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)

Synchronization of the LED Dimming to An

External HSYNC Input

HSYNC = 48kHz

VHSYNC

5V/div.

V

LX

20V/div.

V

IO1

5V/div.

V

IO2

5V/div.

Time (10μs/div)

VIN Start Up

Output = 8P10S, 25mA/string

V

IN

5V/div.

V

LX

20V/div.

V

OUT

20V/div.

I (total)

O_LED

100mA/div.

Time (20ms/div)

SC5010

Delay Between HSYNC Rising Edge and Turn-

on of LED String 1

V

HSYNC

5V/div.

V

IO1

5V/div.

Time (400ns/div)

LED String Current Accuracy vs. Temperature

20mA/string (nominal)

21.00

20.75

20.50

20.25

20.00

19.75

19.50

-40 -20

0

20

40

60

Temperature (°C)

80 100

11

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