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MAX1678EUA+T from MAXIM,MAXIM - Dallas Semiconductor

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MAX1678EUA+T

Manufacturer: MAXIM

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

Partnumber Manufacturer Quantity Availability
MAX1678EUA+T,MAX1678EUAT MAXIM 1014 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.

Partnumber Manufacturer Quantity Availability
MAX1678EUA+T MAX 5300 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. Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **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 94%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin µMAX (UA)  

### **Descriptions:**  
The MAX1678EUA+T is a high-efficiency, low-power, step-up DC-DC converter designed for battery-powered applications. It features an internal 0.5A N-channel MOSFET switch and operates with input voltages as low as 0.7V, making it suitable for single-cell or dual-cell battery systems.  

### **Features:**  
- Ultra-low start-up voltage (0.7V)  
- Adjustable or fixed output voltage options  
- Low quiescent current (16µA typical)  
- Internal compensation for simplified design  
- Soft-start functionality to limit inrush current  
- Overcurrent and thermal shutdown protection  

This device is commonly used in portable electronics, medical devices, and energy harvesting applications.  

(Source: Maxim Integrated datasheet)

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