ST1S12XX 데이터 시트보기 (PDF) - STMicroelectronics
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ST1S12XX Datasheet PDF : 20 Pages
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Typical performance characteristics
Figure 10. Efficiency vs. temperature
ST1S12XX, ST1S12XX12, ST1S12XX18
Figure 11. Supply current vs. temperature
100
90
80
70
60
50
40
30
20
10
0
-75
VIN=VEN=3V, VOUT=1.2V
-50 -25 0 25 50 75
T [°C]
IOUT=100mA
IOUT=700mA
100 125 150 175
8
7
VIN=VEN=3V, VOUT=1.2V, No Load
6
5
4
3
2
1
-75 -50 -25 0 25 50 75 100 125 150 175
T [°C]
Figure 12. Quiescent current vs. temperature Figure 13. Enable voltage vs. temperature
510
490
470
450
430
410
390
370
350
-75
VIN=VEN=3.6V, VFB=0.65V, CIN=COUT=10µF, No Switching
-50 -25 0 25 50 75 100 125 150 175
T [°C]
1.8
1.6
1.4
1.2
1
0.8
0.6
0.4
0.2
VIN=2.5V, IOUT=10mA, CIN=COUT=10µF, VOUT=1.8V
0
-75 -50 -25 0 25 50 75 100 125
T [°C]
ON
OFF
150 175
Figure 14. Enable voltage vs. temperature
Figure 15. Reference line regulation vs.
temperature
1.8
1.6
1.4
1.2
1
0.8
0.6
0.4
0.2
0
-75
ON
OFF
VIN=5.5V, IOUT=10mA, CIN= COUT=10µF, VOUT=1.8V
-50 -25 0 25 50 75 100 125 150 175
T [°C]
0.6
0.4
0.2
-0
-0.2
-0.4
-0.6
-75
VIN=VEN= 2.5V to 5.5V, CIN=COUT=10µF, IOUT=10mA, VOUT=1.8V
-50 -25 0 25 50 75 100 125 150 175
T [°C]
12/20
Doc ID 14314 Rev 5
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