SC5010HEVB データシートの表示（PDF） - Semtech Corporation

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SC5010HEVB

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

Semtech Corporation 

SC5010H

Typical Characteristics (continued)

Synchronization of the LED Dimming to An

External HSYNC Input

HSYNC = 48kHz

VHSYNC

5V/div.

VLX

20V/div.

VIO1

5V/div.

VIO2

5V/div.

Time (10µs/div)

Analog Dimming Transient via I2C

10mA/string to 50mA/string, 6P10S

VSDA

5V/div.

IL

2A/div.

VOUT (ac coupled)

2V/div.

IO_LED (total)

200mA/div.

Time (40µs/div)

VIN Start Up

Output = 6P10S, 50mA/string

VIN

5V/div.

VLX

20V/div.

VOUT

20V/div.

IO_LED (total)

200mA/div.

Time (20ms/div)

Delay Between HSYNC Rising Edge and Turn-

on of LED String 1

VHSYNC

5V/div.

VIO1

5V/div.

Time (400ns/div)

Analog Dimming Transient via I2C

50mA/string to 10mA/string, 6P10S

VSDA

5V/div.

IL

2A/div.

VOUT (ac coupled)

2V/div.

IO_LED (total)

200mA/div.

Time (100µs/div)

VBG vs. Temperature

1.225

1.224

1.223

1.222

1.221

1.220

-40 -20

0

20

40

60

Temperature (°C)

80 100

11

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