LM2575D2T-005 Datasheet, PDF (6/28 Pages) ON Semiconductor – 1.0 A, Adjustable Output Voltage, Step-Down

LM2575, NCV2575
120
T_J = 25°C
100
80
60
40
20
0
0 5.0 10 15 20 25 30 35 40
V_in, INPUT VOLTAGE (V)
Figure 8. Standby Quiescent Current
120
V_in = 12 V
V_ON/OFF = 5.0 V
100
80
60
40
20
0
-50 -25
0
25
50
75
100 125
T_J, JUNCTION TEMPERATURE (°C)
Figure 9. Standby Quiescent Current
2.0
V_in = 12 V
0 ^{Normalized at 25°C}
-2.0
-4.0
-6.0
-8.0
-10
-50 -25
0
25
50
75 100 125
T_J, JUNCTION TEMPERATURE (°C)
Figure 10. Oscillator Frequency
40
Adjustable
Version Only
20
0
-20
-40
-50 -25
0
25
50
75 100 125
T_J, JUNCTION TEMPERATURE (°C)
Figure 11. Feedback Pin Current
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
5.0 ms/DIV
Figure 12. Switching Waveforms
100
0
-100
1.0
0.5
0
100 ms/DIV
Figure 13. Load Transient Response
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