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SC5014 Datasheet(PDF) 7 Page - Semtech Corporation

Part # SC5014
Description  High Efficiency 4-Channel HB LED Driver with I2C Interface and Phase-Shifted PWM Dimming
PDF  34 Pages
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Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC5014 Datasheet(HTML) 7 Page - Semtech Corporation

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SC5014
7
Temperature (°C)
LED String Current Matching vs. Temperature
LEDStringCurrentvs.RISET
LED String Current vs. R
ISET
R
FSET(KΩ)
Switching Frequency vs. R
FSET
IDAC Register Value (in decimal format)
AnalogDimming
0
25
50
75
100
125
0
4
8
12
16
20
24
28
32
DEC
IO1
LED String Current vs. Analog Dimming Control
Register (IDAC) Value
Typical Characteristics (continued)
LEDStringCurrentMatchingvs.Temperature
V
CC=5V, 120mA/CH
LEDStringCurrentvs.RISET
R
ISET(KΩ)
LED String Current Accuracy vs Temperature
CurrentAccuracyvs.Temperature
Temperature (°C)
V
CC=5V, 120mA/CH
Time (20ms/div)
VINStartUP
Testing condition: VIN=12V,VCC=5V, LEDs=10S4P@120mA,
RFSET=100K , 25
Iout
Vout
Vin
SW
VIN Start Up
V
IN
10V/div.
V
SW
20V/div.
V
OUT
20V/div.
I
OUT
300mA/div.
10S4P, 120mA/CH



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