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MAX1678EUA+T from MAXIM,MAXIM - Dallas Semiconductor

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MAX1678EUA+T

Manufacturer: MAXIM, MAX

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

Partnumber Manufacturer Quantity Availability
MAX1678EUA+T,MAX1678EUAT MAXIM, MAX 6314 In Stock

Description and Introduction

1 Cell to 2 Cell, Low-Noise, High-Efficiency, Step-Up DC-DC Converter The MAX1678EUA+T is a step-up DC-DC converter manufactured by Maxim Integrated (now part of Analog Devices). Below are its factual specifications, descriptions, and features:

### **Manufacturer:**  
MAXIM (Maxim Integrated)  

### **Part Number:**  
MAX1678EUA+T  

### **Description:**  
The MAX1678 is a high-efficiency, step-up DC-DC converter designed for low-input-voltage applications. It is optimized for battery-powered systems and provides a regulated output voltage from a single-cell or dual-cell input.  

### **Key Features:**  
- **Input Voltage Range:** 0.7V to 5.5V  
- **Adjustable Output Voltage:** Up to 5.5V (set by external resistors)  
- **Output Current:** Up to 300mA (depending on input voltage)  
- **High Efficiency:** Up to 94%  
- **Low Quiescent Current:** 16µA (typical)  
- **Shutdown Mode Current:** <1µA  
- **Switching Frequency:** 500kHz  
- **Internal N-Channel MOSFET Switch**  
- **Soft-Start Function**  
- **Thermal Shutdown Protection**  
- **Package:** 8-pin µMAX (UA)  

### **Applications:**  
- Single-cell or dual-cell battery-powered devices  
- Portable electronics  
- PDAs, handheld instruments  
- Backup power supplies  

### **Package Type:**  
8-pin µMAX (UA)  

This information is sourced from the manufacturer's datasheet and product documentation.

Application Scenarios & Design Considerations

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

Alternative Part Number

  • TPS61020DRCR --: Boost converter in the same low-power class with adjustable output and similar input range; a well-supported alternative from a different series.
  • LT1302CS8 --: Micropower boost converter with comparable input voltage and current capability, suitable for battery-powered step-up designs.
  • NCP1402SN50T1G --: Compact low-power boost regulator with fixed 5V output, usable in similar portable step-up applications at lower cost.
  • LTC3525ESC6-3.3 --: Compact synchronous boost converter with fixed 3.3V output, suitable as a drop-in functional replacement for low-power step-up applications.
  • NCP1402SN33T1G --: Low-cost 3.3V boost converter in a small SOT package, offering similar step-up regulation for portable designs.

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