A8504939S11A - Brand New Amphenol PCD Backshells and Cable Clamps
In Stock:136 ,Ready for Immediate Shipping
New
RoSH Lead free
In Stock:
136,
Ready for Immediate Shipping
Marke:Amphenol PCD
Kategorie:Backshells and Cable Clamps
Chipdatas Teilenummer:CD91-A8504939S11A
Hersteller-Teile-Nr.:A8504939S11A
Datumscode:09+
Paket:unknown/call
Request Quote:
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Description
The A8504939S11A is a multi-output WLED driver designed for medium display backlighting. It integrates a boost converter and eight current-sinks, providing a wide range of LED backlight applications. The boost converter can output voltage up to 47 V, making it suitable for thin notebook displays, LCD TVs, RGB backlights, GPS systems, and portable DVD players.
Specifications and features
- Active current sharing between 6 LED strings for ±1.3% typical current matching
- ±1.2% typical current accuracy
- Can drive up to 11 series × 8 parallel = 88 LEDs (Vf = 3.5 V, If = 40 mA)
- External PWM control for LED dimming
- External resistor for LED current setting
- Boost converter with integrated 50 V, 2 A DMOS
- LED sinks rated for 45 mA
- Switching frequency range of 200 kHz to 2 MHz
- Open LED disconnect
- Boost current limit, thermal shutdown, and soft start
- No audible ceramic capacitor noise during PWM dimming
- Adjustable overvoltage protection (OVP)
- No pull-up resistors required for LED modules that use ESD capacitors
Application Scenarios
The A8504939S11A is suitable for various LED backlight applications, including:
- Thin notebook displays
- LCD TVs
- RGB backlight
- GPS systems
- Portable DVD players
Comparison
Advantages- Active current sharing ensures ±1.3% typical current matching between 6 LED strings
- High current accuracy with ±1.2% typical current accuracy
- Ability to drive up to 88 LEDs with a voltage of 3.5 V and current of 40 mA
- External PWM control and resistor for LED dimming and current setting
- Boost converter with integrated 50 V, 2 A DMOS for efficient operation
- LED sinks rated for 45 mA, providing reliable performance
- Wide switching frequency range of 200 kHz to 2 MHz for versatility
- No audible ceramic capacitor noise during PWM dimming, ensuring a quiet operation
- Adjustable overvoltage protection (OVP) for added safety
- No pull-up resistors required for LED modules that use ESD capacitors, simplifying the design
DisadvantagesNo known disadvantages for the A8504939S11A model.
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Datenblatt
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Shopping guide
Delivery period:
- - Will ship out in 2-3 days
- - DHL Express: 3-7 business days
- - DHL eCommerce: 12-22 business days
- - FedEx International Priority: 3-7 business days
- - EMS: 10-15 business days
Shipping fee:
- - Automatic Email notification (above 5 times)
- - View in your order page
Shipping option:
DHL, FedEx, EMS, SF Express, and Registered Air MailShipping tracking:
- - Automatic Email notification (above 5 times)
- - View in your order page
How to Buy:
- - In-stock, Add to cart > Check out > Submit order > Complete payment >Delivery.
- - Inquiry, Add to inquiry sheet/Submit bom/inquire file/Send email us > Quote > Place order > Complete payment >Delivery.
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Payment:
- - Paypal,Credit Card includes Visa, Master, American Express.
- - Wire transfer, include Local bank transfer.
- - Western Union.
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Weitere Informationen
- Datasheet: Download A8504939S11A
- Chipdaten Teil: CD91-A8504939S11A
- Lagerhaus: China, Hongkong
- Versenden: Innerhalb von 24 Stunden
- Kostenloser Versand: Yes
- Bevorzugter Versand: Yes, 3-5 days
- Letzte Aktualisierung: 2024/10/01 17:01 +0800
Refund
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Versandtipps
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Kostenloser Versand ohne Mindestbestellwert.