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Manufacturer / Brand: AD
Details: Standalone Linear Li-Ion Battery Charger and Dual Synchronous Buck Converter
Series: LTC3552-1
Quantity Available: Over 77190 pieces

Datasheet for LTC3552-1:

LTC3552-1 datasheet
Price for LTC3552-1
Product Parameters
  • Manufacturer Part Number : LTC3552-1
  • Manufacturer : AD
  • Description : Standalone Linear Li-Ion Battery Charger and Dual Synchronous Buck Converter
  • Series : LTC3552-1
  • Reference Price : USD 1.84
  • Our Price : We have a better price, contact us by email
  • Product Type : Battery Management
  • Function : Battery Charger Plus DC/DC
  • 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 : LTC3552-1
  • 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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Related IC Components
Features and Benefits of LTC3552-1
Product Detailed Description for LTC3552-1

The LTC3552-1 is a complete constant-current/constant-voltage linear charger and dual fixed output DC/DC converter for single cell lithium-ion batteries. Its DFN package and low external component count make the LTC3552-1 ideally suited for portable applications. Furthermore, the LTC3552-1 is designed to work within USB power specifications.

No external sense resistor or external blocking diode are required due to the internal MOSFET architecture. The charge voltage is fixed at 4.2V and the charge current is programmed with a resistor. The charge cycle terminates when the charge current drops below the programmed termination threshold after the final float voltage is reached. When the input supply (wall adapter or USB supply) is removed, the LTC3552-1 enters a low current state dropping the battery drain current to less than 2μA. Thermal regulation maximizes charge rate without risk of overheating.

The synchronous step-down switching regulators generate fixed output voltages of 1.8V and 1.575V. The switching frequency is set at 2.25MHz, allowing the use of small surface mount inductors and capacitors.


  VOUT
LTC3552   Adjustable (0.6V to 5V)
LTC3552-1 1.8V & 1.575V

Applications

  • Cellular Telephones, PDAs, MP3 Players
  • Bluetooth Applications
Lifecycle information of LTC3552-1

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.

LTC3552-1 More photos
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