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NSI45090JD Datasheet, PDF (3/8 Pages) ON Semiconductor – Adjustable Constant Current Regulator & LED Driver | |||
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NSI45090JD, NSV45090JD
TYPICAL PERFORMANCE CURVES
Minimum FRâ4 @ 300 mm2, 2 oz Copper Trace, Still Air
110
100
90
80
70
60
50
40
30
20
10
0
â10
â20
â10
0
TA = 25°C, Radj = Open
10
20
30
40
50
60
Vak, ANODEâCATHODE VOLTAGE (V)
Figure 1. General Performance Curve for CCR
110
105
TA = 25°C
100
Radj = Open
95
90
85
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)
110
100
90
80
70
60
50
40
30
20
10
0
0
TA = â40°C
TA = 25°C
TA = 85°C
TA = 125°C
[ â0.223 mA/°C
typ @ Vak = 7.5 V
[ â0.144 mA/°C
typ @ Vak = 7.5 V
[ â0.155 mA/°C
typ @ Vak = 7.5 V
DC Test Steady State, Still Air, Radj = Open
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)
105
Vak @ 7.5 V
100 TA = 25°C
Radj = Open
95
90
85
80
75
85 90 95 100 105 110 115 120
Ireg(P), PULSE CURRENT (mA)
Figure 4. Steady State Current vs. Pulse
Current Testing
104
103
102
101
100
99
98
97
96
95
94
93
92
91
90
89
0
Vak @ 7.5 V
TA = 25°C
Radj = Open
10 20 30 40 50 60 70 80 90
TIME (s)
Figure 5. Current Regulation vs. Time
160
150
140
130
120
110
100
90
80
1
Vak @ 7.5 V
TA = 25°C
10
100
Radj (W), Max Power 125 mW
Figure 6. Ireg(SS) vs. Radj
1000
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