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MAX20411 - Automotive High-Efficiency Single 16A/22A/30A/40A Step-Down Converter

General Description

The MAX20411 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.

Key Features

  • a 2.1MHz fixed-frequency PWM mode for better noise immunity and load-transient response. The 2.1MHz 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. This device features the MAXQ® power architecture, which provides precision transient perfo.

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Datasheet Details

Part number MAX20411
Manufacturer Analog Devices
File Size 299.71 KB
Description Automotive High-Efficiency Single 16A/22A/30A/40A Step-Down Converter
Datasheet download datasheet MAX20411 Datasheet

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Full PDF Text Transcription (Reference)

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Automotive High-Efficiency Single 16A/22A/30A/40A Step-Down Converter Family MAX20411 General Description The MAX20411 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 40A peak output current make this device family ideal for on-board point-of-load and post-regulation applications. The MAX20411 achieves as low as ±0.75% output error over load, line, and temperature ranges. The MAX20411 features a 2.1MHz fixed-frequency PWM mode for better noise immunity and load-transient response. The 2.1MHz frequency operation allows for the use of all ceramic capacitors and minimizes external components.