MC33470DW 查看數據表（PDF） - ON Semiconductor
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MC33470DW
ON Semiconductor
MC33470DW Datasheet PDF : 15 Pages
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MC33470
1000
0
Gain
30
100
VCCP = 12 V
VCC = 5.0 V
VO = 2.8 V
R2 = 18.2 k
C16 = 0
10
TA = 25°C
Figure 14
60
90
Phase
120
150
1.0
1.0
10
100
FREQUENCY (kHz)
180
1000
Figure 8. Drive Output Source/Sink Saturation
Voltage versus Load Current
0.8
IO = 3.3 A
0.6
VO = 2.8 V
0.4
0.2
0
−0.2
−75 −50 −25 0 25 50 75 100 125
TA, AMBIENT TEMPERATURE (°C)
Figure 9. Feedback Threshold Voltage
versus Temperature
4.0
2.0
IO = 3.3 A
VO = 2.8 V
0
−2.0
−4.0
−6.0
−75 −50
−25 0 25 50 75
TA, AMBIENT TEMPERATURE (°C)
100 125
Figure 10. Imax Current versus Temperature
5.0
4.0
IO = 3.3 A
2.0 VO = 2.8 V
0
−2.0
−4.0
−5.0
−75 −50 −25 0 25 50 75 100 125
TA, AMBIENT TEMPERATURE (°C)
Figure 11. Vsense Current Source
versus Temperature
1.0
0.5
0
−0.5
−1.0
−1.5
−2.0
−2.5
−3.0
VCC Increasing
−3.5
IO = 3.3 A
VO = 2.8 V
−4.0
−75 −50 −25 0 25 50 75 100 125
TA, AMBIENT TEMPERATURE (°C)
Figure 12. VCC Undervoltage Lockout Trip Point
versus Temperature
2.5
2.0
1.5 IO = 3.3 A
1.0 VO = 2.8 V
0.5
0
−0.5
−1.0
−1.5
−2.0
−2.5
−75 −50 −25 0 25 50 75 100 125
TA, AMBIENT TEMPERATURE (°C)
Figure 13. Oscillator Frequency
versus Temperature
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