LM2595
TYPICAL PERFORMANCE CHARACTERISTICS (Circuit of Figure 16)
1.0
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
V in = 20 V
I Load = 200 mA
Normalized at T J = 25 ° C
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
? 0.2
? 0.4
I Load = 200 mA
T J = 25 ° C
V out = 5 V
-1.0
? 50
? 25
0
25
50
75
100
125
? 0.6
0
5.0
10
15
20
25
30
35
40
1.5
T J , JUNCTION TEMPERATURE ( ° C)
Figure 3. Normalized Output Voltage
3.0
V in , INPUT VOLTAGE (V)
Figure 4. Line Regulation
V in = 12 V
1.0
I Load = 1 A
2.0
0.5
0
I Load = 200 mA
1.0
? 0.5
? 50
? 25
0
25
60
L = 68 m H
R_ind = 30 m W
75 100
125
0.0
? 50 ? 30 ? 10
10
30
50
70
90
110
130
T J , JUNCTION TEMPERATURE ( ° C)
Figure 5. Dropout Voltage
T J , JUNCTION TEMPERATURE ( ° C)
Figure 6. Current Limit
12
11
10
9
8
7
6
5
V out = 5 V
Measured at GND Pin
T J = 25 ° C
I Load = 1.0 A
I Load = 200 mA
160
140
120
100
80
60
40
20
V ON/OFF = 5.0 V
V in = 40 V
V in = 12 V
4
0
5
10
15
20
25
30
35
40
0
? 50
? 25
0
25
60
75
100
125
V in , INPUT VOLTAGE (V)
Figure 7. Quiescent Current
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5
T J , JUNCTION TEMPERATURE ( ° C)
Figure 8. Standby Quiescent Current
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