English
Language : 

NSI45025ZT1G_11 Datasheet, PDF (3/7 Pages) ON Semiconductor – Constant Current Regulator & LED Driver
NSI45025ZT1G
TYPICAL PERFORMANCE CURVES
Minimum FR−4 @ 300 mm2, 2 oz Copper Trace, Still Air
60
50
40
30
20
10
VR
0
−10
−20
−10
0
10
20
30
40
50
60
Vak, ANODE−CATHODE VOLTAGE (V)
Figure 1. General Performance Curve for CCR
28
27
26
TA = 25°C
25
24
23
22
3.0
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 (Ireg(P)) vs.
Anode−Cathode Voltage (Vak)
30
TA = −40°C
[ −0.070 mA/°C
25
TA = 25°C
typ @ Vak = 7.5 V
[ −0.058 mA/°C
20
TA = 85°C
typ @ Vak = 7.5 V
[ −0.051 mA/°C
15
TA = 125°C
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 (Ireg(SS)) vs.
Anode−Cathode Voltage (Vak)
29
Vak @ 7.5 V
28 TA = 25°C
27
26
25
24
23
22
21
22 23 24 25 26 27 28 29 30
Ireg(P), PULSE CURRENT (mA)
Figure 4. Steady State Current vs. Pulse
Current Testing
27
Vak @ 7.5 V
TA = 25°C
26
25
24
0
5
10
15
20
25
30
35
TIME (s)
Figure 5. Current Regulation vs. Time
2200
2000
1800
500 mm2/2 oz
300 mm2/2 oz
1600
1400
100 mm2/2 oz
1200
1000 500 mm2/1 oz
800
300 mm2/1 oz
600
100 mm2/1 oz
400
−40 −20
0
20
40
60
80
TA, AMBIENT TEMPERATURE (°C)
Figure 6. Power Dissipation vs. Ambient
Temperature @ TJ = 1505C
http://onsemi.com
3