AL58221中文資料DIODES數(shù)據(jù)手冊PDF規(guī)格書

Features

? Input Voltage VDD: 3V to 5.5V

? Constant Current Output Range

? 3~60mA@5V

? 3~35mA@3.3V

? 12 Constant-Current Sink (R/G/B x 4) Output Channels

? RGB Output Current setting by 3 external resistors

? 24V Rated output channels for long LED strings

? ±1% (typ.) LED Current accuracy between channels

? ±2% (typ.) LED Current accuracy between devices

? 16 / 14 / 12 / 8-bit grayscale selection

? Grayscale clock source selection: internal or external

? PWM or APDM control selection

? Programmable Output Current Trise / Tfall time

? Output Current Bilateral Processing for EMI reduction

? Diagnosis and Protections

? Built-in internal grayscale clock supports refresh rate

>1000Hz@16-bit grayscale, >256KHz@8-bit grayscale

? Internal Grayscale clock frequency selection for High-Power

LED driving application (min. 33.6KHz)

? 2-Wire Serial Interface (DI, DCKI)

? 20Mbps (max.) ~ 140 Kbps(min.) data rate for EMI

reduction data transfer

? Cascaded capability (Max 1,030 devices)

? Clock duty recovery for cascading applications

? Schmitt trigger input

? Totally Lead-Free & Fully RoHS Compliant (Notes 1& 2)

? Halogen and Antimony Free. “Green” Device (Note 3)

? For automotive applications requiring specific change

control (i.e. parts qualified to AEC-Q100/101/104/200, PPAP

capable, and manufactured in IATF 16949 certified facilities),

please contact us or your local Diodes representative.

https://www.diodes.com/quality/product-definitions/

Applications

? Indoor and outdoor LED video displays

? Architectural and decorative lighting

? Digital signage and billboard applications

? LCD display backlighting

? Transportation signs