概览

优势和特点

  • High Efficiency DC-DC Converter
  • Up to 16A Peak Output Current
    • MAX20011E: IMAX = 8A
    • MAX20011F: IMAX = 12A
    • MAX20011G: IMAX = 16A
  • 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 (Full Range)
  • ±1% Output Voltage Accuracy (Fixed 1V)
  • 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 4mm, 17-Pin Side-Wettable FC2QFN
  • -40°C to +125°C Grade 1 Automotive Temperature Range

产品详情

The MAX20011E/MAX20011F/MAX20011G are 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 ability to provide up to 16A peak output current make these devices ideal for on-board point-of-load and post-regulation applications. The MAX20011E/MAX20011F/MAX20011G achieve ±1.5% output error over load, line, and temperature ranges.

The MAX20011E/MAX20011F/MAX20011G feature 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 MAX20011E/MAX20011F/MAX20011G are offered with factory-preset output voltage. The I2C interface supports dynamic voltage adjustment with programmable slew rates. Other features include programmable soft-start, overcurrent, and overtemperature protections.

Applications

  • Automotive ADAS Systems
  • SoC Core Power

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