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AL58221 Folha de dados(PDF) 21 Page - Diodes Incorporated

Nome de Peças AL58221
Descrição Electrónicos  12-CHANNEL RGB LED DRIVER
PDF  26 Pages
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Fabricante Electrônico  DIODES [Diodes Incorporated]
Página de início  http://www.diodes.com
Logo DIODES - Diodes Incorporated

AL58221 Folha de dados(HTML) 21 Page - Diodes Incorporated

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AL58221
Document number: DS46476 Rev. 2 - 2
21 of 26
www.diodes.com
April 2024
© 2024 Copyright Diodes Incorporated. All Rights Reserved.
AL58221
Application Information (continued)
1.
Work as LED driver with system supply voltage = 5V (Set CMD[2] =
“L”)
Use internal grayscale clock & Internal-latch function
DI
DCKI
DO
DCKO
5V
DI
DCKI
GND
5V
TVS2
R1
R2
C2
0.1uF
C1
5V
DO
DCKO
GND
TVS3
DI
DCKI
DO
DCKO
C4
0.1uF
C3
R3
R4
DO1
DCKO1
DO1
DCKO1
TVS1
D1
Reverse bias
protection
(optional)
(for longer
distance
connection)
C5
RL
(reduce power
dissipation
)
RL
RL
RL
RL (reduce power
dissipation
)
RL
RL
RL
Symbol
Value
(just for reference)
Description
R1, R2, R3, R4
33~100Ω
resistor for hot-plug protection
C1, C3
4.7~47uF
capacitor for voltage stability
C2, C4
0.1uF
decoupling capacitor
C5
33~130pF
capacitor for longer distance connection
D1
⎯
diode for reverse bias protection (optional)
RL
⎯
used to reduce the power dissipation of AL58221
* Users may use suitable value for different applications.



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