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MAX20011

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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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产品详情

请参见参数规范 Step-Down Switching Regulators

主要特征

请参见参数规范 Step-Down Switching Regulators
Parametric specs for Step-Down Switching Regulators
VIN (V) (min) 3
VIN (V) (max) 5.5
VOUT1 (V) (min) 0.5
VOUT1 (V) (max) 1.275
IOUT1 (A) (max) 12
Switch Type Internal
Preset VOUT (V) 0.8
Output Adjust. Method Digital/VID
Synchronous Switching? Yes
Power Good Signal Yes
# DC-DC Outputs 1
Switching Frequency (kHz) 1100
2200
Design Tools EE-Sim
Package/Pins FC2QFN/17
Budgetary
Price (See Notes) 		2.1
请参见参数规范 Step-Down Switching Regulators
缩小

简化框图

Technical Docs

数据资料 Automotive Single 8A/12A Step-Down Converter with High Efficiency May 13, 2022

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在Maxim的知识库中搜索技术问题的答案

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参量

Parametric specs for Step-Down Switching Regulators
VIN (V) (min) 3
VIN (V) (max) 5.5
VOUT1 (V) (min) 0.5
VOUT1 (V) (max) 1.275
IOUT1 (A) (max) 12
Switch Type Internal
Preset VOUT (V) 0.8
Output Adjust. Method Digital/VID
Synchronous Switching? Yes
Power Good Signal Yes
# DC-DC Outputs 1
Switching Frequency (kHz) 1100
2200
Design Tools generateDesignEESIMUrl('https://maxim.transim.com/pwm2/designreq/Index?partId=15653', '')
Package/Pins FC2QFN/17
Budgetary
Price (See Notes) 		2.1
See parametric specs for Step-Down Switching Regulators

主要特征

  • 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 C 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/用途

  • Automotive ADAS Systems
  • SoC Core Power

描述

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 Ordering Information table for options. The I2C interface supports dynamic voltage adjustment with programmable slew rates. Other features include programmable soft-start, overcurrent, and overtemperature protections.

简化框图

Technical Docs

数据资料 Automotive Single 8A/12A Step-Down Converter with High Efficiency May 13, 2022

支持和培训

在Maxim的知识库中搜索技术问题的答案

过滤搜索

Maxim的专业工程师团队也会为您解答相应的技术问题，请访问Maxim的 支持中心 。