PAM2316 Datasheet, PDF (6/11 Pages) Power Analog Micoelectronics – 2.5MHz,Fast Transient 2A Step-Down Converter

PAM2316
2.5MHz,Fast Transient 2A Step-Down Converter
Typical Performance Characteristics
T_A =25 °C, C_IN =10μF, C_O =10μF,L=1.0µH,unless otherwise noted.
Line Regulation
0.5
0.4
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)
Vo=1.2V
L=1.0uH
Io= 100mA
Io= 1000mA
Io= 2000mA
4.7
5.1
5.5
Quiescent Current vs Input Voltage
61
56
51
46
Vo=1.2V
41
L=1.0uH
36
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
Input Votage(V)
Rdson vs Input Voltage (Vo=1.2V)
1 20
Start-up
Io=2A, Vo=1.2V, Vin=3.3V
1 00
80
60
40
20
P MOS
NMOS
0
2.5
3
3.5
4
4.5
5
5.5
Input V oltage(V)
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
12/2011 Rev1.1