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LM2611BMF from NATIONAL,National Semiconductor

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LM2611BMF

Manufacturer: NATIONAL

1.4MHz Cuk Converter

Partnumber Manufacturer Quantity Availability
LM2611BMF NATIONAL 9000 In Stock

Description and Introduction

1.4MHz Cuk Converter The LM2611BMF is a switching regulator manufactured by **NATIONAL**.  

### **Specifications:**  
- **Input Voltage Range:** 2.7V to 14V  
- **Output Voltage:** Adjustable (via external resistors)  
- **Switching Frequency:** 1.6MHz (typical)  
- **Output Current:** Up to 1.5A  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOT-23-5  

### **Descriptions:**  
The LM2611BMF is a **step-down DC-DC converter** designed for high-efficiency power conversion. It operates in **current-mode PWM** for stable performance and fast transient response. The device includes **internal soft-start**, **thermal shutdown**, and **current limiting** for protection.  

### **Features:**  
- **Wide Input Voltage Range** (2.7V to 14V)  
- **High Switching Frequency** (1.6MHz) for small external components  
- **Adjustable Output Voltage**  
- **Internal N-Channel MOSFET Switch**  
- **Low Quiescent Current** (40µA typical in shutdown mode)  
- **Thermal Shutdown Protection**  
- **Current Limiting and Short-Circuit Protection**  
- **Available in SOT-23-5 Package**  

This information is based on the manufacturer's datasheet. For detailed application notes, refer to **NATIONAL's official documentation**.

Application Scenarios & Design Considerations

1.4MHz Cuk Converter

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