PAM2306D Datasheet, PDF (7/13 Pages) Power Analog Micoelectronics – Dual High-Efficiency PWM Step-Down DC-DC Coverter

PAM2306D
Dual High-Efficiency PWM Step-Down DC-DC Coverter
Typical Performance Characteristics
T_A =25 °C, C_IN =10μF, C_O =10μF, L=4.7μH, unless otherwise noted.
Efficiency vs Output Current (Vo=2.5V)
100
90
80
70
60
50
40
1
Vin=3.6V
Vin=4.2V
Vin=5.0V
10
100
Output Current(mA)
1000
Efficiency vs Output Current (Vo=3.3V )
100
95
90
85
80
75
70
65
60
1
Vin=4.2V
Vin=5.0V
Vin=5.5V
10
100
Output Current(mA)
1000
Quiescent Current vs Input Voltage
43
42
41
40
39
38
37
36
2.5
Vout=1.2V
Vout=1.8V
Vout=3.3V
3
3.5
4
4.5
5
5.5
Input Votage(V)
Efficiency vs Input Voltage (Vo=2.5V)
96
92
88
84
80
76
72
68
64
60
2. 5
Io=10mA
Io=100mA
Io=1000mA
3. 5
4.5
5.5
Input Voltage(V)
Efficiency vs Input Voltage (Vo=3.3V)
100
95
90
85
80
75
70
65
60
4.0
Io=10mA
Io=100mA
Io=1000mA
4.5
5.0
5.5
Input Voltage(V)
Rdson vs Input Voltage
0.36
Vout=1.2V
0.34
Vout=2.5V
Vout=3.3V
0.32
0.3
0.28
0.26
0.24
2.5
3
3.5
4
4.5
5
5.5
Input Votage(V)
Power Analog Microelectronics, Inc
www.poweranalog.com
7
02/2012 Rev1.1