NSI45035JZT1G Datasheet, PDF (3/6 Pages) ON Semiconductor – Adjustable Constant Current Regulator & LED Driver

NSI45035JZT1G
TYPICAL PERFORMANCE CURVES
Minimum FR−4 @ 300 mm², 2 oz Copper Trace, Still Air
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
39
38
37
36
35
34
33
32
31
3.0
T_A = 25°C
R_adj = Open
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)
45
40
T_A = −40°C
−0.0302 mA/°C
35
−0.0290 mA/°C
30
25
−0.0278 mA/°C
20
T_A = 25°C
15
T_A = 85°C
10
T_A = 125°C
5
R_adj = Open
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 (I_reg(SS)) vs.
Anode−Cathode Voltage (Vak)
41
40
39
38
37
36
35
34
33
32
Vak @ 7.5 V
31
T_A = 25°C
30
R_adj = Open
29
30 31 32 33 34 35 36 37 38 39 40 41 42 43 44
I_reg(P), PULSE CURRENT (mA)
Figure 4. Steady State Current vs. Pulse
Current Testing
37
70
Vak @ 7.5 V
T_A = 25°C
65
R_adj = Open
60
36
55
50
45
35
40
35
34
30
0
5
10 15
20 25 30
35
1
TIME (s)
Figure 5. Current Regulation vs. Time
Vak @ 7.5 V
T_A = 25°C
10
100
R_adj (W), MAX POWER 50 mW
Figure 6. I_reg(SS) vs. R_adj
1000
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3