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MAX1678EUA from MAX,MAXIM - Dallas Semiconductor

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MAX1678EUA

Manufacturer: MAX, MAXIM

1-Cell to 2-Cell / Low-Noise / High-Efficiency / Step-Up DC-DC Converter

Partnumber Manufacturer Quantity Availability
MAX1678EUA MAX, MAXIM 366 In Stock

Description and Introduction

1-Cell to 2-Cell / Low-Noise / High-Efficiency / Step-Up DC-DC Converter The MAX1678EUA is a step-up 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:**  
- **Manufacturer:** Maxim Integrated  
- **Type:** Step-Up DC-DC Converter  
- **Input Voltage Range:** 0.7V to 5.5V  
- **Output Voltage:** Adjustable (up to 5.5V) or fixed (3.3V or 5V)  
- **Output Current:** Up to 300mA (depending on input/output conditions)  
- **Switching Frequency:** 500kHz  
- **Efficiency:** Up to 94%  
- **Package:** 8-pin µMAX (MSOP)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
The MAX1678EUA is a high-efficiency, low-power, step-up DC-DC converter designed for battery-powered applications. It can boost very low input voltages (as low as 0.7V) to a higher regulated output voltage (up to 5.5V). It is commonly used in portable electronics, such as handheld devices, where extended battery life is critical.  

### **Features:**  
- **Low Start-Up Voltage:** Operates down to 0.7V  
- **High Efficiency:** Up to 94%  
- **Adjustable or Fixed Output Voltage Options**  
- **Low Quiescent Current:** 16µA (typical)  
- **Internal MOSFET Switch**  
- **Small Footprint:** 8-pin µMAX package  
- **Overcurrent Protection**  
- **Soft-Start Feature**  

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

Application Scenarios & Design Considerations

1-Cell to 2-Cell / Low-Noise / High-Efficiency / Step-Up DC-DC Converter

Alternative Part Number

  • TPS61200DRLR --: Boost converter in a small package with similar input voltage range and current capability, suitable drop-in functional replacement.
  • LTC3525ESC6-3.3 --: Low-voltage synchronous boost converter with comparable efficiency and compact footprint, good alternative for portable designs.
  • NCP1402SN33T1G --: Simple 3.3V boost regulator with wide availability and similar switching characteristics for low-power applications.

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