PAM2312 Datasheet, PDF (8/14 Pages) Power Analog Micoelectronics – 1A Step-Down DC-DC Converter

PAM2312
1A Step-Down DC-DC Converter
Typical Performance Characteristics
T =25 ^OC, C =10μF, C =10μF, L=4.7μH, unless otherwise noted.
A
IN
O
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
Tempe ra tu re(℃ ）
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
Vi n=4.2V
Vi n=3.6V
Vi n=2.7V
70
Temperature(℃)
120
Oscillator Frequency VS Supply Voltage
1.8
1.6
1.4
1.2
1
0.8
0.6
0.4
V o= 1.2V
0.2
V o= 1.5V
0
2
3
4
5
6
Input 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
Te mpe ratu re(℃ ）
Power Analog Microelectronics, Inc
www.poweranalog.com
8
05/2010 Rev1.0