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MAX865EUA from MAXIM,MAXIM - Dallas Semiconductor

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MAX865EUA

Manufacturer: MAXIM, MAX

Compact / Dual-Output Charge Pump

Partnumber Manufacturer Quantity Availability
MAX865EUA MAXIM, MAX 348 In Stock

Description and Introduction

Compact / Dual-Output Charge Pump The MAX865EUA is a 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 from Ic-phoenix technical data files:  

### **Specifications:**  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Output Voltage Range:** Adjustable from 1.25V to 5.5V  
- **Output Current:** Up to 600mA  
- **Switching Frequency:** 1MHz (fixed)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin µMAX (Ultra-small outline)  

### **Descriptions:**  
The MAX865EUA is a high-efficiency, step-down DC-DC converter designed for low-power applications. It integrates a synchronous rectifier, reducing the need for external diodes, and operates at a fixed 1MHz switching frequency, allowing for small external components. The device is optimized for battery-powered systems, portable electronics, and other space-constrained applications.  

### **Features:**  
- **High Efficiency:** Up to 95% efficiency with synchronous rectification.  
- **Low Dropout Operation:** Maintains regulation even when the input voltage is close to the output voltage.  
- **Low Quiescent Current:** 40µA (typical) in shutdown mode, extending battery life.  
- **Pulse-Width Modulation (PWM) Operation:** Ensures stable performance across load variations.  
- **Overcurrent and Thermal Protection:** Built-in safeguards for reliability.  
- **Small Footprint:** 8-pin µMAX package saves board space.  

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

Application Scenarios & Design Considerations

Compact / Dual-Output Charge Pump

Alternative Part Number

  • LT1054CS8 --: Pin-compatible charge pump voltage converter in SO-8 with similar input/output range; widely available and well documented.
  • ICL7660SCPA --: Classic charge pump inverter offering comparable voltage conversion function; DIP-8 package but electrically similar and easy to substitute in many designs.
  • TC7660EOA --: SO-8 charge pump voltage converter with similar functionality and supply range; good second-source option for MAX865 applications.

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