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Manufacturer / Brand: AD
Details: Dual Synchronous, Fixed Output 2.25MHz Step-Down DC/DC Regulator
Series: LTC3548-1
Quantity Available: Over 12880 pieces

Datasheet for LTC3548-1:

LTC3548-1 datasheet
Price for LTC3548-1
Product Parameters
  • Manufacturer Part Number : LTC3548-1
  • Manufacturer : AD
  • Description : Dual Synchronous, Fixed Output 2.25MHz Step-Down DC/DC Regulator
  • Series : LTC3548-1
  • Reference Price : USD 2.08
  • 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 : LTC3548-1
  • 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 LTC3548-1
Product Detailed Description for LTC3548-1

The LTC3548-1 is a dual, fixed output, constant-frequency, synchronous step-down DC/DC converter. Intended for low power applications, it operates from 2.5V to 5.5V input voltage range and has a constant 2.25MHz switching frequency, allowing the use of tiny, low cost capacitors and inductors with a profile ≤1mm. The output voltage for channel 1 is fixed at 1.8V and for channel 2 is fixed at 1.575V. Internal synchronous 0.35Ω, 1.2A/0.7A power switches provide high efficiency without the need for external Schottky diodes. Burst Mode® operation provides high efficiency at light loads.

To further maximize battery runtime, the P-channel MOSFETs are turned on continuously in dropout (100% duty cycle), and both channels draw a total quiescent current of only 40µA. In shutdown, the device draws <1µA.

The LTC3548-1 is available in both thin (0.75mm) and ultra-thin (0.55mm) 3mm × 3mm DFN packages.

Features
LTC3548A Improved Burst Mode, Improved ESD, 2 Adjustable Outputs
LTC3548-2 One Fixed 1.8V Output, 1 Adjustable
LTC3548-1 Fixed 1.8V and 1.575V Outputs
LTC3548 2 Adjustable Outputs

Applications

  • PDAs/Palmtop PCs
  • Digital Cameras
  • Cellular Phones
  • Portable Media Players
  • PC Cards
  • Wireless and DSL Modems
Lifecycle information of LTC3548-1

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.

LTC3548-1 More photos
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