LT3513
Info: : PRODUCTION
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LT3513

2MHz High Current 5-Output Regulator for TFT-LCD Panels

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Info: : PRODUCTION tooltip
Info: : PRODUCTION tooltip
Part Details
Part Models 4
1ku List Price Starting From $5.07
Features
  • 4.5V to 30V Input Voltage Range
  • Four Integrated Switches: 2.2A Buck, 1.5A Boost, 0.25A Boost, 0.25A Inverter (Guaranteed Minimum Current Limit)
  • External NPN LDO Driver
  • Fixed Frequency, Low Noise Outputs
  • Inductor Current Sense for Buck
  • Soft-Start for All Outputs
  • Externally Programmable VON Delay
  • Three Integrated Schottky Diodes
  • PGOOD Pin for AVDD Output Disconnect
  • PanelProtect Circuitry Disables VON Upon Fault
  • Thermally Enhanced 38-Lead 5mm × 7mm QFN Package
Additional Details
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The LT3513 5-output adjustable switching regulator provides power for large TFT-LCD panels. The 38-pin 5mm × 7mm QFN device can generate a 3.3V or 5V logic supply along with the triple output supply required for the TFT-LCD panel. A lower voltage secondary logic supply may also be generated with the addition of an external NPN driven by the internal linear regulator. A step-down regulator provides a low voltage output, VLOGIC, with up to 1.2A of current while capable of operating from a wide input range of 4.5V to 30V. A high power step-up converter, a lower power step-up converter and an inverting converter provide the three independent output voltages: AVDD, VON and VOFF required by the LCD panel. A high-side PNP provides delayed turn-on of the VON signal and can handle up to 30mA. Protection circuitry ensures that VON is disabled if any of the four outputs are more than 10% below the programmed voltage.

Applications

  • Automotive TFT-LCD Displays
  • Large TFT-LCD Desktop Monitors
  • Flat Panel Televisions
Part Models 4
1ku List Price Starting From $5.07

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Documentation

Documentation

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
LT3513EUHF#PBF
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LT3513EUHF#TRPBF
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LT3513IUHF#PBF
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LT3513IUHF#TRPBF
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Software & Part Ecosystem

Software & Part Ecosystem

Evaluation Kit

Evaluation Kits 1

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DC1028A

LT3513EUHF Demo Board | 2MHz High Current 5-Output Regulator for TFT LCD Panels

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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