SC5010 Просмотр технического описания (PDF) - Semtech Corporation

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SC5010

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

Semtech Corporation 

SC5010

Electrical Characteristics (continued)

Parameter

Symbol

Conditions

Min Typ Max Units

I2C Control Interface: SDA, SCL Timing Specifications

SCL Clock Frequency

FSCL

400 kHz

SCL Clock Low Period

t

LOW(SCL)

1.3

μs

SCL Clock High Period

t

HIGH(SCL)

0.6

μs

Hold Time Start Condition

t

HD(START)

0.6

μs

SDA Setup Time

t

SU(SDA)

100

ns

SDA Hold Time

t

HD(SDA)

0

0.9

μs

Setup Time Stop Condition

t

SU(STOP)

0.6

μs

Bus Free Time between Stop & Start

t

BF

1.3

μs

Notes:

(1) Ensured by design and characterization, not production tested

(2) LED current matching for 8 channels is defined as the largest of the two numbers, i.e., (MAX-AVG)/AVG and (AVG-MIN)/AVG; where MAX is the

maximum of LED channel current, MIN is the minimum LED channel current and AVG is the average of the 8 LED channel current.

(3) Refer to the detailed application circuit on page 21.

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