STOD1812 데이터 시트보기 (PDF) - STMicroelectronics
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STOD1812 Datasheet PDF : 19 Pages
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STOD1812
Typical application performance
8
Typical application performance
(VO = 18 V, L = 2.2 µH, CI = CO = 4.7 µF, R1 = 270 kΩ, R2 = 20 kΩ)
Figure 8. Efficiency vs output current
Figure 9. Efficiency vs input voltage
100
VI = VEN = 3.6 V, IO = from 5 mA to 120 mA, T = 25°C
90
80
70
60
50
40
0
20
40
60
80
100
120
IO [mA]
100
VI = VEN = from 2.5 V to 5.5 V, IO = 120 mA, T = 25 °C
90
80
70
60
50
40
2.5
3
3.5
4
4.5
5
5.5
VI [V]
Figure 10. Efficiency vs temperature
Figure 11. Frequency vs temperature
100
VI = VEN = 3.6 V, IO = 120 mA
90
80
70
60
50
40
-75 -50 -25 0 25 50 75 100 125 150 175
T [°C]
2.5
2.3
2.1
1.9
1.7
1.5
1.3
1.1
0.9
0.7
0.5
-75
VIN = VEN = 3.6 V, IO = 80 mA
-50 -25 0 25 50 75
T [°C]
100 125 150 175
Figure 12. Line transient
Figure 13. Load transient response
IO
VO
VI = from 2.5 V to 3 V, IO = 120 mA, VI (tRISE = tFALL) = 50µs,
T = 25 °C
VI = 3.6 V, IO from 5mA to 120mA, tRISE = tFALL = 10 µs,
T = 25 °C
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