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TL2575_10 Datasheet, PDF (12/29 Pages) Texas Instruments – 1-A SIMPLE STEP-DOWN SWITCHING VOLTAGE REGULATORS | |||
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TL2575, TL2575HV
1-A SIMPLE STEP-DOWN SWITCHING VOLTAGE REGULATORS
SLVS638B â MAY 2006 â REVISED JANUARY 2007
TYPICAL CHARACTERISTICS (continued)
www.ti.com
5
Adjustable version only
4.5
4
3.5
3
2.5
2
1.5
1
0.5
0
-50 -25 0 25 50 75 100 125 150
TJ â Junction Temperature â °C
Figure 11. Minimum Operating Voltage
VOUT = 5 V
100
90 Adjustable version only
80
70
60
50
40
30
20
10
0
-10
-20
-30
-40
-50
-50 -25 0 25 50 75
100 125 150
TJ â Junction Temperature â °C
Figure 12. FEEDBACK Current
{A
0V
{B
0A
{C
0A
D
A. Output pin voltage, 10 V/Div
B. Output pin current, 1 A/Div
C. Inductor current, 0.5 A/Div
D. Ouput ripple voltage, 20 mV/Div
4 µs/Div
Figure 13. Switching Waveforms
12
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