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MAX17243ETPA+

更新时间： 2024-09-18 18:43:59
品牌 Logo 应用领域
美信 - MAXIM 信息通信管理开关输出元件
页数 文件大小 规格书
18页 557K
描述
Switching Regulator,

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中文翻译

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MAX17243ETPA+ 技术参数

是否Rohs认证： 符合生命周期：Active
包装说明：HVQCCN,Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
Factory Lead Time：16 weeks风险等级：5.7
其他特性：ADJUSTABLE OUTPUT VOLTAGE FROM 1 TO 10V; ALSO WORKS IN PFM MODE模拟集成电路 - 其他类型：SWITCHING REGULATOR
控制模式：CURRENT-MODE控制技术：PULSE WIDTH MODULATION
最大输入电压：36 V最小输入电压：3.5 V
标称输入电压：14 VJESD-30 代码：S-XQCC-N20
长度：5 mm功能数量：1
端子数量：20最高工作温度：85 °C
最低工作温度：-40 °C最大输出电流：6.25 A
标称输出电压：5 V封装主体材料：UNSPECIFIED
封装代码：HVQCCN封装形状：SQUARE
封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度（摄氏度）：NOT SPECIFIED
座面最大高度：0.8 mm表面贴装：YES
切换器配置：BUCK最大切换频率：2200 kHz
技术：BICMOS温度等级：INDUSTRIAL
端子形式：NO LEAD端子节距：0.65 mm
端子位置：QUAD处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：5 mmBase Number Matches：1

MAX17243ETPA+ 数据手册

 浏览型号MAX17243ETPA+的Datasheet PDF文件第2页浏览型号MAX17243ETPA+的Datasheet PDF文件第3页浏览型号MAX17243ETPA+的Datasheet PDF文件第4页浏览型号MAX17243ETPA+的Datasheet PDF文件第5页浏览型号MAX17243ETPA+的Datasheet PDF文件第6页浏览型号MAX17243ETPA+的Datasheet PDF文件第7页 
EVALUATION KIT AVAILABLE  
MAX17242/MAX17243  
3.5V–36V, 2A/3A, Synchronous Buck Converter  
with 15µA Quiescent Current and Reduced EMI  
General Description  
Benefits and Features  
● Eliminates External Components and Reduces Total Cost  
•ꢀ No Schottky-Synchronous Operation for High  
EfficiencyꢀandꢀReducedꢀCost  
The MAX17242/MAX17243 high-efficiency, synchronous  
step-down DC-DC converters with integrated MOSFETs  
operates over a 3.5V to 36V input voltage range, and  
can operate in drop-out condition by running at 99% duty  
cycle. The converters deliver up to 2A (MAX17242) and  
3A (MAX17243) output current and generate fixed output  
voltages of 3.3V/5V, along with the ability to program the  
output voltage between 1V to 10V.  
•ꢀ Simple external RC Compensation for Stable  
Operation at Any Output Voltage  
•ꢀ All-Ceramic Capacitor Solution: Ultra-Compact  
Layout with as Few as Eight External Components  
•ꢀ PGOOD Output and High-Voltage EN Input  
Simplify Power Sequencing  
The devices use a current-mode-control architecture and  
can be operated in the pulse-width modulation (PWM)  
or pulse-frequency modulation (PFM) control schemes.  
PWM operation provides constant frequency operation at  
all loads, and is useful in applications sensitive to switching  
frequency. PFM operation disables negative inductor  
current and additionally skips pulses at light loads for  
high-efficiency operation. The low-resistance, on-chip  
MOSFETs ensure high efficiency at full load and simplify  
the layout.  
● Reduces Number of DC-DC Converters to Stock  
•ꢀ Pin Compatibility for 2A/3A Options  
•ꢀ Fixed Output Voltage with ±2% Accuracy (5V/3.3V)  
or Externally Resistor Adjustable (1V to 10V) with  
±1% FB Accuracy  
•ꢀ 220kHz to 2.2MHz Adjustable Frequency with  
External Synchronization  
● Reduces Power Dissipation  
•ꢀ 93%ꢀPeakꢀEfficiency  
•ꢀ Shutdown Feature Blocks Current Flow from Input-  
to-Output or Vice-Versa  
•ꢀ LessꢀThanꢀ5μAꢀ(typ)ꢀinꢀShutdown  
•ꢀ Lowꢀ15μAꢀ(typ)ꢀQuiescentꢀCurrentꢀinꢀStandbyꢀ  
Mode  
The devices are available in a compact 20-pin (5mm x 5mm)  
TQFN package with exposed pad. These parts are rated for  
-40°C to +85°C operation.  
Applications  
● Operates Reliably  
● Distributed Supply Regulation  
● Wall Transformer Regulation  
● General-Purpose Point-of-Load  
•ꢀ 42V Input Voltage Transient Protection  
•ꢀ Fixed 8ms Internal Software Start Reduces Input  
Inrush Current  
•ꢀ Cycle-by-Cycle Current Limit, Thermal Shutdown  
with Automatic Recovery  
Ordering Information appears at end of data sheet.  
•ꢀ Reduced EMI Emission with Spread-Spectrum Control  
19-7767; Rev 0; 10/15  
1234567...18

中文翻译

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