LM2575D2T 查看數據表（PDF） - Motorola => Freescale
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LM2575D2T Datasheet PDF : 28 Pages
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LM2575
Figure 8. Standby Quiescent Current
120 TJ = 25°C
100
80
60
40
20
0
0 5.0 10 15 20 25 30 35 40
Vin, INPUT VOLTAGE (V)
Figure 9. Standby Quiescent Current
120
Vin = 12 V
100 VON/OFF = 5.0 V
80
60
40
20
0
–50 –25
0
25
50
75 100 125
TJ, JUNCTION TEMPERATURE (°C)
Figure 10. Oscillator Frequency
2.0
Vin = 12 V
0 Normalized at 25°C
–2.0
–4.0
–6.0
–8.0
–10
–50
–25
0
25
50
75 100 125
TJ, JUNCTION TEMPERATURE (°C)
Figure 11. Feedback Pin Current
40
Adjustable
Version Only
20
0
–20
–40
–50 –25
0
25
50
75 100 125
TJ, JUNCTION TEMPERATURE (°C)
OUTPUT 10 V
VOLTAGE
(PIN 2)
0
OUTPUT 1.0 A
CURRENT
(PIN 2)
0
INDUCTOR 1.0 A
CURRENT 0.5 A
OUTPUT 20 mV
RIPPLE /DIV
VOLTAGE
Figure 12. Switching Waveforms
5.0 µs/DIV
Figure 13. Load Transient Response
100
0
–100
1.0
0.5
0
100 µs/DIV
6
MOTOROLA ANALOG IC DEVICE DATA
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