LM2596 데이터 시트보기 (PDF) - First Components International
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LM2596
First Components International
LM2596 Datasheet PDF : 14 Pages
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LM2596 Simple switcher Power Converter 150kHz
3A Step-Down Voltage Regulator
TYPICAL PERFORMANCE CHARACTERISTICS (Circuit of Figure 1) (Continued)
Operating
Quiescent Current
24
20
ISWITCH=0
16
12
8
4
0
-50 -25 0 25 50 75
Shutdown
Quiescent Current
120
100
TJ=250C
VO_N/OFF=5V
80
60
40
20
0
0
10
20 30 40
SUPPLY VOLTAGE (V)
Minimum Operating
Supply Voltage
5
4
3
2
1
0
-50 -25 0 25 50 75
ON/OFF Threshold
Voltage
2.5
2.0
OFF
1.5
1.0
ON
0.5
-50 -25 0 25 50 75
ON/OFF Pin
Current (Sinking)
8
7
6
5
4
3
2
1
0
0 __5 10 15 20 25
ON/OF PIN VOLTAGE (V)
Switching Frequency
160
155
150
145
140
135
130
-50 -25 0 25 50 75
Feedback Pin
Bias Current
10
7.5
5.0
2.5 ADJUSTABLE VERSION ONLY
0
-2.5
-5.0
-50 -25 0 25 50 75
5
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