PAM2309 Datasheet, PDF (8/16 Pages) Power Analog Micoelectronics – 1A Step-Down DC-DC Converter

PAM2309
1A Step-Down DC-DC Converter
Typical Performance Characteristics
T_A=25 ^OC, C = _IN 10μF, C_O=10μF, L=4.7μH, unless otherwise noted.
Dynamic Supply Current VS Input Voltage
50
45 ^Vo=1.2V
40 ILoad=0A
35
30
25
20
15
10
5
0
2.5
3.5
4.5
5.5
Input Voltage(V)
Dynamic Supply Current VS Temperature
60
50
40
30
20 ^Vo=1.2V
Vin=3.6V
10
ILoad=0A
0
40
60
80
100
120
140
Temperature(℃）
Rdson VS Input Voltage
0.4
0.35
0.3
0.25
0.2
0.15
0.1
2
3
4
5
6
Input Voltage
Rdson VS Temperature
0.6
Vin=3.6V
0.5
0.4
0.3
0.2
0.1
0
20
Vin=4.2V
Vin=3.6V
Vin=2.7V
70
Temperature(℃)
120
Oscillator Frequency VS Supply Voltage
1.8
1.7
1.6
1.5
1.4
1.3
1.2
2
3
4
5
6
7
Supply Voltage(V)
Oscillator Frequency VS Temperature
1.58
Vin=3.6V
1.56
1.54
1.52
1.50
20
40
60
80
100 120 140
Temperature(℃）
Power Analog Microelectronics,Inc
www.poweranalog.com
8
08/2009 Rev 1.1