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MAX1876AEEG from MAXIM,MAXIM - Dallas Semiconductor

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MAX1876AEEG

Manufacturer: MAXIM, MAX

Dual 180 Out-of-Phase Buck Controllers with Sequencing/Prebias Startup and POR
Partnumber Manufacturer Quantity Availability
MAX1876AEEG MAXIM, MAX 1000 In Stock

Description and Introduction

Dual 180 Out-of-Phase Buck Controllers with Sequencing/Prebias Startup and POR The MAX1876AEEG is a step-down DC-DC converter manufactured by Maxim Integrated (now part of Analog Devices). Below are its key specifications, descriptions, and features based on factual data:

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 23V  
- **Output Voltage Range:** Adjustable from 1.25V to 18V  
- **Output Current:** Up to 500mA  
- **Switching Frequency:** 500kHz  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-pin QSOP  

### **Descriptions:**  
The MAX1876AEEG is a high-efficiency, step-down DC-DC converter designed for applications requiring a regulated voltage lower than the input supply. It integrates a synchronous rectifier to improve efficiency and reduce external component count. The device is suitable for battery-powered systems, portable electronics, and industrial applications.  

### **Features:**  
- **Synchronous Rectification:** Enhances efficiency and reduces power dissipation.  
- **Adjustable Output Voltage:** Set via external resistors.  
- **Low Dropout Operation:** Allows the output to remain stable even when the input voltage approaches the output voltage.  
- **Soft-Start Function:** Prevents inrush current during startup.  
- **Overcurrent and Thermal Protection:** Safeguards the device under fault conditions.  
- **Low Quiescent Current:** Improves battery life in portable applications.  

This information is derived from the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

Dual 180 Out-of-Phase Buck Controllers with Sequencing/Prebias Startup and POR

Alternative Part Number

  • TPS51116PWP --: DDR memory power supply controller with similar dual-buck architecture and tracking, a common cross for MAX1876 in DDR termination applications.
  • ISL6537CRZ --: Integrated DDR power controller providing VDDQ, VTT and tracking, functionally comparable to the MAX1876 with wide availability.
  • RT9173DGS --: DDR bus termination regulator with tracking reference, suitable as a lower-cost alternative for the termination function of the MAX1876.
  • TPS65263 --: Triple synchronous buck converter with similar multi-rail power management function and wide input range, suitable as a functional replacement in power sequencing designs.
  • ADP5054 --: Quad-channel buck regulator PMIC offering comparable multi-output power management capability and flexible sequencing control.
  • ISL6237 --: Dual synchronous buck controller with similar power management role for multi-rail supplies, usable as an alternative with layout adjustments.

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