LTC3410B
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LTC3410B

2.25MHz, 300mA Synchronous Step-Down Regulator in SC70

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LTspice LTC3410B Demo Circuit - 2.25MHz, 300mA, Synchronous Step-Down Regulator (3.3V to 1.5V @ 300mA) Download 2.00KB LTspice LTC3410B - Step-Down (Buck) Regulators Download 0.9 KB
Part Models 10
1ku List Price Starting From $1.86
Features
  • High Efficiency: Up to 96%
  • 300mA Output Current at VIN = 3V
  • 380mA Minimum Peak Switch Current
  • 2.5V to 5.5V Input Voltage Range
  • 2.25MHz Constant Frequency Operation
  • No Schottky Diode Required
  • Low Dropout Operation: 100% Duty Cycle
  • Stable with Ceramic Capacitors
  • 0.8V Reference Allows Low Output Voltages
  • Shutdown Mode Draws < 1μA Supply Current
  • ±2% Output Voltage Accuracy
  • Current Mode Operation for Excellent Line andLoad Transient Response
  • Overtemperature Protected
  • Available in Low Profile SC70 Package
Additional Details
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The LTC3410B is a high efficiency monolithic synchronous buck regulator using a constant frequency, current mode architecture. The device is available in adjustable and fixed output voltage versions. Supply current during operation is only 200µA, dropping to <1µA in shutdown. The 2.5V to 5.5V input voltage range makes the LTC3410B ideally suited for single Li-Ion battery-powered applications.100% duty cycle provides low dropout operation, extending battery life in portable systems. PWM pulse skipping mode operation provides very low output ripple voltage for noise sensitive applications.

Switching frequency is internally set at 2.25MHz, allowing the use of small surface mount inductors and capacitors. The LTC3410B is specifically designed to work well with ceramic output capacitors, achieving very low output voltage ripple and a small PCB footprint.

The internal synchronous switch increases efficiency and eliminates the need for an external Schottky diode. Low output voltages are easily supported with the 0.8V feedback reference voltage. The LTC3410B is available in a tiny, low profile SC70 package.


 Vout Burst Mode
LTC3410 Adj. Down To 0.8V Yes
LTC3410B Adj. Down To 0.8V No
LTC3410-1.875 Fixed 1.875V Yes


Applications

  • Cellular Telephones
  • Personal Information Appliances
  • Wireless and DSL Modems
  • Digital Still Cameras
  • MP3 Players
  • Portable Instruments
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file View Data Sheet
Documentation View All Documentation
LTspice LTC3410B Demo Circuit - 2.25MHz, 300mA, Synchronous Step-Down Regulator (3.3V to 1.5V @ 300mA) Download 2.00KB LTspice LTC3410B - Step-Down (Buck) Regulators Download 0.9 KB
Part Models 10
1ku List Price Starting From $1.86
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LTC3410B

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UPDATED 11/12/2007
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LTC3410B: 2.25MHz, 300mA Synchronous Step-Down Regulator in SC70 Data Sheet

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UPDATED 01/06/2010
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LTC3410B: SC70パッケージの2.25MHz、300mA同期整流式降圧レギュレータ データシート

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User Guide

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UPDATED 10/15/2014
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DC870A-B - Demo Manual redirect icon

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Documentation

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
LTC3410BESC6#TRMPBF 6-Lead SC70 external-link
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LTC3410BESC6#TRPBF 6-Lead SC70 external-link
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LTC3410BESC6-1.2#TRMPBF 6-Lead SC70 external-link
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LTC3410BESC6-1.2#TRPBF 6-Lead SC70 external-link
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LTC3410BESC6-1.5#TRMPBF 6-Lead SC70 external-link
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LTC3410BESC6-1.5#TRPBF 6-Lead SC70 external-link
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LTC3410BESC6-1.8#TRMPBF 6-Lead SC70 external-link
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LTC3410BESC6-1.8#TRPBF 6-Lead SC70 external-link
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  • Material Declaration external-link
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LTC3410BESC6-1.875#TRMPBF 6-Lead SC70 external-link
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LTC3410BESC6-1.875#TRPBF 6-Lead SC70 external-link
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Software & Part Ecosystem

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PRODUCTION

Ultra-Low Power Supervisor with Power-Fail Output, Selectable Thresholds

Evaluation Kits 1

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DC870A-B

LTC3410BESC6 Demo Board | 2.5V ≤ VIN ≤ 5.5V, VOUT = 1.8V @ 300mA

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DC870A-B

LTC3410BESC6 Demo Board | 2.5V ≤ VIN ≤ 5.5V, VOUT = 1.8V @ 300mA

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DC870A-B
LTC3410BESC6 Demo Board | 2.5V ≤ VIN ≤ 5.5V, VOUT = 1.8V @ 300mA
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Product Detail

Demonstration circuit 870A-B is a high efficiency, 2.25MHz buck converter, incorporating the LTC3410B monolithic synchronous regulator (with Burst Mode disabled). The DC870 has an input voltage range of 2.25V to 5.5V, and is capable of delivering up to 300mA of output current. The LTC3410B has an output voltage range from 0.8V to 5V, but the demo board is configured for a 1.8V output.

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DC870A-B - Design Files Download

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DC870A-B - Demo Manual Download

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DC870A - Schematic Download

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Evaluation Kits1

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DC870A-B

LTC3410BESC6 Demo Board | 2.5V ≤ VIN ≤ 5.5V, VOUT = 1.8V @ 300mA

Tools & Simulations 2

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

To launch ready-to-run LTspice demonstration circuits for this part:

Step 1: Download and install LTspice on your computer.

Step 2: Click on the link in the section below to download a demonstration circuit.

Step 3: If LTspice does not automatically open after clicking the link below, you can instead run the simulation by right clicking on the link and selecting “Save Target As.” After saving the file to your computer, start LTspice and open the demonstration circuit by selecting ‘Open’ from the ‘File’ menu.

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LTC3410B Demo Circuit - 2.25MHz, 300mA, Synchronous Step-Down Regulator (3.3V to 1.5V @ 300mA) Download

2.00K

spice tool Lt Spice

LTC3410B - Step-Down (Buck) Regulators Download

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