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MAX863EEE from MAX,MAXIM - Dallas Semiconductor

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MAX863EEE

Manufacturer: MAX, MAXIM

Dual / High-Efficiency / PFM / Step-Up DC-DC Controller

Partnumber Manufacturer Quantity Availability
MAX863EEE MAX, MAXIM 468 In Stock

Description and Introduction

Dual / High-Efficiency / PFM / Step-Up DC-DC Controller The MAX863EEE is a step-up DC-DC converter manufactured by Maxim Integrated. Below are its specifications, descriptions, and features based on factual information:  

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Type:** Step-Up (Boost) DC-DC Converter  
- **Input Voltage Range:** 0.7V to 5.5V  
- **Output Voltage Range:** Adjustable from 2V to 5.5V  
- **Output Current:** Up to 300mA (depending on input/output conditions)  
- **Switching Frequency:** 500kHz  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-QSOP (QSOP-16)  

### **Descriptions:**  
The MAX863EEE is a high-efficiency, low-voltage, step-up DC-DC converter designed for battery-powered applications. It features an internal N-channel MOSFET switch and operates from input voltages as low as 0.7V, making it suitable for single-cell or dual-cell alkaline/NiMH battery systems.  

### **Features:**  
- **Low Start-Up Voltage:** Operates down to 0.7V  
- **Adjustable Output Voltage (2V to 5.5V)**  
- **Internal 0.5Ω N-Channel MOSFET Switch**  
- **Low Quiescent Current (50µA typical)**  
- **Pulse-Frequency Modulation (PFM) for High Efficiency at Light Loads**  
- **Soft-Start Function to Limit Inrush Current**  
- **Overcurrent Protection**  
- **Compact 16-QSOP Package**  

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

Application Scenarios & Design Considerations

Dual / High-Efficiency / PFM / Step-Up DC-DC Controller

Alternative Part Number

  • LTC3406ES5 --: High-efficiency synchronous step-up DC-DC converter in a small SOT-23 package, functionally similar to the MAX863 dual step-up converter for low-voltage boost applications.
  • TPS61020DRB --: Boost converter with integrated switch and similar input/output voltage range, suitable drop-in for low-power step-up regulation where the MAX863 is used.
  • NCP1402SN33T1 --: Compact PFM step-up DC-DC converter providing a fixed 3.3V output, a practical alternative for battery-powered boost designs using the MAX863.
  • LTC3405AES6 --: High-efficiency synchronous step-up DC-DC converter in a small SOT-23 package, functionally similar to the MAX863 dual step-up converter for low-voltage portable applications.
  • TPS61030PW --: Boost converter with integrated switch and high output current capability, suitable as a drop-in functional replacement in battery-powered designs.
  • NCP1402SN50T1 --: Compact PFM step-up DC-DC converter for single-cell battery applications, offering similar boost regulation in a small package.

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