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MAX25320 PDF预览

MAX25320

更新时间: 2024-11-06 17:00:51
品牌 Logo 应用领域
亚德诺 - ADI 转换器
页数 文件大小 规格书
2页 255K
描述
符合ASIL-D标准要求的双路1A低压降压转换器

MAX25320 数据手册

 浏览型号MAX25320的Datasheet PDF文件第2页 
Data Sheet  
MAX25320  
ASIL D Compliant, Dual 1A Low-Voltage Buck Converter  
General Description  
Benefits and Features  
The MAX25320 is a high-efficiency dual switching regulator  
which delivers up to 1A load current per output from 0.5V to  
1.59375V in 6.25mV steps and 1.6V to 3.6V in 25mV steps.  
The IC operates from a 3.3V supply, making it ideal for  
on-board point-of-load and post regulation applications. Total  
output error is less than ±1% over load, line, and temperature.  
High Feature Set in Small Footprint  
High-Efficiency, Dual 1A DC-DC Converters  
• 3.3V Operating Supply Voltage  
• Factory Preset Output Voltage  
• 2.1MHz Switching Frequency  
• Individual Enable Inputs  
RESET and INT Open-Drain Outputs  
• Spread-Spectrum Oscillator  
• I C Interface  
• Peak Current Mode Architecture  
• PWM and SKIP Mode Operation  
• 4mm x 4mm, 20-Pin TQFN  
The MAX25320 features fixed-frequency PWM mode or SKIP  
mode operation with a switching frequency of 2.1MHz. The  
high-frequency operation allows for an all-ceramic capacitor  
design and also allows for small-size external components.  
2
®
The device features the MAXQ technology, which provides  
precision transient performance and phase margin. This  
allows obtaining the maximum power, performance, and  
precision from the converter over a very wide range of con-  
figurations.  
High Precision  
• ±1% OV/UV Accuracy  
• ±1% Output Voltage Accuracy  
• Excellent Load Transient Performance  
• MAXQ Power Architecture  
The MAX25320 provides an enable input and output. The  
output voltage is preset at the factory to allow customers to  
achieve ±1% output-voltage accuracy without using expensive  
0.1% resistors. The device offers factory-programmable soft-  
start and RESET times.  
● ASIL D Compliant  
• Redundant Reference  
BIST Diagnostics  
2
• PEC on I C  
The device includes overtemperature shutdown and overcur-  
rent limiting. It is designed to operate from -40°C to +125°C  
ambient temperature range.  
• Programmable OV/UV Thresholds  
High Efficiency  
Up to 91% Efficiency 3.3V to 1.8V  
Up to 85% Efficiency 3.3V to 0.825V  
Applications  
Secondary Regulator for SoC/MCU Supply  
-40°C to +125°C Operating Temperature Range  
AEC-Q100 Qualified  
Visit Web Support to complete the nondisclosure agreement (NDA) required to receive additional product information.  
Rev. 1  
Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices  
DOCUMENT FEEDBACK  
for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications subject to change  
without notice. No license is granted by implicationor otherwise under any patent or patent rights of Analog Devices. Trademarks andregistered  
trademarks are the property of their respective owners.  
TECHNICAL SUPPORT  

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