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MAX17113

MAX17113

Low-Cost Multiple-Output Power Supply for LCD TVs

Low-Cost, Highly Integrated IC for LCD TV Power Supply Minimizes Space and Cost

Data Sheet
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Overview

Description

The MAX17113 multiple-output power-supply controller generates all the supply rails for thin-film transistor (TFT) liquid-crystal display (LCD) panels in TVs and monitors operating from a regulated 12V input. It includes a step-down and a step-up regulator, a positive and a negative charge pump, a Dual Mode™ logic-controlled high-voltage switch control block, and an adjustable-timing power-good output. The MAX17113 can operate from 8V to 16.5V input voltages and is optimized for LCD TV panel and LCD monitor applications running directly from 12V supplies.

The step-up and step-down regulators feature internal power MOSFETs and high-frequency operation allowing the use of small inductors and capacitors, resulting in a compact solution. Both switching regulators use fixed-frequency current-mode control architectures, providing fast load-transient response and easy compensation. A current-limit function for internal switches and output-fault shutdown protect the step-up and step-down power supplies against fault conditions. The MAX17113 provides soft-start functions to limit inrush current during startup. The MAX17113 provides adjustable power-up timing.

The positive and negative charge-pump regulators provide TFT gate-driver supply voltages. Both output voltages can be adjusted with external resistive voltage-dividers. The switch control block allows the manipulation of the positive TFT gate-driver voltage.

A series p-channel MOSFET is integrated to sequence power to AVDD after the MAX17113 has proceeded through normal startup, and provides True Shutdown™.

The MAX17113 is available in a small (5mm x 5mm), low-profile (0.8mm), 40-pin thin QFN package and operates over a -40°C to +85°C temperature range.
MAX17113: Typical Operating Circuit MAX17113: Typical Operating Circuit Enlarge+

Key Features

  • Optimized for 10.8V to 13.2V Input Supply
  • 8V to 16.5V Input Supply Range
  • Selectable Frequency (450kHz/600kHz)
  • Current-Mode Step-Up Regulator
    • Built-In 24V, 3.3A, 80mΩ n-Channel MOSFET
    • High-Accuracy Output Voltage (1%)
    • True Shutdown
    • Fast Load-Transient Response
    • High Efficiency
    • 10ms Internal Soft-Start
  • Current-Mode Step-Down Regulator
    • Built-In 24V, 3A, 100mΩ n-Channel MOSFET
    • Fast Load-Transient Response
    • Adjustable Output Voltage Down to 1.5V
    • Skip Mode at Light Load (EN2 = AGND)
    • High Efficiency
    • 3ms Internal Soft-Start
  • Adjustable Positive and Negative Charge-Pump Regulators
  • Soft-Start and Timer-Delay Fault Latch for All Outputs
  • Logic-Controlled High-Voltage Integrated Switches with Adjustable Delay
  • 120mΩ p-Channel FET for AVDD Sequencing
  • Input Undervoltage Lockout and Thermal-Overload Protection
  • 40-Pin, 5mm x 5mm Thin QFN Package

Applications/Uses

  • LCD Monitor Panels
  • LCD TV Panels

Design Resources

Quality and Environmental Data

Product Reliability Reports: MAX17113.pdf 
Lead-Free Package Tin (Sn) Whisker Reports

CAD Symbols and Footprints

  • MAX17113ETL+
  • MAX17113ETL+T
    •

    Quality And Environmental

    Device   Fab Process   Technology   Sample size   Rejects   FIT at 25°C   FIT at 55°C  

    Note : The failure rates are summarized by technology and mapped to the associated material part numbers. The failure rates are highly dependent on the number of units tested.

    Quality Management System >
    Environmental Management System >

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    Evaluation Board6518MAX17113EVKIT Evaluation Kit for the MAX17113

    Events


    Belle Isle 2020
    05/29/2020 - 05/31/2020, Detroit, MI
    2020 Detroit Grand Prix - Chevrolet Detroit Grand Prix presented by Lear Fast Facts The Chevrolet Detroit Grand Prix presented by Lear was hosted on Belle Isle, May 29 - 30 2020. The event featured the cars of the NTT IndyCar Series, the IMSA WeatherTech SportsCar Championship and the Trans Am Series presented by Pirelli. The weekend is collectively referred to as the Chevrolet Detroit Grand Prix presented by Lear and it once again featured the Chevrolet Dual in Detroit IndyCar doubleheader.

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