A8504939S21A - Brand New Amphenol PCD Backshells and Cable Clamps
In Stock:168 ,Ready for Immediate Shipping
New
RoSH Lead free
In Stock:
168,
Ready for Immediate Shipping
Brand:Amphenol PCD
Category:Backshells and Cable Clamps
Chipdatas Part No.:CD87-A8504939S21A
Manufacturer Part No.:A8504939S21A
Datecode:09+
Package:unknown/call
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Description
The A8504 is a multi-output WLED driver for medium display backlighting. It integrates a boost converter and eight current-sinks to provide a WLED/RGB backlight driver. The boost converter can provide an output voltage up to 47V, making it suitable for a wide range of LED backlight applications.
Specifications and features
- Active current sharing between 6 LED strings for ±1.3% typical current matching
- ±1.2% typical current accuracy
- Drive up to 11 series x 8 parallel = 88 LEDs (Vf = 3.5V, If = 40mA)
- External PWM control for LED dimming
- An external resistor for LED current setting
- Boost converter with integrated 50V, 2A DMOS
- LED sinks rated for 45mA
- 200kHz to 2MHz switching frequency
- 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
- Thin notebook displays
- LCD TV
- RGB backlight
- GPS systems
- Portable DVD players
Comparison
Advantages- Active current sharing for accurate LED current matching
- External PWM control for adjustable LED dimming
- Boost converter with high voltage capability
- Open LED disconnect for improved safety
- Adjustable overvoltage protection for added security
Disadvantages- Requires an external resistor for LED current setting
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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:
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Shipping option:
DHL, FedEx, EMS, SF Express, and Registered Air MailShipping tracking:
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Additional Information
- Datasheet: Download A8504939S21A
- Chipdatas Part: CD87-A8504939S21A
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/10/06 10:32 +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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