PAM2421 Datasheet, PDF (5/9 Pages) Power Analog Micoelectronics – 3A,4.5A,5.5A PWM Step-Up DC/DC Converter

PAM2421,PAM2422,PAM2423
3A,4.5A,5.5A PWM Step-Up DC/DC Converter
Typical Operating Characteristics
At T_A=25C ,V_IN =V_EN =5V,V_FREQ =0V,unless otherwise specified.
Efficiency vs Output Current (Vo=12V)
100 %
90 %
80 %
70 %
60 %
50 %
40 %
30 %
20 %
10 %
0%
1
10
100
Lo ad Cu rren t (mA)
Vin=3.6V
Vin=4.2V
Vin=5V
10 00
Efficiency vs Output Current (Vo=15V)
100%
90%
80%
70%
60%
50%
40%
30%
20%
Vin=3 .6V
Vin=4 .2V
10%
Vin=5 V
0%
1
10
100
Lo ad Current (m A)
1 000
Efficiency vs Output Current (Vo=5V)
10 0 %
90%
80%
70%
60%
50%
40%
30%
20%
10%
V in=2. 7V
V in=3. 6V
V in=4. 2V
0%
1
10
100
10 00
O ut put Current (mA )
10 0 00
Efficiency vs Input Voltage (Vo=5V)
1 00%
90%
80%
70%
60%
50%
40%
30%
20%
10%
0%
2. 5
Io=1m A
Io=10 mA
Io=10 0m A
Io=50 0m A
Io= 1A
3
3 .5
4
4.5
5
Inp ut Vo lt ag e(V )
Efficiency vs Input Voltage (Vo=12V)
100%
90%
80%
70%
60%
50%
40%
30%
20%
10%
0%
3
3.5
4
4.5
Inpu t Voltage (V)
1mA
10mA
100mA
500mA
1A
5
5. 5
Efficiency vs Input Voltage (Vo=15V)
1 00 %
90 %
80 %
70 %
60 %
50 %
40 %
30 %
20 %
10 %
1mA
10mA
100m A
500m A
0%
3
3 .5
4
4 .5
5
5 .5
Inp ut Vo lta ge (V)
Power Analog Microelectronics, Inc
www.poweranalog.com
5
02/2012 Rev1.1