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
Brand:Amphenol PCD
Category:Backshells and Cable Clamps
Chipdatas Part No.:CD91-A8504939S11A
Manufacturer Part No.:A8504939S11A
Datecode:09+
Package: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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Datasheet
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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:
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- - 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:
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Additional Information
- Datasheet: Download A8504939S11A
- Chipdatas Part: CD91-A8504939S11A
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/06/29 03:09 +0800
Refund
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- Full Refund if you don't receive your order
- Full or Partial Refund , If the item is not as described
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Payment Method
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The fee is charged according to the rule of PayPal.
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Western Union charge US$0.00 banking fee.
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