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MAX8790A Scheda tecnica (PDF) - Maxim Integrated Products

MAX8790A Datasheet PDF - Maxim Integrated Products
Il numero della parte MAX8790A
Scarica  MAX8790A Scarica

Grandezza file   430.71 Kbytes
Page   23 Pages
Produttore elettronici  MAXIM [Maxim Integrated Products]
Homepage  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products
Spiegazioni elettronici Six-String White LED Driver with Active Current Balancing for LCD Panel Applications

MAX8790A Datasheet (PDF)

Go To PDF Page Scarica Scheda tecnica
MAX8790A Datasheet PDF - Maxim Integrated Products

Il numero della parte MAX8790A
Scarica  MAX8790A Click to download

Grandezza file   430.71 Kbytes
Page   23 Pages
Produttore elettronici  MAXIM [Maxim Integrated Products]
Homepage  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products
Spiegazioni elettronici Six-String White LED Driver with Active Current Balancing for LCD Panel Applications

MAX8790A Scheda tecnica (HTML) - Maxim Integrated Products

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MAX8790A Dettagli del prodotto

General Description
The MAX8790A is a high-efficiency driver for white light emitting diodes (LEDs). It is designed for large liquid crystal displays (LCDs) that employ an array of LEDs as the light source. A current-mode step-up controller drives up to six parallel strings of multiple series-connected LEDs. Each string is terminated with ballast that achieves ±1.5% current regulation accuracy, ensuring even brightness for all LEDs. The MAX8790A has a wide input-voltage range from 4.5V to 26V, and provides a fixed 20mA or adjustable 15mA to 27mA full-scale LED current.

Features
● Drives Six Parallel Strings with Multiple SeriesConnected LEDs per String
● ±1.5% Current Regulation Accuracy Between Strings
● Low 450mV Feedback Voltage at Full Current Improves Efficiency
● Step-Up Controller Regulates the Output Just Above the Highest LED String Voltage
● Full-Scale LED Current Adjustable from 15mA to 27mA, or Preset 20mA
● Wide 100:1 Dimming Range
● Programmable Dimming Control: Direct DPWM or Analog Dimming
● Built-In PLL for Synchronized Dimming Control
● Open and Short LED Protections
● Output Overvoltage Protection
● Wide Input Voltage Range from 4.5V to 26V
● External MOSFET Allows a Large Number of LEDs per String
● 500kHz/750kHz/1MHz Switching Frequency
● Small, 20-Pin, 4mm x 4mm Thin QFN Package

Applications
● Notebook, Subnotebook, and Tablet Computer Displays
● Handy Terminals




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A proposito di Maxim Integrated Products


Maxim Integrated Products è un'azienda quotata in borsa che progetta, sviluppa e vende una vasta gamma di circuiti integrati analogici e a segnale misto ad alte prestazioni (ICS).
La compagnia è stata fondata nel 1983 ed è con sede a San Jose, in California.
I prodotti Maxim Integrated servono i clienti in una varietà di mercati, tra cui comunicazioni, elaborazione, consumatore, industriale, medico e automobilistico.
La società offre un portafoglio completo di prodotti, tra cui convertitori di dati, amplificatori e comparatori, ICS di gestione dell'alimentazione, microcontrollori, dispositivi di sicurezza e protezione e sensori, tra gli altri.
I prodotti Maxim Integrated sono dedicati all'innovazione e alla soddisfazione dei clienti e si impegna a fornire soluzioni affidabili e di alta qualità ai propri clienti.
Con un focus sull'efficienza energetica e sulla sostenibilità, i prodotti massimi integrati sono in prima linea nel settore dei semiconduttori, guidando i progressi tecnologici nei settori degli IC analogici e del segnale misto.

*Queste informazioni sono solo a scopo informativo generale, non saremo responsabili per eventuali perdite o danni causati dalle informazioni di cui sopra.




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