LTC3824
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LTC3824

High Voltage Step-Down Controller With 40µA Quiescent Current

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LTspice LTC3824 - Step-Down (Buck) Regulators Download 2.69 KB LTspice LTC3824 Demo Circuit - HV Step-Down Controller w/ 40µA Iq (4.5-55V to 3.3V@2A) Download 3.00KB
Part Models 8
1ku List Price Starting From $2.36
Features
  • Wide Input Range: 4V to 60V
  • Current Mode Constant Frequency PWM
  • Very Low Dropout Operation: 100% Duty Cycle
  • Programmable Switching Frequency: 200kHz to 600kHz
  • Selectable High Efficient Burst Mode® Operation: 40µA Quiescent Current
  • Easy Synchronization
  • 8V, 2A Gate Drive (VCC > 10V) for Industrial High Voltage P-Channel MOSFET
  • Programmable Soft-Start
  • Programmable Current Limit
  • Available in a Small 10-Pin Thermally Enhanced MSE Package
Additional Details
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The LTC3824 is a step-down DC/DC controller designed to drive an external P-channel MOSFET. With a wide input range of 4V to 60V and a high voltage gate driver, the LTC3824 is suitable for many industrial and automotive high power applications. Constant frequency current mode operation provides excellent performance.

The LTC3824 can be configured for Burst Mode operation. Burst Mode operation enhances low current efficiency (only 40µA quiescent current) and extends battery run time. The switching frequency can be programmed up to 600kHz and is easily synchronizable.

Other features include current limit, soft-start, micropower shutdown, and Burst Mode disable.

The LTC3824 is available in a 10-lead MSE power package.

Applications

  • Industrial and Automotive Power Supplies
  • Telecom Power Supplies
  • Distributed Power Systems
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file View Data Sheet
Documentation View All Documentation
LTspice LTC3824 - Step-Down (Buck) Regulators Download 2.69 KB LTspice LTC3824 Demo Circuit - HV Step-Down Controller w/ 40µA Iq (4.5-55V to 3.3V@2A) Download 3.00KB
Part Models 8
1ku List Price Starting From $2.36
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LTC3824

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UPDATED 01/12/2016
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LTC3824: High Voltage Step-Down Controller With 40µA Quiescent Current Data Sheet

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UPDATED 06/07/2011
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LTC3824: 消費電流40μAの高電圧降圧コントローラ データシート

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DC960A - Demo Manual redirect icon

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UPDATED 09/01/2006
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High Voltage Step-Down Controller Delivers High Power with Minimum Number of Components 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
LTC3824EMSE#PBF 10-Lead MSOP w/ EP external-link
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LTC3824HMSE#PBF 10-Lead MSOP w/ EP external-link
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LTC3824HMSE#TRPBF 10-Lead MSOP w/ EP external-link
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  • Material Declaration external-link
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  • Reliablity Data external-link
LTC3824IMSE#PBF 10-Lead MSOP w/ EP external-link
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LTC3824IMSE#TRPBF 10-Lead MSOP w/ EP external-link
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  • Material Declaration external-link
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LTC3824MPMSE#PBF 10-Lead MSOP w/ EP external-link
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LTC3824MPMSE#TRPBF 10-Lead MSOP w/ EP external-link
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Apr 18, 2022

- 22_0050

UTAC Thai Limited (UTL) as Alternate Assembly Site for MSOP Packages / Devices

LTC3824EMSE#PBF

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LTC3824EMSE#TRPBF

PRODUCTION

LTC3824HMSE#PBF

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LTC3824HMSE#TRPBF

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LTC3824IMSE#PBF

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Qualification Results Summary

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Delta Qualification Matrix

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Mar 30, 2021

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Test Platform Conversion for LTC3824 MSOP

LTC3824EMSE#PBF

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LTC3824EMSE#TRPBF

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LTC3824IMSE#PBF

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LTC3824IMSE#TRPBF

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Test Correlation Report

Feb 4, 2020

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Laser Top Mark Conversion for 10-Lead MSOP Packages Assembled in ADPG and UTAC

