MAX25200

36V Automotive Low-IQ 200kHz to 2.2MHz Sepic/Flyback Controller

20µA IQ with Superior Gate Drive Enabling Automotive Applications


Please check latest availability status for a specific part variant.

Description

The MAX25200 is a high-performance, current-mode PWM controller with 1.5μA (typ) shutdown current for boost converters with a wide input voltage range. The 4.5V to 36V input operating voltage range makes these devices ideal in automotive applications, such as front-end preboost or general-purpose SEPIC or flyback power supplies. An internal low-dropout regulator with a 5V output voltage enables the MAX25200 to operate directly from an automotive battery input. The input operating range can be extended to as low as 1.8V after startup.

The MAX25200's switching frequency operation (up to 2.2MHz) reduces output ripple, avoids AM band interference, and allows for the use of smaller external components. The switching frequency is resistor adjustable from 220kHz to 2.2MHz; Alternatively, the frequency can be synchronized to an external clock. A spread spectrum option is available to improve system EMI performance.

The device features a power-OK monitor and undervoltage lockout. Protection features include cycle-by-cycle current limit and thermal shutdown. The MAX25200 operates over the -40°C to +125°C automotive temperature range.

Key Features

  • Meets Stringent OEM Module Power Consumption and Performance Specifications
  • 20μA Quiescent Current in Skip Mode
  • ±1.5% FB Voltage Accuracy
  • Output Voltage Range: Fixed or Adjustable Between 3.5V and 60V
  • Enables Crank-Ready Designs
  • Operates Down to 1.8V after Startup
  • Wide Input Supply Range from 4.5V to 36V
  • EMI Reduction Features Reduce Interference with Sensitive Radio Bands without Sacrificing Wide Input Voltage Range
  • Spread-Spectrum Option
  • Frequency-Synchronization Input
  • Resistor-Programmable Frequency Between 220kHz and 2.2MHz
  • Integration and Thermally Enhanced Packages Save Board Space and Cost
  • Current-Mode Controllers with Forced-Continuous and Skip Modes
  • Thermally Enhanced 16-Pin TQFN-EP Package
  • Protection Features Improve System Reliability
  • Supply Undervoltage Lockout
  • Overtemperature and Short-Circuit Protection
  • Applications/Uses

    • Cluster Systems
    • E-call
    • Infotainment

    MAX25201EVKIT: Evaluation Kit for the MAX25200/MAX25201

    Tools & Models

  • EE-Sim: Design & Simulate MAX25200
  • Request Reliability Report for: MAX25200 
    Device   Fab Process   Technology   Sample size   Rejects   FIT at 25°C   FIT at 55°C   Material Composition  

    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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