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Manufacturer / Brand: AD
Details: High Current Quad Output Regulator for TFT LCD Panels IC
Series: LT1943
Quantity Available: Over 18880 pieces

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LT1943EFE#PBF datasheet
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Product Parameters
  • Manufacturer Part Number : LT1943EFE#PBF
  • Manufacturer : AD
  • Description : High Current Quad Output Regulator for TFT LCD Panels IC
  • Series : LT1943
  • Reference Price : USD 3.8
  • Our Price : We have a better price, contact us by email
  • Product Type : Switching Regulators
  • Function : Step-Up (Boost) Regulators
  • Current Suggest : Production
  • Status : Production
  • ROHS Status : ROHS Compliant (Lead Free)
  • Package Type : 28-Lead TSSOP w/ EP
  • Pins : 28
  • MFG Package Case : 05-08-1663 (EB)
  • Part Type : OTH
  • Standard Packing Type : Tube
  • Standard Packing Quantity : 50
  • Working Temperature : -40 to 125C
  • Other Part Number : LT1943EFE#PBF
  • Shipping methods : DHL FEDEX UPS TNT
  • Delivery Time : Ship within 1 day.
  • Manufacturer Production time : 6-8 weeks (Normally have stocks)
  • Weight : 0.001KG

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Features and Benefits of LT1943EFE#PBF
Product Detailed Description for LT1943EFE#PBF

The LT1943 quad output adjustable switching regulator provides power for large TFT LCD panels. The device, housed in a low profile 28 pin thermally enhanced TSSOP package, can generate a 3.3V or 5V logic supply along with the triple output supply required for the TFT LCD panel. Operating from an input range of 4.5V to 22V, a step-down regulator provides a low voltage output VLOGIC with up to 2A current. A high-power step-up converter, a lowerpower step-up converter and an inverting converter provide the three independent output voltages AVDD, VON and VOFF required by the LCD panel. A high-side PNP provides delayed turn-on of the VON signal and can handle up to 30mA. Protection circuitry ensures that VON is disabled if any of the four outputs are more than 10% below the programmed voltage.

All switchers are synchronized to an internal 1.2MHz clock, allowing the use of low profile inductors and ceramic capacitors throughout. A current mode architecture provides excellent transient response. For best flexibility, all outputs are adjustable. Soft-start is included in all four channels. A PGOOD pin can drive an optional PMOS pass device to provide output disconnect for the AVDD output.

Applications

  • Large TFT-LCD Desktop Monitors
  • Flat Panel Televisions
Lifecycle information of LT1943EFE#PBF

At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.

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