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MAX25276ATCA/VY+ PDF预览

MAX25276ATCA/VY+

更新时间： 2024-11-20 20:08:43
品牌 Logo 应用领域
美信 - MAXIM 开关
页数 文件大小 规格书
16页 939K
描述
Switching Regulator,

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中文翻译

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MAX25276ATCA/VY+ 技术参数

是否Rohs认证： 符合生命周期：Active
包装说明：,Reach Compliance Code：compliant
Factory Lead Time：6 weeks风险等级：1.7
模拟集成电路 - 其他类型：SWITCHING REGULATOR峰值回流温度（摄氏度）：260
处于峰值回流温度下的最长时间：10Base Number Matches：1

MAX25276ATCA/VY+ 数据手册

 浏览型号MAX25276ATCA/VY+的Datasheet PDF文件第2页浏览型号MAX25276ATCA/VY+的Datasheet PDF文件第3页浏览型号MAX25276ATCA/VY+的Datasheet PDF文件第4页浏览型号MAX25276ATCA/VY+的Datasheet PDF文件第5页浏览型号MAX25276ATCA/VY+的Datasheet PDF文件第6页浏览型号MAX25276ATCA/VY+的Datasheet PDF文件第7页 
EVALUATION KIT AVAILABLE  
Click here for production status of specific part numbers.  
MAX20075/MAX20076/  
MAX25276  
36V, 600mA/1.2A Mini Buck Converter  
General Description  
Benefits and Features  
● Synchronous DC-DC Converter with Integrated FETs  
The MAX20075/MAX20076/MAX25276 are small, syn-  
chronous buck converters with integrated high-side  
and low-side switches. The MAX20076/MAX25276 are  
designed to deliver up to 1.2A and the MAX20075 up  
to 0.6A, with 3.5V to 36V input voltages. The devices  
provide an accurate output voltage of ±2% within the  
normal operation input range of 6V to 18V. With 20ns  
minimum on-time capability, the converter is capable of  
large input-to-output conversion ratios. Voltage quality  
can be monitored by observing the PGOOD signal. The  
devices can operate in dropout by running at 99% duty  
cycle, making them ideal for automotive and industrial  
applications. The devices offer two fixed output voltages  
of 5V and 3.3V. In addition, the devices can be configured  
for 1V to 10V output voltages using an external resistor-  
divider. Frequency is internally fixed at 2.1MHz, which  
allows for small external components and reduced output  
ripple, and guarantees no AM interference. The devices  
offer pin-enabled spread-spectrum-frequency modulation  
designed to minimize EMI-radiated emissions due to the  
modulation frequency.  
• MAX20075 = 0.6A I  
• MAX20076/MAX25276 = 1.2A I  
• For applications requiring low quiescent current/  
skip mode operation, please refer to MAX20075D/  
MAX20076D/MAX25276D. This device is only  
recommended for FPWM operation  
OUT  
OUT  
● 20ns Minimum On-Time Small Solution Size  
Saves Space  
• 2.1MHz Frequency  
• Programmable 1V to 10V Output for the Buck, or  
Fixed 5V/3.3V Options Available  
• Fixed 2.5ms Internal Soft-Start  
• Fixed Output Voltage with ±2% Output Accuracy  
(5V/3.3V), or Externally Resistor Adjustable (1V to  
10V) with ±1.5% FB Accuracy  
• Innovative Current-Mode-Control Architecture  
Minimizes Total Board Space and BOM Count  
● PGOOD Output and High-Voltage EN Input Simplify  
Power Sequencing  
● Protection Features and Operating Range Ideal for  
Automotive Applications  
• 3.5V to 36V Operating V Range  
• 40V Load-Dump Protection  
• 99% Duty-Cycle Operation with Low Dropout  
• -40°C to +125°C Automotive Temperature Range  
• AEC-Q100 Qualified  
The MAX20075/MAX20076/MAX25276 are available in  
small (3mm x 3mm) 12-pin TDFN and side-wettable  
TDFN packages with an exposed pad, and use very few  
external components.  
IN  
Applications  
● Automotive  
● Industrial  
● High-Voltage DC-DC Converters  
Simplified Block Diagram  
SPS SYNC  
REF  
EN  
BST  
SUP  
HVLDO  
BANDGAP  
OSC  
BIAS  
CLK  
CURRENT SENSE  
+
SLOPE COMP  
SOFT-  
START  
Ordering Information appears at end of data sheet.  
LX  
LOGIC  
CONTROL  
BIAS  
OUT  
FB  
PWM  
EAMP  
COMP  
FB  
PGND  
SW1  
VRESET  
MAX20075  
MAX20076  
SW2  
PGOOD  
AGND  
19-8730; Rev 10; 8/19  
1234567...16

中文翻译

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