LTC3824EMSE#PBF

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LTC3824EMSE#TRPBF

PRODUCTION

LTC3824HMSE#PBF

PRODUCTION

LTC3824HMSE#TRPBF

PRODUCTION

LTC3824IMSE#PBF

PRODUCTION

LTC3824IMSE#TRPBF

PRODUCTION

LTC3824MPMSE#PBF

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LTC3824MPMSE#TRPBF

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PCN20_0130_Form

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Material_Report

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Apr 18, 2022

- 22_0050

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UTAC Thai Limited (UTL) as Alternate Assembly Site for MSOP Packages / Devices

LTC3824EMSE#PBF

PRODUCTION

LTC3824EMSE#TRPBF

PRODUCTION

LTC3824HMSE#PBF

PRODUCTION

LTC3824HMSE#TRPBF

PRODUCTION

LTC3824IMSE#PBF

PRODUCTION

LTC3824IMSE#TRPBF

PRODUCTION

pdf

PCN22_0050_Form

external-icon

xls

Material_Report

Download

pdf

Qualification Results Summary

external-icon

xlsm

Delta Qualification Matrix

Download
Mar 30, 2021

- 21_0081

arrow down

Test Platform Conversion for LTC3824 MSOP

LTC3824EMSE#PBF

PRODUCTION

LTC3824EMSE#TRPBF

PRODUCTION

LTC3824IMSE#PBF

PRODUCTION

LTC3824IMSE#TRPBF

PRODUCTION

pdf

PCN21_0081_Form

external-icon

xls

Material_Report

Download
Test Correlation Report
Feb 4, 2020

- 20_0130

arrow down

Laser Top Mark Conversion for 10-Lead MSOP Packages Assembled in ADPG and UTAC

LTC3824EMSE#PBF

PRODUCTION

LTC3824EMSE#TRPBF

PRODUCTION

LTC3824HMSE#PBF

PRODUCTION

LTC3824HMSE#TRPBF

PRODUCTION

LTC3824IMSE#PBF

PRODUCTION

LTC3824IMSE#TRPBF

PRODUCTION

LTC3824MPMSE#PBF

PRODUCTION

LTC3824MPMSE#TRPBF

PRODUCTION

pdf

PCN20_0130_Form

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xls

Material_Report

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Evaluation Kits 1

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DC960A

LTC3824EMSE Demo Board | 5.5V ≤ VIN ≤ 60V, VOUT: 5V/2A

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DC960A

LTC3824EMSE Demo Board | 5.5V ≤ VIN ≤ 60V, VOUT: 5V/2A

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DC960A
LTC3824EMSE Demo Board | 5.5V ≤ VIN ≤ 60V, VOUT: 5V/2A
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Product Detail

Demonstration circuit 960 is a high voltage, current-mode DC/DC step-down controller featuring the LTC3824 in a small 10-pin MSOP package.


The board operates from an input voltage of 5.5V to 60V and outputs 5V @ 2A. The converter uses a P-channel MOSFET for the main switch resulting in a low parts count design. Operating frequency is set to 200kHz with the option to accept a synchronized external clock.

 

Resources

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PDF

DC960A - Schematic Download

30.00K

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ZIP

DC960A - Design File Download

584.00K

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DC960A - Demo Manual Download

615.00K

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Evaluation Kits1

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DC960A

LTC3824EMSE Demo Board | 5.5V ≤ VIN ≤ 60V, VOUT: 5V/2A

Tools & Simulations 1

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.

spice tool Lt Spice

LTC3824 - Step-Down (Buck) Regulators Download

2.69 K

spice tool Lt Spice

LTC3824 Demo Circuit - HV Step-Down Controller w/ 40µA Iq (4.5-55V to 3.3V@2A) Download

3.00K

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