NSI45025AT1G_14 Datasheet, PDF (4/8 Pages) ON Semiconductor – Constant Current Regulator & LED Driver

NSI45025AT1G
TYPICAL PERFORMANCE CURVES
Minimum FR−4 @ 300 mm², 1 oz Copper Trace, Still Air
35
30
T_A = −40°C
[ −0.061 mA/°C
25
T_A = 25°C
typ @ Vak = 7.5 V
20
T_A = 85°C
[ −0.055 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, ANODE−CATHODE VOLTAGE (V)
Figure 2. Steady State Current (I_reg(SS)) vs.
Anode−Cathode Voltage (Vak)
28
Vak @ 7.5 V
27 ^TA ^{= 25°C}
31
30
T_A = 25°C
29
28
27
26
25
3.0
30
29
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)
Vak @ 7.5 V
T_A = 25°C
26
28
25
27
24
26
23
25
22
26
27
28
29
30
31
32
33
I_reg(P), PULSE CURRENT (mA)
Figure 4. Steady State Current vs. Pulse
Current Testing
24
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
T_A, AMBIENT TEMPERATURE (°C)
Figure 6. Power Dissipation vs. Ambient
Temperature @ T_J = 1505C
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4