ELM613DA Datasheet, PDF (11/11 Pages) ELM Electronics – 2A, 20V, 550kHz, synchronous step-down DC/DC converter

ELM613DA 2A, 20V, 550kHz, synchronous step-down DC/DC converter
• Vout=5.0V : Cin=10µF, Cout=22µF, L=10µH, R1=30K R2=6.8K R3=15K
• V=5.0V ^{C1=3.3nF, C2=0.1µF, C3=10nF, Top=25°C}
Vout-Vin
6.0
5.5
5.0
4.5
4.0
Iout=10mA
3.5
3.0
Iout=100mA
2.5
Iout=1000mA
2.0
1.5
1.0
0.5
0
5
10
15
20
Vin (V)
EFFICIENCY-Iout
100
80
60
Vin=12V
40
20
0
0.1
1
10 100 1000 10000
Iout (mA)
5.5
5.4
5.3
5.2
5.1
5.0
4.9
4.8
4.7
4.6
4.5
0.1
Vout-Iout
Vin=12V
1 10 100 1000 10000
Iout (mA)
Vfb-Top
0.95
Vin=12V, Iout=100mA
0.94
0.93
0.92
0.91
0.90
-40 -20 0 20 40 60 80
Top (°C)
Start Response
Vin=12V, No load
6
4
2
0
2
1
0
Time (4ms/div)
Load Transient Response
6.0
Vin=12V, Iout=1mA~1A
5.5
5.0
4.5
1.0
0.5
0
Time (100µs/div)
11 - 11
Rev.1.3