ELM604PA 1.4MHz, 800mA dual PWM step-down converter
• Vout=3.3V : Unless otherwise noted
Cin2=22µF, Cout2=10µF, C2=1000pF, L2=4.7µH, R3=150kΩ, R4=33kΩ, Top=25°C
Start Response
EFFICIENCY-Iout
Ven=2V, Vin=5V, No load
4
2
0
100
80
60
40
20
0
Vin=5V
2
1
0
0
2
4
6
8
0.1
1
10
100
1000
Time (ms)
Iout (mA)
Vout-Iout
Vout-Vin
3.35
3.3
3.5
3.0
2.5
2.0
1.5
1.0
0.5
Iout=1mA
100mA
3.25
3.2
Vin=5V
3.15
1
10
100
1000
0
1
2
3
4
5
Iout (mA)
Vin (V)
Load Transient Response
Load Transient Response
Vin=5V, Iout=10mA�600mA
Vin=5V, Iout=100mA�600mA
4
3.5
3
4
3.5
3
2.5
1
0
2.5
1
0
0
0.5
1
1.5
2
2.5
3
3.5
4
0
0.5
1
1.5
2
2.5
3
3.5
4
Time (ms)
Time (ms)
Rev.1.2
7 - 7
ELM-TECH [ ELM Technology Corporation ]
