MAX20408E

PRODUCTION

Automotive 36V, 8A/10A Fully Integrated Buck Converters with 10μA Quiescent Current and Dual-Phase Capability

Data Sheet (Rev. 14) Product Selection Table

Part Models: 4
1ku List Price: price unavailable

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Overview

High-Power DC/DC Converter in Small Solution Size
- 3.0V to 36V Operating Input Voltage Range
- Integrated High-Side and Low-Side FETs
- 8A/10A Maximum Output Current
- 400kHz and 2.1MHz Fixed Frequency Options
- Fixed 2.5ms Soft-Start Time
- 34ns Minimum On Time
- Programmable 0.8V to 10V Output with 400kHz,0.8V to 6V Output with 2.1MHz, or Fixed Output Options
- ±1.8% Output Voltage Accuracy
- Symmetric and Balanced SUP and PGND Pinout Placement for Superior EMI Performance
- Thermally-Enhanced 3.5mm x 3.75mm, 17-Pin FC2QFN Package
High Efficiency at All Load Range
- 10μA Quiescent Current in Skip Mode
- Up to 94.3% Efficiency at 12V_IN/5V_OUT/2.1MHz
- Up to 95.6% Efficiency at 12V_IN/5V_OUT/400kHz
Dual-Phase Operation up to 20A Load Capability
- Frequency Synchronization Input/Output
- 180º Out-of-Phase Between Master and Slave
- Dynamic Current Sharing
Robust for Automotive Environment
- FPWM and Skip-Mode Operation
- 99% Duty Cycle Operation with Low DropoutVoltage
- Supports 42V Load Dump
- Spread-Spectrum Option
- Power Good Indicator
- Overtemperature and Short-Circuit Protection
- -40°C to +125°C Automotive Temperature Range
- AEC-Q100 Qualified
Scalable Power Solution
- Footprint Compatible with MAX20404/MAX20405/MAX20406

Part Models: 4
1ku List Price: price unavailable

Documentation

Data Sheet 1

MAX20408/MAX20410/MAX20408E/MAX20410E: Automotive 36V, 8A/10A Fully-Integrated Buck Converter with 10μA Quiescent Current and Dual-Phase Capability Data Sheet (Rev.14) 07/16/2026

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model	Pin/Package Drawing	Documentation	CAD Symbols, Footprints, and 3D Models
MAX20408EAFLB/VY+	F153A3FY+3	Material Declaration Reliability Report Package Resources	Ultra Librarian SamacSys
MAX20408EAFLB/VY+T	F153A3FY+3	Material Declaration Reliability Report Package Resources	Ultra Librarian SamacSys
MAX20408EAFOD/VY+	17L FC2QFN 3.5x3.75x0.75	Material Declaration Reliability Report Package Resources	Ultra Librarian SamacSys
MAX20408EAFOD/VY+T	17L FC2QFN 3.5x3.75x0.75	Material Declaration Reliability Report Package Resources	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN

Jun 27, 2025 - 2426A MECHANICAL DATASHEET
		pcn_2426a
MAX20408EAFOD/VY+	PRODUCTION	pcn_2426a

This is the most up-to-date revision of the Data Sheet.

Software Resources

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Tools & Simulations

LTspice

Models for the following parts are available in LTspice:

MAX20408

LTpowerCAD

Design tools for the following parts are available in LTpowerCAD:

MAX20408

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

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