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LM2704MFX-ADJ from NS国半,National Semiconductor

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LM2704MFX-ADJ

Manufacturer: NS国半

Micropower Step-up DC/DC Converter with 550mA Peak Current Limit

Partnumber Manufacturer Quantity Availability
LM2704MFX-ADJ,LM2704MFXADJ NS国半 28000 In Stock

Description and Introduction

Micropower Step-up DC/DC Converter with 550mA Peak Current Limit The LM2704MFX-ADJ is a step-up DC-DC converter manufactured by National Semiconductor (NS国半).  

### **Specifications:**  
- **Input Voltage Range:** 2.6V to 14V  
- **Adjustable Output Voltage:** Up to 30V  
- **Output Current:** Up to 1A  
- **Switching Frequency:** 600kHz  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 5-Pin SOT-23  

### **Descriptions:**  
The LM2704MFX-ADJ is a high-efficiency, step-up DC-DC converter designed for applications requiring a regulated output voltage higher than the input supply. It integrates a power switch and features an adjustable output voltage using an external resistor divider.  

### **Features:**  
- **Integrated Power Switch** (1A, 0.25Ω)  
- **Adjustable Output Voltage** via external resistors  
- **Low Quiescent Current** (typically 1.1mA)  
- **Soft-Start Function** to limit inrush current  
- **Thermal Shutdown Protection**  
- **Short-Circuit Protection**  
- **Synchronizable Switching Frequency**  

This device is commonly used in battery-powered systems, LCD bias supplies, and portable electronics requiring a stable high-voltage output.

Application Scenarios & Design Considerations

Micropower Step-up DC/DC Converter with 550mA Peak Current Limit

Alternative Part Number

  • TPS61085DGKR --: Boost converter in the same class as the LM2704, with adjustable output and a different series prefix, making it a clear drop-in style alternative for similar boost applications.
  • AP3012KTR-G1 --: Adjustable boost converter with comparable input and output voltage ranges, offered in a small package and from a different manufacturer series.
  • MIC2288YD5-TR --: Compact adjustable boost regulator with similar current capability and voltage range, providing a distinct alternative series from the original part.

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