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NSI45015W_14 Datasheet, PDF (4/8 Pages) ON Semiconductor – Constant Current Regulator & LED Driver
NSI45015WT1G
TYPICAL PERFORMANCE CURVES
Minimum FR−4 @ 300 mm2 1 oz Copper Trace, Still Air
18
16
TA = −40°C
[ −0.0381 mA/°C
14
[ −0.0316 mA/°C
12
10
TA = 25°C
8
TA = 85°C
6
4
2
DC Test Steady State, Still Air
0
0 1 2 3 4 5 6 7 8 9 10
Vak, ANODE−CATHODE VOLTAGE (V)
Figure 2. Steady State Current (Ireg(SS)) vs.
Anode−Cathode Voltage (Vak)
18
Vak @ 7.5 V
17 TA = 25°C
16
17.5
17
16.5
16
15.5
15
14.5
14
3
16.5
16
TA = 25°C
Non−Repetitive Pulse Test
4
5
6
7
8
9
10
Vak, ANODE−CATHODE VOLTAGE (V)
Figure 3. Pulse Current (Ireg(P)) vs.
Anode−Cathode Voltage (Vak)
Vak @ 7.5 V
TA = 25°C
15
15.5
14
15
13
12
12 13 14 15 16 17 18 19 20
Ireg(P), PULSE CURRENT (mA)
Figure 4. Steady State Current vs. Pulse
Current Testing
14.5
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
−40
−20
0
20
40
60
80
TA, AMBIENT TEMPERATURE (°C)
Figure 6. Power Dissipation vs. Ambient
Temperature @ TJ = 1505C
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4