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MAX1714BEEE from MAX,MAXIM - Dallas Semiconductor

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MAX1714BEEE

Manufacturer: MAX, MAXIM, MAXIM, MAXI

High-Speed Step-Down Controller for Notebook Computers

Partnumber Manufacturer Quantity Availability
MAX1714BEEE MAX, MAXIM, MAXIM, MAXI 14103 In Stock

Description and Introduction

High-Speed Step-Down Controller for Notebook Computers The MAX1714BEEE is a step-down controller manufactured by Maxim Integrated (now part of Analog Devices). Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** Maxim Integrated (Analog Devices)  
- **Part Number:** MAX1714BEEE  
- **Package:** 16-QSOP (QSOP-16)  
- **Input Voltage Range:** 4.5V to 28V  
- **Output Voltage Range:** Adjustable from 1.25V to 5.5V  
- **Switching Frequency:** 300kHz (fixed)  
- **Output Current:** Up to 15A (with external MOSFETs)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**
The MAX1714BEEE is a high-efficiency, step-down DC-DC controller designed for high-current, low-voltage applications. It uses an external N-channel MOSFET to regulate the output voltage with high accuracy. The device is optimized for notebook computers, graphics cards, and other power-sensitive applications requiring high efficiency and fast transient response.

### **Features:**
- **High-Efficiency Synchronous Rectification:** Reduces power loss by replacing the Schottky diode with a synchronous MOSFET.  
- **Adjustable Output Voltage:** Set via external resistors.  
- **Soft-Start Function:** Prevents inrush current at startup.  
- **Current-Mode Control:** Provides fast transient response and stable operation.  
- **Overcurrent Protection (OCP):** Uses low-side MOSFET RDS(ON) sensing for accurate current limiting.  
- **Undervoltage Lockout (UVLO):** Ensures proper operation under low input voltage conditions.  
- **Power-Good (PG) Output:** Monitors output voltage status.  
- **Low Shutdown Current:** Typically 10µA when disabled.  

This information is strictly based on the manufacturer's datasheet and specifications.

Application Scenarios & Design Considerations

High-Speed Step-Down Controller for Notebook Computers

Alternative Part Number

  • TPS51116PWP --: DDR memory power supply controller with similar function and voltage regulation, widely available and pin-compatible in many designs.
  • ISL6537CRZ --: Integrated DDR power controller offering comparable multi-output regulation for memory termination applications.
  • RT9173BGS --: DDR bus termination regulator with similar current capability and voltage tracking, suitable as a functional substitute.
  • ISL6227CAZ --: Dual synchronous buck PWM controller with similar function and pin-compatible footprint, widely used as a MAX1714 replacement in notebook power designs.
  • TPS51124RGER --: Dual-channel synchronous buck controller for notebook DDR/VCORE rails, comparable input range and switching architecture, available in QFN package.
  • RT8205LZQW --: Dual synchronous buck controller targeting notebook power supplies, functionally equivalent to MAX1714 with similar voltage-mode control and package options.

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