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LM3502SQ-25 from NS,National Semiconductor

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LM3502SQ-25

Manufacturer: NS

Step-Up Converter for White LED Applications

Partnumber Manufacturer Quantity Availability
LM3502SQ-25,LM3502SQ25 NS 92 In Stock

Description and Introduction

Step-Up Converter for White LED Applications The LM3502SQ-25 is a step-down DC-DC converter manufactured by National Semiconductor (NS). Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:  

### **Specifications:**  
- **Input Voltage Range:** 4V to 30V  
- **Output Voltage:** 2.5V (fixed)  
- **Output Current:** Up to 1.5A  
- **Switching Frequency:** 550kHz (typical)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 10-pin LLP (Leadless Leadframe Package)  

### **Descriptions:**  
The LM3502SQ-25 is a high-efficiency, step-down (buck) DC-DC converter designed for applications requiring a regulated 2.5V output. It integrates a high-side P-channel MOSFET and is optimized for low-power, space-constrained designs.  

### **Features:**  
- **Integrated Power MOSFET** (P-channel switch)  
- **Low Quiescent Current:** 40µA (typical)  
- **Adjustable Soft-Start**  
- **Thermal Shutdown Protection**  
- **Undervoltage Lockout (UVLO)**  
- **Cycle-by-Cycle Current Limiting**  
- **Small Footprint (LLP-10 Package)**  

This information is strictly based on the manufacturer's datasheet and does not include additional recommendations or guidance.

Application Scenarios & Design Considerations

Step-Up Converter for White LED Applications

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