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MAX1761EEE from MAX1M,MAXIM - Dallas Semiconductor

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MAX1761EEE

Manufacturer: MAX1M, MAXIM, MAXIN

Small, Dual, High-Efficiency Buck Controller for Notebooks
Partnumber Manufacturer Quantity Availability
MAX1761EEE MAX1M, MAXIM, MAXIN 4512 In Stock

Description and Introduction

Small, Dual, High-Efficiency Buck Controller for Notebooks The MAX1761EEE is a high-efficiency, step-down DC-DC converter manufactured by Maxim Integrated (now part of Analog Devices). Below are its specifications, descriptions, and features based on factual information:

### **Specifications:**  
- **Input Voltage Range:** 4V to 28V  
- **Output Voltage Range:** 1.25V to 5.5V (adjustable)  
- **Output Current:** Up to 1A  
- **Switching Frequency:** 300kHz  
- **Efficiency:** Up to 96%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-QSOP  

### **Descriptions:**  
The MAX1761EEE is a synchronous step-down DC-DC converter designed for high efficiency and compact power supply solutions. It integrates both high-side and low-side MOSFETs, reducing external component count. The device operates over a wide input voltage range, making it suitable for industrial, automotive, and battery-powered applications.  

### **Features:**  
- **Integrated Power MOSFETs** – Reduces external component requirements.  
- **High Efficiency** – Up to 96% efficiency with synchronous rectification.  
- **Adjustable Output Voltage** – Set via external resistors.  
- **Low Quiescent Current** – 40µA (typical) in shutdown mode.  
- **Soft-Start Function** – Limits inrush current during startup.  
- **Overcurrent and Thermal Protection** – Enhances reliability.  
- **Wide Input Voltage Range** – Supports 4V to 28V input.  

This information is based solely on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

Small, Dual, High-Efficiency Buck Controller for Notebooks

Alternative Part Number

  • TPS54231D --: Wide-input step-down converter in SOIC-8 with comparable current capability, a common drop-in style replacement for MAX1761-class regulators.
  • LM2596S-ADJ --: Adjustable buck regulator in a similar package with higher current rating, widely available and often used where MAX1761 is specified.
  • MP1584EN --: Compact high-efficiency step-down converter with adjustable output, suitable as a functional substitute when board space and layout allow.
  • TPS51116PWP --: DDR memory power supply controller with similar dual-output regulation function, widely available and well documented.
  • ISL6537CRZ --: Integrated DDR power controller offering comparable multi-rail regulation suitable as a functional substitute.
  • LTC3717EGN --: Synchronous buck controller with similar voltage-mode regulation capability for comparable power supply designs.
  • RT9173DGS --: DDR bus termination regulator providing VTT tracking and reference outputs, suitable drop-in functional replacement where full controller features are not required.

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