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

'SC5010' PDF : 36 Pages View PDF

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Typical Characteristics (continued)
LED Current Fade In/Out (Logarithmic)
PWMI
5V/div.
V
IO1
5V/div.
V
OUT
20V/div.
IO_LED (total)
100mA/div.
Time (40ms/div)
Line Transient Response
100% Dimming, 30mA/String X 8
20V
V
IN
8V
10V/div.
V
LX
50V/div.
I
L
2A/div.
I (total)
O_LED
200mA/div.
Time (2μs/div)
Load Transient Response
PWMI (10kHz) = 2% to 98%, V = 10.6V, 20mA/String X 6
IN
Fading disabled
V_PWMI
5V/div.
V
O
(ac coupled)
100mV/div.
I (total)
O_LED
50mA/div.
Time (100μs/div)
SC5010
LED Current Fade In/Out (Linear)
PWMI
5V/div.
V
IO1
5V/div.
V
OUT
20V/div.
I (total)
O_LED
100mA/div.
Time (40ms/div)
LED Open Circuit Protection
Starting with one LED string open-circuit
FLT
5V/div.
V
EN
5V/div.
V
OUT
20V/div.
I (total)
O_LED
200mA/div.
Time (20ms/div)
Load Transient Response
PWMI (10kHz) = 98% to 2%, V = 10.6V, 20mA/String X 6
IN
Fading disabled
V_PWMI
5V/div.
V
O
(ac coupled)
100mV/div.
I (total)
O_LED
50mA/div.
Time (100μs/div)
9

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