NCV3065MNTXG datasheet(5/18 Pages) ONSEMI

Part #	NCV3065MNTXG

Description	Up to 1.5 A Constant Current Switching Regulator for LEDs

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Manufacturer	ONSEMI [ON Semiconductor]

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NCP3065, NCV3065

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5

Figure 5. Oscillator Frequency vs. Oscillator

Timing Capacitor

Figure 6. Oscillator Frequency vs. Supply

Voltage

Ct, CAPACITANCE (nF)

VCC, SUPPLY VOLTAGE (V)

40

29

25

16

12

7

3

110

120

130

150

160

170

180

190

Figure 7. Emitter Follower Configuration Output

Darlington Switch Voltage Drop vs. Temperature

Figure 8. Common Emitter Configuration Output

Darlington Switch Voltage Drop vs. Temperature

TJ, JUNCTION TEMPERATURE (°C)

150

100

50

0

-50

1.0

1.2

1.4

1.6

1.8

2.0

2.2

2.4

150

100

50

0

-50

1.0

1.05

1.10

1.15

1.20

1.25

Figure 9. Emitter Follower Configuration Output

Darlington Switch Voltage Drop vs. Emitter Current

Figure 10. Common Emitter Configuration

Output Darlington Switch Voltage Drop vs.

Collector Current

IE, EMITTER CURRENT (A)

IC, COLLECTOR CURRENT (A)

1.5

1.0

0.5

0

1.0

1.1

1.2

1.3

1.5

1.7

1.8

2.0

1.5

1.0

0.5

0

0.5

0.6

0.7

0.8

0.9

1.1

1.4

1.5

21

34

38

140

CT = 2.2 nF

TJ = 25°C

VCC = 5.0 V

IE = 1 A

VCC = 5.0 V

IC = 1 A

1.4

1.6

1.9

1.0

1.3

1.2

VCC = 5.0 V

TJ = 25°C

VCC = 5.0 V

TJ = 25°C

0

50

100

150

200

250

300

350

400

450

0 1 2 3 4 5 6 7 8 9 10 11 12 1314 1516 1718 1920

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