PAM2321 Datasheet, PDF (6/11 Pages) Power Analog Micoelectronics – 3MHz,Fast Transient 2A Step-Down Converter

PAM2321
3MHz,Fast Transient 2A Step-Down Converter
Typical Performance Characteristics
T_A=25 °C, C_IN=10µF, C_O=10µF, L=0.47µH,unless otherwise noted.
Line Regulation
0.5
0.4 ^Vo=1.2V
L=0.47uH
0.3
0.2
0.1
0.0
-0.1
-0.2
-0.3
-0.4
-0.5
2.7 3.1 3.5 3.9 4.3
Input Voltage(V)
Io=100mA
Io=1000mA
Io=2000mA
4.7 5.1 5.5
Rdson vs Input Voltage(Vo=1.2V)
160
140
120
100
80
60
40
PMOS
20
NMOS
0
2.5
3
3.5
4
4.5
5
5.5
Input Voltage(V)
Quiescent Current vs Input Voltage
66
61
56
51
46
41
36
2
3
4
5
6
Input Votage(V)
Start-up
Io=2A, Vo=1.2V, Vin=3.3V
Load Transient
Io=0~2A, Vo=1.2V, Vin=3.3V
Load Transient
Io=0~2A, Vo=3.3V, Vin=5V
Power Analog Microelectronics,Inc
www.poweranalog.com
6
01/2013 Rev1.2