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Part Name
Description
SC5014A View Datasheet(PDF) - Semtech Corporation
Part Name
Description
MFG CO.
SC5014A
High Efficiency 2-Channel HB LED Driver with I2C Interface and Direct PWM Dimming
Semtech Corporation
'SC5014A' PDF : 27 Pages
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SC5014A
V
IN
(6-27V)
PGND
V
CC
(5V)
GND
FLT
SCL
SDA
PWM
L1
C1
R2
C12
2 .2 µF
R1
C8
D1
L2
Q1
C6
R
CS
R3
10k
Ω
R15
20k
Ω
VCC
UVLO
EN
FLT
SCL
SDA
PWM
SCP
S C 5014A
OVP
IO1
IO1
IO2
IO2
PAD
R5
R4
C3
1 µF
R8 R6
Figure 4— SEPIC Configuration
Vout
R11
R12
V
IN
(12-19V)
PGND
V
CC
(5V)
GND
FLT
SCL
SDA
PWM
C1
1 0 µF /2 5 V
x3PCS
R2
75k
Ω
C12
2 .2 µF
R1
10k
Ω
L1
3 .3 µH
D1
DFLS1100
Q1
AON6482
R
CS
50m
Ω
C6
2 .2 µF /1 0 0 V
x6PCS
R3
10k
Ω
R15
20k
Ω
VCC
UVLO
EN
FLT
SCL
SDA
PWM
SCP
S C 5014A
OVP
IO1
IO1
IO2
IO2
PAD
R5, 40.2k
Ω
R4
C3
10k
Ω
1 µF
R8
R6
25.5k
Ω
250k
Ω
Vout up to 70V
R11
787k
Ω
R12
20 WLEDs per channel
10k
Ω
V
IN
Figure 5— Cascode Configuration drives 40 LEDs@200mA
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