
Efficiency vs Input Voltage (Vo=1.8V)
Efficiency vs Input Voltage (Vo=2.5V)
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
1mA
0.1A
0.6A
10mA
0.3A
1A
1m A
0.1 A
0.6 A
10mA
0.3A
1A
3
3. 5
4
4.5
5
5.5
2.5
3
3.5
4
4.5
5
Input Volta ge (V )
Input Voltage (V)
Eifficiency VS Input Voltage (Vo=3.3V)
Efficiency vs Input Voltage (Vo=2.8V)
1.1
1
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
1mA
0.1A
0.6A
10m A
1mA
0. 1A
0. 6A
10mA
0.3A
1A
0.2
0.1
0
0. 3A
1A
3
3.5
4
4. 5
5
3.5
4
4.5
5
5.5
Input Voltage (V)
Input Voltage (V)
Power Analog Microelectronics, Inc
www.poweranalog.com
11/2011 Rev1.1
6
PAM [ POWER ANALOG MICOELECTRONICS ]
