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Manufacturer / Brand: AD
Details: 1A Buck-Boost DC/DC and Dual 600mA Buck DC/DC Converters
Series: LTC3521
Quantity Available: Over 47000 pieces

Datasheet for LTC3521:

LTC3521 datasheet
Price for LTC3521
Product Parameters
  • Manufacturer Part Number : LTC3521
  • Manufacturer : AD
  • Description : 1A Buck-Boost DC/DC and Dual 600mA Buck DC/DC Converters
  • Series : LTC3521
  • Reference Price : USD 2.76
  • Our Price : We have a better price, contact us by email
  • Product Type : PMIC & Multifunction
  • Function : Multitopology DC/DC
  • Current Suggest : Recommended for New Designs
  • Status : Production
  • RoHS Status: -
  • Voltage: -
  • Feature: -
  • Package Case: -
  • Temperature Range: -
  • Packing: Reel/Tray/Tube
  • Standard Packing Quantity: -
  • Country of Origin: -
  • Other Part Number : LTC3521
  • 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 LTC3521
Product Detailed Description for LTC3521

The LTC3521 combines a 1A buck-boost DC/DC converter and dual 600mA synchronous buck DC/DC converters. The 1.1MHz switching frequency minimizes the solution footprint while maintaining high efficiency. All three converters feature soft-start and internal compensation to minimize the solution footprint and simplify the design process.

The buck converters are current mode controlled and utilize an internal synchronous rectifier to improve efficiency. The buck converters support 100% duty cycle operation to extend battery life. If the PWM pin is held low, the buck converters automatically transition from Burst Mode operation to PWM mode at high loads. With the PWM pin held high, the buck converters remain in low noise, 1.1MHz PWM mode.

The buck-boost converter features continuous conduction operation to maximize efficiency and minimize noise. At light loads, the buck-boost converter can be operated in Burst Mode operation to improve efficiency and reduce no-load standby current.

The LTC3521 provides a <2μA shutdown mode, overtemperature shutdown and current limit protection on all converters. The LTC3521 is available in a 24-pin 0.75mm × 4mm × 4mm QFN package, and a 20-pin thermally enhanced TSSOP package.

Applications

  • Bar Code Readers
  • Medical Instruments
  • Handy Terminals
  • PDAs, Handheld PCs
  • GPS Receivers
Lifecycle information of LTC3521

This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.

LTC3521 More photos
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