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NSI45030AT1G_11 Datasheet, PDF (3/7 Pages) ON Semiconductor – Constant Current Regulator & LED Driver | |||
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NSI45030AT1G
TYPICAL PERFORMANCE CURVES
Minimum FRâ4 @ 300 mm2 1 oz Copper Trace, Still Air
60
50
40
30
20
10
0
VR
â10
â20
â10
0
10 20 30 40 50 60
Vak, ANODEâCATHODE VOLTAGE (V)
Figure 1. General Performance Curve for CCR
38
37
36
TA = 25°C
35
34
40
TA = â40°C
35
30
TA = 25°C
25
TA = 85°C
[ â0.073 mA/°C
20
typ @ Vak = 7.5 V
[ â0.059 mA/°C
15
typ @ Vak = 7.5 V
10
5
DC Test Steady State, Still Air
0
0 1 2 3 4 5 6 7 8 9 10
Vak, ANODEâCATHODE VOLTAGE (V)
Figure 2. Steady State Current (Ireg(SS)) vs.
AnodeâCathode Voltage (Vak)
33
Vak @ 7.5 V
32 TA = 25°C
31
30
33
32
31
30
3.0
NonâRepetitive Pulse Test
4.0 5.0 6.0 7.0 8.0 9.0 10
Vak, ANODEâCATHODE VOLTAGE (V)
Figure 3. Pulse Current (Ireg(P)) vs.
AnodeâCathode Voltage (Vak)
29
28
27
32 33 34 35 36 37 38 39 40 41
Ireg(P), PULSE CURRENT (mA)
Figure 4. Steady State Current vs. Pulse
Current Testing
37
36
Vak @ 7.5 V
TA = 25°C
35
34
33
32
31
30
29
0
5
10
15
20
25
30
35
TIME (s)
Figure 5. Current Regulation vs. Time
800
700
500 mm2/2 oz
600
500 mm2/1 oz
500
300 mm2/2 oz
400 300 mm2/1 oz
300
200 100 mm2/1 oz
100 mm2/2 oz
100
â40
â20
0
20
40
60
80
TA, AMBIENT TEMPERATURE (°C)
Figure 6. Power Dissipation vs. Ambient
Temperature @ TJ = 1505C
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