PAM2307 Datasheet, PDF (5/13 Pages) Power Analog Micoelectronics – 3A Low Noise Step-Down DC-DC Converter

PAM2307
3A Low Noise Step-Down DC-DC Converter
Typical Performance Characteristics
T_A =25°C, C_IN =22*2uF,Co=22μF unless otherwise noted.
Efficiency vs Output Current (Vo=1.2V)
100
90
80
70
60
50
40
30
Vin=3. 6V
20
Vin=4. 2V
10
Vin=5V
0
1
10
100
1000
10000
Output Curren t(mA)
1
0.8
0.6
0.4
0.2
0
1
-0.2
-0.4
-0.6
-0.8
-1
Load Regulation (Vo=1.2V)
Vin=3. 6V
Vin=4. 2V
Vin=5V
10
10 0
1000
10000
Ou tput C urrent (mA)
Efficiency vs Output Current (Vo=1.8V )
100
90
80
70
60
50
40
30
20
10
0
1
Vin=3. 6V
Vin=4V
Vin=5V
10
100
1000
Out put Current(mA)
10000
1
0 .8
0 .6
0 .4
0 .2
0
-0 .2 ¹
-0 .4
-0 .6
-0 .8
-1
Load Regulation (Vo=1.8V)
V in=3 .6 V
V in=4 .2 V
V in=5 V
10
100
1000
10000
Out p ut C urre nt(mA )
Efficiency vs Output Current (Vo=3.3V)
100
90
80
70
60
50
40
30
Vi n= 3.6V
20
Vi n= 4.2V
10
Vi n= 5V
0
1
10
100
1000
10000
Output Current(mA)
1
0.8
0.6
0.4
0.2
0
1
-0 .2
-0 .4
-0 .6
-0 .8
-1
Load Regulation (Vo=3.3V)
Vi n =3 .6V
Vi n =4 .2V
Vi n =5 V
10
100
10 0 0
10 0 00
Ou tp ut Cu rre n t(m A )
Power Analog Microelectronics, Inc
www.poweranalog.com
5
03/2011 Rev2.1