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MAX20011

MAX20011

Automotive Single 8A/12A Step-Down Converter with High Efficiency

High-Efficiency, Synchronous Step-Down 8A/12A Converters with a 3V to 5.5V Input Voltage

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概述

说明

The MAX20011 is a family of high-efficiency, synchronous step-down converters that operate with a 3.0V to 5.5V input voltage range and supply a 0.5V to 1.275V output voltage range. The wide input/output voltage range and the ability to provide up to 12A peak output current make this device family ideal for on-board point-of-load and post-regulation applications. The MAX20011 achieves ±1.5% output error over load, line, and temperature ranges.

The MAX20011 features a 2.2MHz fixed-frequency PWM mode for better noise immunity and load-transient response. The 2.2MHz frequency operation allows for the use of all ceramic capacitors and minimizes external components. The spread-spectrum frequency modulation option minimizes radiated electromagnetic emissions. Integrated low RDS(ON) switches improve efficiency at heavy loads and make layout simpler than discrete solutions.

The MAX20011 is offered with factory-preset output voltage. See the Selector Guide for options. The I2C interface supports dynamic voltage adjustment with programmable slew rates. Other features include programmable soft-start, overcurrent, and overtemperature protections.

关键特性

  • High-Efficiency DC-DC Converter
  • Up to 12A peak output current:
    • MAX20011A: 8A
    • MAX20011B: 12A
  • Differential Remote Voltage Sensing
  • 3.0V to 5.5V Operating Supply Voltage
  • I2C-Controlled Output Voltage: 0.5V to 1.275V in 6.25mV Steps
  • Excellent Load-Transient Performance
  • Programmable Compensation
  • 2.2MHz or 1.1MHz Operation
  • ±1.5% Output-Voltage Accuracy
  • Active-Low RESET Output
  • Current Mode, Forced PWM Operation
  • ASIL D Compliant:
    • Redundant Reference
    • BIST Diagnostics
    • PEC on I2C
    • Programmable OV/UV with ±1% Accuracy
  • Overtemperature and Short-Circuit Protection
  • 3.5mm x 3.75mm 17-Pin Side-Wettable FC2QFN
  • -40°C to +125°C Grade 1 Automotive Temperature Range

应用

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设计资源


MAX20011BEVKIT: Evaluation Kit for the MAX20011

质量和环境数据

申请可靠性报告: MAX20011 
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工具和模型

  • EE-Sim: MAX20011 设计和仿真

    • 质量与环境

    型号   生产流程   工艺   样本量   不合格   FIT @ 25°C   FIT @ 55°C  

    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。

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    工具和模型

    参考设计

    类型 编号 标题
    评估板10370MAX20011BEVKIT Evaluation Kit for the MAX20011