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DESCRIPTION
Microsemi’s LX1692F is a cost reduced, third generation CCFL (Cold Cathode Fluorescent Lamp) controller. The integrated controller is optimized to drive CCFL’s using resonant full bridge inverter topology.
Resonant full bridge topology provides near sinusoidal waveforms over a wide supply voltage range in order to maximize the life of CCFL lamps, control EMI emissions, and maximize efficiency.
The LX1692F includes safety features that limit the transformer secondary voltage and protect against fault conditions which include open lamp, and broken lamp faults.
The LX1692F regulates the CCFL brightness in three ways: analog dimming, digital dimming, or combined analog and digital dimming methods simultaneously to achieve the widest dimming range (> 60 to 1).
The LX1692F can accept a brightness control signal that is either an analog voltage or a low frequency PWM.
The LX1692F also features integrated gate drivers for the four external power MOSFETs.
An integrated 4V LDO powering all internal control circuitry greatly simplifies supply voltage requirements.
The LX1692F is available in either a 20-Pin TSSOP or SOIC package.KEY FEATURES
▪ Low Stress to Transformers
▪ Wide Dimming Range
Analog Dimming: > 3 to 1
Digital Dimming : > 20 to 1
Combined: > 60 to 1
▪ Programmable Burst Dimming Frequency
▪ Programmable Time-Out Protection
▪ Fixed Operating Frequency
▪ Open-Lamp Voltage Protection
▪ Soft Rise/Fall Burst Dimming Control
▪ 3% Tolerance Brightness Reference VoltageBENEFITS
▪ Even Display Light Distribution
▪ Longer Lamp Life with Optimized
Lamp Current Amplitude
▪ Reduced Operating Voltage
Lowers Corona Discharge and
Prolongs Inverter Life
▪ High “Nits / Watt” Efficiency
Makes Less Heat and Brighter DisplaysAPPLICATIONS
▪ LCD TV
▪ LCD Monitor -
Similar parts: 430483 , Click to view
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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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How to Buy:
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Popular parts of the same kind
- Datasheet: Download LX1692FIDW
- Chipdatas Part: CD86-LX1692FIDW
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/07/01 01:35 +0800
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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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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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We recommend to use bank transfer for large orders to save on handling fees.
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DHL(www.dhl.com)
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Free shipping without minimum order.
