NSI45060DDT4G Datasheet, PDF (3/6 Pages) ON Semiconductor – Adjustable Constant Current Regulator & LED Driver

NSI45060DDT4G
TYPICAL PERFORMANCE CURVES
Minimum FR−4 @ 300 mm², 2 oz Copper Trace, Still Air
80
70
60
50
40
30
20
10
0
−10
−20
−10 0
T_A = 25°C, R_adj = Open
10 20 30 40 50 60 70
Vak, ANODE−CATHODE VOLTAGE (V)
Figure 1. General Performance Curve for CCR
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
3.0
T_A = 25°C
Non−Repetitive Pulse Test
4.0 5.0 6.0 7.0 8.0 9.0 10
Vak, ANODE−CATHODE VOLTAGE (V)
Figure 3. Pulse Current (I_reg(P)) vs.
Anode−Cathode Voltage (Vak)
80
70
T_A = −40°C
[ −0.179 mA/°C
60
T_A = 25°C
typ @ Vak = 7.5 V
50
T_A = 85°C
40
T_A = 125°C
[ −0.106 mA/°C
typ @ Vak = 7.5 V
30
[ −0.113 mA/°C
20
typ @ Vak = 7.5 V
10
0
DC Test Steady State, Still Air, R_adj = Open
0 1 2 3 4 5 6 7 8 9 10
Vak, ANODE−CATHODE VOLTAGE (V)
Figure 2. Steady State Current (I_reg(SS)) vs.
Anode−Cathode Voltage (Vak)
70
68 ^{Vak @ 7.5 V}
T_A = 25°C
66
64
62
60
58
56
54
52
50
54 56 58 60 62 64 66 68 70 72 74 76 78
I_reg(P), PULSE CURRENT (mA)
Figure 4. Steady State Current vs. Pulse
Current Testing
66
100
Vak @ 7.5 V
Vak @ 7.5 V
65
T_A = 25°C
T_A = 25°C
R_adj = Open
90
64
63
80
62
70
61
60
60
59
50
0 10 20 30 40 50 60 70 80 90
1
TIME (s)
Figure 5. Current Regulation vs. Time
10
100
R_adj (W)
Figure 6. I_reg(SS) vs. R_adj
1000
http://onsemi.com
3