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Manufacturer / Brand: AD
Details: Constant Frequency Step-Down DC/DC Controller with LDO Regulator
Series: LTC3700
Quantity Available: Over 41660 pieces

Datasheet for LTC3700:

LTC3700 datasheet
Price for LTC3700
Product Parameters
  • Manufacturer Part Number : LTC3700
  • Manufacturer : AD
  • Description : Constant Frequency Step-Down DC/DC Controller with LDO Regulator
  • Series : LTC3700
  • Reference Price : USD 1.88
  • 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 : LTC3700
  • 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 LTC3700
Product Detailed Description for LTC3700

The LTC3700 is a constant frequency current mode stepdown (buck) DC/DC controller with excellent AC and DC load and line regulation. The on-chip 150mA low dropout (LDO) linear regulator can be powered from the buck controller’s input supply, its own independent input supply or the buck regulator’s output. The buck controller incorporates an undervoltage lockout feature that shuts down the controller when the input voltage falls below 2.1V.

The buck regulator provides a ±2.5% output voltage accuracy. It consumes only 210µA of quiescent current in normal operation with the LDO consuming an additional 50µA. In shutdown, a mere 10µA (combined) is consumed.

For applications where efficiency is a prime consideration, the buck controller is configured for Burst Mode operation which enhances efficiency at low output current. To further maximize the life of a battery source, the external P-channel MOSFET is turned on continuously in dropout (100% duty cycle). High constant operating frequency of 550kHz allows the use of a small external inductor.

The LDO is protected by both current limit and thermal shutdown circuits.

The LTC3700 is available in a tiny 10-pin MSOP.

Applications

  • Notebook Computers
  • Portable Instruments
  • One or Two Li-Ion Battery-Powered Applications
Lifecycle information of LTC3700

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.

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