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SC5014 датащи(PDF) 31 Page - Semtech Corporation

номер детали SC5014
подробное описание детали  High Efficiency 4-Channel HB LED Driver with I2C Interface and Phase-Shifted PWM Dimming
PDF  34 Pages
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производитель  SEMTECH [Semtech Corporation]
домашняя страница  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC5014 датащи(HTML) 31 Page - Semtech Corporation

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SC5014
3
Bit Field
Definition
Read / Write Description
0x09 [2:0]
STEP_MUL
[2:0]
R/W
Used to speed up fade time, when selected LED PWM dimming frequency is low. Define a 2N
multiplier of the fade amount.
STEP_MUL[2:0] = 000, N=0, multiplier = 
STEP_MUL[2:0] = 00, N=, multiplier = 2 = 2
STEP_MUL[2:0] = 00, N=2, multiplier = 22 = 4
STEP_MUL[2:0] = 0, N=3, multiplier = 23 = 8
STEP_MUL[2:0] = 00, N=4, multiplier = 24 = 6
STEP_MUL[2:0] = 0~, N=5, multiplier = 25 = 32
Fade Rate Register
Bit Field
Definition
Read / Write Description
0x0A [6:0]
FADE_RATE
[6:0]
R / W
Defines how often the duty is changed during a fade.
Fade rate = PWM Output Rate / ( + FADE_RATE[6:0])
Definition of Registers and Bits (continued)



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