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Manufacturer / Brand: AD
Details: Micropower No RSENSE Constant Frequency Step-Down DC/DC Controller
Series: LTC3772B
Quantity Available: Over 13100 pieces

Datasheet for LTC3772B:

LTC3772B datasheet
Price for LTC3772B
Product Parameters
  • Manufacturer Part Number : LTC3772B
  • Manufacturer : AD
  • Description : Micropower No RSENSE Constant Frequency Step-Down DC/DC Controller
  • Series : LTC3772B
  • Reference Price : USD 1.544
  • 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 : LTC3772B
  • 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 LTC3772B
Product Detailed Description for LTC3772B

The LTC3772B is a constant frequency current mode step-down DC/DC controller in a low profile 8-lead SOT-23 (ThinSOT) and a 3mm × 2mm DFN package. The No RSENSE architecture eliminates the need for a current sense resistor, improving efficiency and saving board space.

The LTC3772B automatically switches into pulse skipping operation at light loads. It consumes only 200μA of quiescent current under a no-load condition.

The LTC3772B incorporates an undervoltage lockout feature that shuts down the device when the input voltage falls below 2V. To maximize the runtime from a battery source, the external P-channel MOSFET is turned on continuously in dropout (100% duty cycle). High switching frequency of 550kHz allows the use of a small inductor and capacitors. An internal soft-start smoothly ramps the output voltage from zero to its regulation point.

Burst Mode
LTC3772 Yes
LTC3772B No

Applications

  • 1- or 2-Cell Li-Ion Battery-Powered Applications
  • Wireless Devices
  • Portable Computers
  • Distributed Power Systems
Lifecycle information of LTC3772B

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.

LTC3772B More photos
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