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MAX20404

更新时间： 2024-09-17 14:57:47
品牌 Logo 应用领域
亚德诺 - ADI 转换器
页数 文件大小 规格书
26页 4286K
描述
汽车级36V、4A/5A/6A完全集成式同步降压转换器

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MAX20404 数据手册

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EVALUATION KIT AVAILABLE  
Click here to ask an associate for production status of specific part numbers.  
Automotive 36V, 4A/5A/6A, Fully Integrated  
Synchronous Silent Switcher Buck Converters  
MAX20404/MAX20405/  
MAX20406  
General Description  
Benefits and Features  
The MAX20404/MAX20405/MAX20406/MAX20406E ICs  
are tiny, low EMI emission, synchronous Silent Switcher  
● Silent Switcher Converter  
®
• Enables Compact, Efficient, Low-EMI Solution  
• Spread-Spectrum Frequency Modulation  
• Symmetrical Package Offers Superior EMI  
Performance  
buck converters with integrated high-side and low-side  
switches. The ICs are designed to deliver up to 6A with  
wide input voltages range from 3V to 36V. Voltage quality  
can be monitored by observing the PGOOD signal. The  
MAX20404/MAX20405/MAX20406/MAX20406E can op-  
erate in dropout by running at 99% duty cycle, making it  
ideal for automotive and industrial applications.  
• CISPR 25 Class 5-Compliant EV Kit  
● Multiple Functions for Small Size  
• Operating V Range of 3V to 36V  
IN  
• 10μA Quiescent Current in Skip Mode  
• Synchronous DC-DC Converter with Integrated  
FETs  
• 400kHz, 2.1MHz, 2.3MHz, and 3MHz Fixed-  
Frequency Options  
The MAX20404/MAX20405/MAX20406/MAX20406E offer  
programmable or fixed output voltages of 5V and 3.3V.  
Frequency is internally fixed at 2.1MHz (or 400kHz,  
2.3MHz, or 3MHz) which allows for small external com-  
ponents, reduced output ripple, and guarantees no AM  
interference. The MAX20404/MAX20405/MAX20406/  
MAX20406E automatically enter skip mode at light loads  
with ultra-low quiescent current of 10μA at no load. This  
family of products (including the MAX20408/MAX20410)  
offers a pin-to-pin compatible offering from 4A to 10A in a  
single-phase configuration, and up to 20A in a dual-phase  
configuration. These devices have also been optimized for  
dual-phase operation with very high current sharing accu-  
racy. These devices can be ordered with spread-spectrum  
frequency modulation designed to minimize EMI-radiated  
emissions due to the modulation frequency.  
• Fixed 2.5ms Internal Soft-Start  
• Programmable 0.8V to 10V Output, or Fixed-Output  
Voltages of 3.3V, 3.9V, 4.2V, and 5.0V  
• Other Fixed-Output Options Available between 2.9V  
to 6V in 100mV Steps  
• 3.5mm x 3.75mm, 17-Pin and 15-Pin FC2QFN  
● Dual-Phase Capability  
• Can Be Used in Dual-Phase Configuration for High-  
Power Design  
• Dynamic Current Sharing through Shared VEA Pin  
• Low-I Operation Capability in Dual Phase  
Q
● High Precision  
The MAX20404/MAX20405/MAX20406/MAX20406E are  
available in a small 3.5mm x 3.75mm, 17-pin and 15-pin  
FC2QFN packages and use very few external compo-  
nents.  
• ±1% Output-Voltage Accuracy in FPWM Mode at  
No Load  
• Precise Output Voltage Monitoring with PGOOD  
● Robust for the Automotive Environment  
• Forced-PWM and Skip-Mode Operation  
• 99% Duty-Cycle Operation with Low Dropout  
• Overtemperature and Short-Circuit Protection  
• -40°C to +125°C Operating Temperature Range  
• 42V Load-Dump Tolerant  
Applications  
● Automotive  
• Infotainment Systems  
• ADAS and Other Safety-Critical Applications  
● Industrial  
• AEC-Q100 Qualified  
● High-Voltage DC-DC Converters  
Silent Switcher is a registered trademark of Analog Devices, Inc.  
19-100996; Rev 10; 8/23  
Ordering Information appears at end of data sheet.  
© 2023 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners.  
One Analog Way, Wilmington, MA 01887 U.S.A. | Tel: 781.329.4700 | © 2023 Analog Devices, Inc. All rights reserved.  
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