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Manufacturer / Brand: AD
Details: 600mA Synchronous Step Down Buck Regulator with PLL, Soft-Start and Spread Spectrum
Series: LTC3543
Quantity Available: Over 19690 pieces

Datasheet for LTC3543:

LTC3543 datasheet
Price for LTC3543
Product Parameters
  • Manufacturer Part Number : LTC3543
  • Manufacturer : AD
  • Description : 600mA Synchronous Step Down Buck Regulator with PLL, Soft-Start and Spread Spectrum
  • Series : LTC3543
  • Reference Price : USD 1.6
  • Our Price : We have a better price, contact us by email
  • Product Type : Switching Regulators
  • Function : Step-Down (Buck) Regulators
  • Current Suggest : Production
  • Status : Production
  • RoHS Status: -
  • Voltage: -
  • Feature: -
  • Package Case: -
  • Temperature Range: -
  • Packing: Reel/Tray/Tube
  • Standard Packing Quantity: -
  • Country of Origin: -
  • Other Part Number : LTC3543
  • 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 LTC3543
Product Detailed Description for LTC3543

The LTC3543 is a high efficiency monolithic synchronous current mode buck regulator.

The switching frequency is internally set at 2.25MHz, allowing the use of small surface mount inductors and capacitors. In PLL mode, the LTC3543 can acquire frequencies between 1MHz and 3MHz. Also, the LTC3543 has spread spectrum capability providing a lower noise regulated output, as well as low noise at the input.

In Burst Mode® operation, the supply current is only 45µA, dropping to <1µA in shutdown. The 2.5V to 5.5V input voltage range makes the LTC3543 ideally suited for single Li-Ion battery-powered applications. The 100% duty cycle provides a low dropout operation, extending the battery life in portable systems. Burst Mode operation increases efficiency at light loads, further extending battery life. The internal synchronous switch increases efficiency and eliminates the need for an external Schottky diode.

Applications

  • Portable Instruments
  • Cellular Phones
Lifecycle information of LTC3543

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.

LTC3543 More photos
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