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MAX867EUA from MAXIM,MAXIM - Dallas Semiconductor

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MAX867EUA

Manufacturer: MAXIM

3.3V/5V or Adjustable-Output / Single-Cell DC-DC Converters

Partnumber Manufacturer Quantity Availability
MAX867EUA MAXIM 44 In Stock

Description and Introduction

3.3V/5V or Adjustable-Output / Single-Cell DC-DC Converters The MAX867EUA is a power management IC (PMIC) manufactured by Maxim Integrated (now part of Analog Devices). Below are its specifications, descriptions, and features based on available data:

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Part Number:** MAX867EUA  
- **Package:** 8-pin µMAX (microMAX)  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Output Voltage:** Adjustable or fixed (depending on configuration)  
- **Output Current:** Up to 500mA (typical)  
- **Switching Frequency:** ~1MHz (typical)  
- **Efficiency:** Up to 95% (depending on load and conditions)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
The MAX867EUA is a high-efficiency, step-up DC-DC converter designed for low-power applications. It integrates a synchronous rectifier to minimize external component count and improve efficiency. The device is optimized for battery-powered systems, such as portable electronics, where extended battery life is critical.  

### **Features:**  
- **Synchronous Rectification:** Improves efficiency and reduces power loss.  
- **Low Quiescent Current:** Typically 20µA, enhancing battery life.  
- **Soft-Start Function:** Prevents inrush current during startup.  
- **Adjustable Output Voltage:** Configurable via external resistors.  
- **Overcurrent Protection:** Safeguards the device and load.  
- **Small Footprint:** 8-pin µMAX package saves board space.  
- **Low Battery Detection:** Optional feature for monitoring input voltage.  

For exact application details, refer to the official datasheet from Maxim Integrated (Analog Devices).

Application Scenarios & Design Considerations

3.3V/5V or Adjustable-Output / Single-Cell DC-DC Converters

Alternative Part Number

  • LTC1144CS8 --: Switched-capacitor voltage converter in an 8-pin SOIC package, functionally similar to the MAX867 charge-pump converter and a common drop-in style replacement.
  • ICL7660SCPA --: Classic CMOS charge-pump voltage converter with comparable input range and current capability, widely used as an alternative to MAX-series charge pumps.
  • TC7660EOA --: Charge-pump voltage converter in SOIC-8 with similar function and pinout family, offering a different series name and good availability.
  • ICL7660CSA --: Classic CMOS charge-pump voltage converter in SOIC-8, widely used as a drop-in style substitute for MAX867-type inverting regulators with similar current capability.

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