LT3724
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LT3724

High Voltage, Current Mode Switching Regulator Controller

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Part Details
Part Models 6
1ku List Price Starting From $3.77
Features
  • Wide Input Range: 4V to 60V
  • Output Voltages up to 36V (Step-Down)
  • Burst Mode Operation: <100µA Supply Current
  • 10µA Shutdown Supply Current
  • ±1.3% Reference Accuracy
  • 200kHz Fixed Frequency
  • Drives N-Channel MOSFET
  • Programmable Soft-Start
  • Programmable Undervoltage Lockout
  • Internal High Voltage Regulator for Gate Drive
  • Thermal Shutdown
  • Current Limit Unaffected by Duty Cycle
  • 16-Pin Thermally Enhanced TSSOP Package
Additional Details
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The LT3724 is a DC/DC controller used for medium power, low part count, low cost, high efficiency supplies. It offers a wide 4V-60V input range (7.5V minimum startup voltage) and can implement step-down, step-up, inverting and SEPIC topologies.

The LT3724 includes Burst Mode operation, which reduces quiescent current below 100µA and maintains high efficiency at light loads. An internal high voltage bias regulator allows for simple biasing and can be back driven to increase efficiency.

Additional features include fixed frequency current mode control for fast line and load transient response; a gate driver capable of driving large N-channel MOSFETs; a precision undervoltage lockout function; 10µA shutdown current; short-circuit protection; and a programmable soft-start function that directly controls output voltage slew rates at startup which limits inrush current, minimizes overshoot and facilitates supply sequencing.

Applications

  • Industrial Power Distribution
  • 12V and 42V Automotive and Heavy Equipment
  • High Voltage Single Board Systems
  • Distributed Power Systems
  • Avionics
  • Telecom Power
Part Models 6
1ku List Price Starting From $3.77

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Documentation

Documentation

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
LT3724EFE#PBF
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Product Lifecycle

PCN

Apr 6, 2022

- 22_0068

Laser Top Mark for ETSSOP and TSSOP Packages Assembled in ADPG [PNG] and UTL

LT3724EFE#PBF

PRODUCTION

LT3724EFE#TRPBF

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LT3724IFE#PBF

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LT3724IFE#TRPBF

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LT3724MPFE#PBF

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Part Models

Product Lifecycle

PCN

Apr 6, 2022

- 22_0068

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Laser Top Mark for ETSSOP and TSSOP Packages Assembled in ADPG [PNG] and UTL

LT3724EFE#PBF

PRODUCTION

LT3724EFE#TRPBF

PRODUCTION

LT3724IFE#PBF

PRODUCTION

LT3724IFE#TRPBF

PRODUCTION

LT3724MPFE#PBF

PRODUCTION

LT3724MPFE#TRPBF

PRODUCTION

Software & Part Ecosystem

Software & Part Ecosystem

Evaluation Kit

Evaluation Kits 1

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DC736A

LT3724EFE | High Voltage Step-Down Controller, 30V to 60VIN, 24VOUT @ 3A

Tools & Simulations

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.

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