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MAX1876EEG from MAXIM,MAXIM - Dallas Semiconductor

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MAX1876EEG

Manufacturer: MAXIM, MAX

Dual 180 Out-of-Phase PWM Step- Down Controllers with POR

Partnumber Manufacturer Quantity Availability
MAX1876EEG MAXIM, MAX 243 In Stock

Description and Introduction

Dual 180 Out-of-Phase PWM Step- Down Controllers with POR The MAX1876EEG is a high-efficiency, step-down DC-DC converter manufactured by Maxim Integrated (now part of Analog Devices). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** Maxim Integrated (MAXIM)  
- **Part Number:** MAX1876EEG  
- **Package:** 24-pin QSOP (Exposed Pad)  
- **Input Voltage Range:** 4.5V to 28V  
- **Output Voltage Range:** Adjustable from 1.25V to 5.5V  
- **Output Current:** Up to 3A  
- **Switching Frequency:** 300kHz (fixed)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**
- The MAX1876EEG is a synchronous step-down (buck) DC-DC converter designed for high-efficiency power conversion.  
- It integrates both high-side and low-side MOSFETs, reducing external component count.  
- The device is optimized for applications requiring high efficiency and compact PCB space.  

### **Features:**
- **Integrated Power MOSFETs:** Reduces external component requirements.  
- **Adjustable Output Voltage:** Set via an external resistor divider.  
- **PWM Control:** Fixed-frequency operation for predictable noise performance.  
- **Soft-Start Function:** Limits inrush current during startup.  
- **Overcurrent and Thermal Protection:** Safeguards against fault conditions.  
- **Low Dropout Operation:** Maintains regulation even when input voltage approaches output voltage.  
- **Enable/Shutdown Control:** Allows power management via an external logic signal.  

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

Application Scenarios & Design Considerations

Dual 180 Out-of-Phase PWM Step- Down Controllers with POR

Alternative Part Number

  • TPS65130RGER --: Dual-output boost converter with positive and negative rails, similar function to the MAX1876 for LCD bias supplies; widely available and well documented.
  • LT1945EMS --: Dual boost/inverting converter in a small package, comparable topology and output capability, suitable as a functional replacement.
  • ISL98611IIZ --: Integrated LCD bias power supply with positive and negative outputs, matches the application space of the MAX1876 with a different series naming.
  • TPS61170DRVR --: Integrated boost converter with similar input/output voltage range and current capability, suitable functional replacement for MAX1876 in many boost applications.
  • LT1932ES6 --: Constant-current boost LED driver with comparable switching topology and compact package, usable as an alternative in similar power designs.
  • AP3012KTR-G1 --: Low-cost boost converter with similar voltage and current ratings, offering a practical drop-in style alternative for non-critical designs.

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