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MAX1531EVKIT

Evaluation Kit for the MAX1530/MAX1531

Product Details

Key Features

Simplified Block Diagram

Technical Docs

Data Sheet Evaluation Kit for the MAX1530/MAX1531 Nov 18, 2004

Support & Training

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Our dedicated team of Applications Engineers are also available to answer your technical questions. Visit our support portal .

Key Features

  • Output Voltages (Input Range = +10.5V to +24V or
    +9.5V to +24V Using Included MAX1522 Circuit)
    +3.3V Output at 1.5A (Step-Down Switching Regulator)
    +2.5V Output at 500mA (Logic-Supply Regulator)
    +10V Output at 500mA (Source-Driver Supply Regulator)
    +9.7V Output at 50mA (Gamma-Reference Regulator)
    +25V Output at 25mA (Positive Charge Pump and Linear Regulator)
    -9V Output at 50mA (Negative Charge Pump and Linear Regulator)
  • +8V to +24V Input Range (Reduced Output Voltages)
  • Resistor-Adjustable Outputs
  • 92% Efficiency (Step-Down Switching Regulator)
  • 250kHz/500kHz Selectable Step-Down Switching Frequency
  • Programmable Power-Up Sequencing
  • Soft-Start for All Outputs
  • Multilevel Protection
  • Resistor-Adjustable Input Undervoltage Threshold
    Output Undervoltage Shutdown
    Overcurrent Protection for One Linear Regulator
    Current Limit for the Step-Down Switching Regulator
  • External Step-Up Switching Regulator (MAX1522) Included
  • Also Evaluates the MAX1530 (IC Replacement Required)
  • Low-Profile, Surface-Mount Components
  • Fully Assembled and Tested
  • Applications/Uses

    • Automotive LCDs
    • LCD Monitors and TVs

    Description

    The MAX1531 evaluation kit (EV kit) is a fully assembled and tested surface-mount circuit board that provides logic and bias power required for liquid crystal display (LCD) monitors. The EV kit contains a step-down switching regulator, a logic-supply linear regulator, a source-driver-supply linear regulator, a gamma-reference linear regulator, a two-stage positive charge pump and linear regulator for the TFT gate-on supply, and a one-stage negative charge pump and linear regulator for the TFT gate-off supply. The source-driver supply, the gamma-reference supply, the gate-on supply, and the gate-off supply can be sequenced in any power-up order. The EV kit also includes a MAX1522 step-up switching regulator to provide a higher output voltage option for the source-driver supply and the gamma reference.

    The EV kit produces the output voltages listed in the features column using a +10.5V to +24V input voltage range. The input range can be reduced to +9.5V if the included MAX1522 step-up regulator circuit is used. If lower output voltages are acceptable, the input range can be further reduced to +8V.

    The EV kit features undervoltage protection for the input, overcurrent protection for the step-down switching regulator, and overload protection for the sourcedrive linear regulator. Operation at 500kHz allows the use of small surface-mount components. The EV kit also evaluates the MAX1530.

    Simplified Block Diagram

    Technical Docs

    Data Sheet Evaluation Kit for the MAX1530/MAX1531 Nov 18, 2004

    Support & Training

    Search our knowledge base for answers to your technical questions.

    Filtered Search

    Our dedicated team of Applications Engineers are also available to answer your technical questions. Visit our support portal .