MAX25201

36V Automotive Low-IQ 200kHz to 2.2MHz Synchronous Boost Controller

20µA IQ, Multiphase Capable with Superior Gate Drive Enabling Automotive Applications


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说明

The MAX25201/MAX25202 are high-performance, current-mode PWM controllers with 1.5μA (typ) shutdown current for wide input voltage range boost converters. The 4.5V to 36V input operating voltage range makes these devices ideal in automotive applications, such as front-end preboost or general-purpose boost power supply, for the first boost stage in high-power LED lighting applications or to generate audio amplifier voltages. An internal low-dropout regulator with a 5V output voltage enables the MAX25201/MAX25202 to operate directly from an automotive battery input. The input operating range can be extended to as low as 1.8V after startup.

The MAX25201/MAX25202’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. For high-current applications the dual-phase MAX25202 is available. The MAX25202 operates at a fixed 400kHz switching frequency and can be synchronized to an external clock.

The controllers feature a power-OK monitor and undervoltage lockout. Protection features include cycle-by-cycle current limit and thermal shutdown. The MAX25201/MAX25202 operate over the -40°C to +125°C automotive temperature range.

关键特性

  • 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 200kHz 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 Protecti​on
  • 应用

    • null
    • null
    • 信息娱乐系统

    请查看具体的参数规格 Step-Up Switching Regulators (101)


    Part NumberVIN
    (V)
    VIN
    (V)
    VOUT1
    (V)
    VOUT1
    (V)
    Preset VOUT
    (V)
    Output Adjust. MethodSwitch TypePower Good SignalSynchronous SwitchingICC
    (mA)
    Shutdown Mode Supply Current
    (µA)
    Shutdown Mode Supply Current
    (µA)
    DC-DC OutputsOper. Freq.
    (kHz)
    Design ToolsPackage/Pins
    minmaxminmaxtyptypmax
    MAX25200 NEW!2423.365
    3.3
    5
    12
    15
    ResistorExternalYes-0.023.5101
    210
    250
    300
    350
    400
    480
    500
    600
    625
    640
    1000
    1200
    1400
    2000
    2100
    2200
    EE-Sim
    TQFN-CU/16
    MAX25201 NEW!Yes
    TQFN-CU/16

    Pricing Notes:
    价格仅供参考,用于同类产品的比较。所提供报价为美元,需要依汇率折合成人民币。该价格将因当地关税、税率和汇率而异。有关特定订购量和指定版本的报价和供货问题,请参考:价格与供货网站或与指定代理商联系。

    MAX25201EVKIT: Evaluation Kit for the MAX25200/MAX25201

    质量和环境数据

    申请可靠性报告: MAX25201 
    无铅封装的锡(Sn)晶须报告

    工具和模型

  • EE-Sim: MAX25201 设计和仿真
  • 型号   生产流程   工艺   样本量   不合格   FIT @ 25°C   FIT @ 55°C   Material Composition  

    备注: 通过技术手段对故障率进行汇总,并映射到相关的材料部件号。 故障率与被测件的数量密切相关。

    质量管理体系 >
    环境管理体系 >

     
    Status:
    Package:
    Temperature:

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