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MAX17233ETIR+T

更新时间： 2024-11-20 15:43:07
品牌 Logo 应用领域
美信 - MAXIM 开关
页数 文件大小 规格书
24页 1450K
描述
3.5V 36V, 2.2MHZ, SYNCHRONOUS DU

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中文翻译

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MAX17233ETIR+T 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active包装说明：,
Reach Compliance Code：compliant风险等级：5.77
模拟集成电路 - 其他类型：DUAL SWITCHING CONTROLLER峰值回流温度（摄氏度）：NOT SPECIFIED
处于峰值回流温度下的最长时间：NOT SPECIFIEDBase Number Matches：1

MAX17233ETIR+T 数据手册

 浏览型号MAX17233ETIR+T的Datasheet PDF文件第2页浏览型号MAX17233ETIR+T的Datasheet PDF文件第3页浏览型号MAX17233ETIR+T的Datasheet PDF文件第4页浏览型号MAX17233ETIR+T的Datasheet PDF文件第5页浏览型号MAX17233ETIR+T的Datasheet PDF文件第6页浏览型号MAX17233ETIR+T的Datasheet PDF文件第7页 
EVALUATION KIT AVAILABLE  
MAX17232/MAX17233  
3.5V–36V, 2.2MHz, Synchronous Dual Buck Con-  
troller with 20µA Quiescent Current  
General Description  
Benefits and Features  
● Eliminates External Components and Reduces Total Cost  
• No Schottky-Synchronous Operation for High  
Efficiency and Reduced Cost  
The MAX17232/MAX17233 offers dual synchronous step-  
down DC-DC controllers with integrated MOSFETs. They  
operates over a 3.5V to 36V input voltage range with 42V  
input transient protection, and can operate in dropout  
condition by running at 95% duty cycle. The controllers  
can generate fixed output voltages of 3.3V/5V, along with  
the capability 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  
• 180° Out-of-Phase Operation Reduces Output  
Ripple and Enables Cascaded Power Supplies  
● Reduces Number of DC-DC Controllers to Stock  
• Fixed Output Voltage with ±1% Accuracy (5V/3.3V)  
or Externally Resistor Adjustable (1V to 10V)  
• 220kHz to 2.2MHz Adjustable Frequency with  
External Synchronization  
These devices use a current-mode-control architecture.  
The devices can be operated in 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. The low-resistance, on-chip  
MOSFETs ensure high efficiency at full load and simplify  
the layout.  
• Frequency Synchronization Input  
● Reduces Power Dissipation  
• 92% Peak Efficiency  
• 8μA (typ) in Shutdown  
• 20μA (typ) Quiescent Current in PFM Mode  
The devices are available in a 28-pin TQFN-EP package  
with exposed pad, and are specified for operation over  
-40°C to +85°C.  
● Operates Reliably  
• 42V Input Voltage Transient Protection  
• Cycle-by-Cycle Current Limit, Thermal Shutdown  
• Supply Overvoltage and Undervoltage Lockout  
• Power-OK Monitor  
Applications  
● Distributed Supply Regulation  
● Wall Transformer Regulation  
● General-Purpose Point-of-Load  
• Reduced EMI Emission with Spread-Spectrum Control  
• 50ns (typ) Minimum On-Time Guarantees PWM  
Operation at Low Duty Cycle at 2.2MHz  
•
Ordering Information and Selector Guide appears at end of  
data sheet.  
19-8366; Rev 1; 10/17  
1234567...24

中文翻译

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MAX17233ETIR+T 替代型号

型号 品牌 替代类型 描述 数据表
MAX17233ETIR+ MAXIM

完全替代

 Dual Switching Controller,

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