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LM2791LD-H from NS,National Semiconductor

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LM2791LD-H

Manufacturer: NS

Current Regulated Switched Capacitor LED Driver with Analog Brightness Control

Partnumber Manufacturer Quantity Availability
LM2791LD-H,LM2791LDH NS 342 In Stock

Description and Introduction

Current Regulated Switched Capacitor LED Driver with Analog Brightness Control The LM2791LD-H is a white LED driver manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Manufacturer:** National Semiconductor (NS)  
- **Type:** White LED Driver  
- **Package:** LLP (Leadless Leadframe Package)  
- **Output Channels:** 1  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Output Current:** Adjustable  
- **Efficiency:** High efficiency charge pump architecture  
- **Switching Frequency:** Fixed frequency operation  
- **Dimming Control:** Available via PWM (Pulse Width Modulation)  
- **Protection Features:** Over-temperature protection, current limiting  

### **Descriptions:**  
The LM2791LD-H is a compact, high-efficiency LED driver designed to power white LEDs in portable applications. It uses a charge pump topology to provide stable current regulation for LED backlighting.  

### **Features:**  
- **Wide Input Voltage Range:** Supports 2.7V to 5.5V  
- **Adjustable LED Current:** Allows brightness control  
- **PWM Dimming:** Enables precise brightness adjustment  
- **Low Dropout Operation:** Maintains efficiency at low input voltages  
- **Small Footprint:** LLP package for space-constrained designs  
- **Thermal Protection:** Prevents overheating  
- **Current Limiting:** Protects LEDs and driver circuitry  

This information is based solely on the provided knowledge base.

Application Scenarios & Design Considerations

Current Regulated Switched Capacitor LED Driver with Analog Brightness Control

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