SC5010 View Datasheet(PDF) - Semtech Corporation

Part Name

Description

MFG CO.

SC5010

High Efficiency 8-Channel LED Driver with I2C Interface and Phase-Shifted PWM Dimming

Semtech Corporation 

Typical Characteristics (continued)

LED String Current Matching vs. Temperature

1.6 %

1.2 %

0.8 %

0.4 %

0

-40 -20

0

20

40

60

Temperature (°C)

80 100

Switching Frequency vs. RFSET

2400

2000

1600

1200

800

400

0

150

300

450

600

RFSET (k 

LED String Current Change vs. Analog

Dimming Control Register (IDAC) Value

100 %

90 %

80 %

70 %

60 %

50 %

40 %

30 %

20 %

10 %

0

4

8 12 16 20 24 28 32

IDAC Register Value (in decimal format)

SC5010

LED String Current vs. R

ISET

0.035

0.030

0.025

0.020

0.015

0.010

0.005

40 50 60 70 80 90 100 110 120 130

RISET (k 

1.2320

VBG vs. Temperature

1.2315

1.2310

1.2305

1.2300

-40 -20

0

20

40

60

Temperature (°C)

80 100

LED String Current Matching vs. Analog

Dimming Control Register (IDAC) Value

20mA/string when IDAC = 31 (in decimal format)

2.4

2.0

1.6

-40 °C

+85 °C

1.2

0.8

0.4

0 °C

25 °C

0

4

8

12 16 20 24 28 32

IDAC Register Value (in decimal format)

8

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