Datasheet

DocID023654 Rev 2 21/27
ST1S41 Typical characteristics
7 Typical characteristics
Figure 9. Efficiency vs. I
OUT
@Vin=5 V Figure 10. Efficiency vs. I
OUT
@Vin=12 V
Figure 11. Start at full load 4 A Figure 12. Efficiency vs. I
OUT
@ different Vo
values
40
50
60
70
80
90
100
0.00 0.50 1.00 1.50 2.00 2.50 3.00 3.50 4.00 4.50
Efficiency [%]
Iout [A]
Vin=5V
Vo=3.3V
Vo=1.8V
Vo=1.2V
AM15066v1
40
50
60
70
80
90
100
0.00 0.50 1.00 1.50 2.00 2.50 3.00 3.50 4.00 4.50
Efficiency [%]
Iout [A]
Vin=12V
Vo=5V
Vo=3.3V
AM15067v1
Vout
IL
4A/div
200mV/div
200us/div
AM15068v1
40
45
50
55
60
65
70
75
80
85
90
0.00 0.50 1.00 1.50 2.00 2.50 3.00 3.50 4.00 4.50
Efficiency [%]
Iout [A]
Vin=12V
Vo=1.8V
Vo=1.2V
AM15069v1