PAM2305D
1A Step-Down DC-DC Converter
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 Input Voltage (Vo=1.2V)
100
90
80
70
60
50
40
95
90
85
80
75
70
65
60
Vin=3.6V
Vin=4.2V
Vin=5.0V
Io=10mA
Io=100mA
Io=1000mA
1
10
100
1000
2.5
3.0
3.5
4.0
4.5
5.0
5.5
5.5
5.5
Input Voltage(V)
Output Current(mA)
Efficiency vs Output Current (Vo=1.5V)
Efficiency vs Input Voltage (Vo=1.5V)
95
90
85
80
75
70
65
60
100
90
80
70
60
50
40
Io=10mA
Vin=3.6V
Vin=4.2V
Vin=5.0V
Io=100mA
Io=1000mA
2.5
3.0
3.5
4.0
4.5
5.0
1
10
100
1000
Input Voltage(V)
Output Current(mA)
Eifficiency vs Input Voltage (Vo=1.8V)
Efficiency vs Output Current (Vo=1.8V)
95
90
85
80
100
90
80
70
60
50
40
75
70
Vin=3.6V
Vin=4.2V
Vin=5.0V
Io=10mA
Io=100mA
Io=1000mA
65
60
1
10
100
1000
2.5
3.5
Input Voltage(V)
4.5
Output Current(mA)
Power Analog Microelectronics, Inc
www.poweranalog.com
02/2012 Rev1.1
5
PAM [ POWER ANALOG MICOELECTRONICS ]
