NSI45020AT1G_14 datasheet(4/8 Pages) ONSEMI

Part #	NSI45020AT1G

Description	Constant Current Regulator & LED Driver

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Manufacturer	ONSEMI [ON Semiconductor]

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NSI45020AT1G

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4

TYPICAL PERFORMANCE CURVES

Minimum FR−4 @ 300 mm2, 1 oz Copper Trace, Still Air

Figure 2. Steady State Current (Ireg(SS)) vs.

Anode−Cathode Voltage (Vak)

Figure 3. Pulse Current (Ireg(P)) vs.

Anode−Cathode Voltage (Vak)

Figure 4. Steady State Current vs. Pulse

Current Testing

Vak, ANODE−CATHODE VOLTAGE (V)

Ireg(P), PULSE CURRENT (mA)

10

9.0

8.0

7.0

6.0

5.0

4.0

20.0

21.0

21.5

22.5

23.0

24

23

22

20

19

20

21

22.0

25

26

22

Non−Repetitive Pulse Test

3.0

18

Vak @ 7.5 V

20.5

TA = 25°C

Figure 5. Current Regulation vs. Time

TIME (s)

30

25

20

10

5

0

21

22

23

15

35

19

20

Vak @ 7.5 V

TA = 25°C

Figure 6. Power Dissipation vs. Ambient

Temperature @ TJ = 1505C

Vak, ANODE−CATHODE VOLTAGE (V)

9

6

5

4

3

0

5

15

20

25

710

DC Test Steady State, Still Air

8

10

TA = −40°C

TA = 25°C

TA = 85°C

[ −0.052 mA/°C

typ @ Vak = 7.5 V

[ −0.044 mA/°C

typ @ Vak = 7.5 V

2

1

0

TA, AMBIENT TEMPERATURE (°C)

80

60

20

0

−20

−40

200

300

500

40

500 mm2/2 oz

500 mm2/1 oz

300 mm2/1 oz

400

100

100 mm2/1 oz

100 mm2/2 oz

300 mm2/2 oz

600

800

700

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NSI45020AT1G Datasheet(PDF) 4 Page - ON Semiconductor

NSI45020AT1G Datasheet(HTML) 4 Page - ON Semiconductor

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