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AL58221 Datasheet(PDF) 21 Page - Diodes Incorporated |
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AL58221 Datasheet(HTML) 21 Page - Diodes Incorporated |
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21 / 26 page  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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