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LM2751SD-B from NS,National Semiconductor

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LM2751SD-B

Manufacturer: NS

LM2751 Regulated 2X, 1.5X Switched Capacitor White LED Driver

Partnumber Manufacturer Quantity Availability
LM2751SD-B,LM2751SDB NS 190 In Stock

Description and Introduction

LM2751 Regulated 2X, 1.5X Switched Capacitor White LED Driver The LM2751SD-B is a switching regulator manufactured by National Semiconductor (NS). Here are the factual details from Ic-phoenix technical data files:

### **Manufacturer:**  
National Semiconductor (NS)  

### **Specifications:**  
- **Output Voltage:** Adjustable (via external components)  
- **Output Current:** Up to 350 mA  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Switching Frequency:** 1.6 MHz (typical)  
- **Efficiency:** Up to 90%  
- **Package:** 10-pin LLP (Leadless Leadframe Package)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
The LM2751SD-B is a high-efficiency, fixed-frequency step-up DC-DC converter designed for low-power applications. It integrates a power switch and provides a regulated output voltage from a low input supply.  

### **Features:**  
- **Fixed-Frequency Operation:** Ensures predictable noise characteristics.  
- **Low Quiescent Current:** Improves efficiency in light-load conditions.  
- **Soft-Start Function:** Reduces inrush current during startup.  
- **Overcurrent Protection:** Safeguards the device and load.  
- **Thermal Shutdown:** Prevents damage from excessive heat.  

This information is strictly based on the manufacturer's datasheet.

Application Scenarios & Design Considerations

LM2751 Regulated 2X, 1.5X Switched Capacitor White LED Driver
Partnumber Manufacturer Quantity Availability
LM2751SD-B,LM2751SDB NSC 47 In Stock

Description and Introduction

LM2751 Regulated 2X, 1.5X Switched Capacitor White LED Driver The LM2751SD-B is a switching regulator manufactured by National Semiconductor (NSC).  

### **Specifications:**  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Output Voltage:** Adjustable (via external resistors)  
- **Output Current:** Up to 100mA  
- **Switching Frequency:** 1.6MHz (typical)  
- **Efficiency:** Up to 90%  
- **Package:** 10-pin LLP (Leadless Leadframe Package)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Features:**  
  - Fixed-frequency PWM operation  
  - Low shutdown current (<1µA)  
  - Internal soft-start  
  - Over-temperature protection  
  - Short-circuit protection  

### **Description:**  
The LM2751SD-B is a high-efficiency, step-up DC-DC converter designed for low-power applications. It provides a regulated output voltage from a low input supply, making it suitable for battery-powered devices.  

### **Features:**  
- Adjustable output voltage  
- High switching frequency for small external components  
- Low quiescent current  
- Built-in protection features (thermal shutdown, current limit)  
- Compact package for space-constrained designs  

This information is based on the manufacturer's datasheet. For detailed electrical characteristics and application circuits, refer to the official NSC documentation.

Application Scenarios & Design Considerations

LM2751 Regulated 2X, 1.5X Switched Capacitor White LED Driver

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