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L6911B from ST,ST Microelectronics

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L6911B

Manufacturer: ST

5 BIT PROGRAMMABLE POWER SUPPLY CONTROLLER FOR PENTIUM II PROCESSOR

Partnumber Manufacturer Quantity Availability
L6911B ST 1000 In Stock

Description and Introduction

5 BIT PROGRAMMABLE POWER SUPPLY CONTROLLER FOR PENTIUM II PROCESSOR Here are the factual details about the **L6911B** from the manufacturer **STMicroelectronics (ST)**:

### **Specifications:**
- **Manufacturer:** STMicroelectronics (ST)  
- **Type:** Synchronous Buck Controller  
- **Input Voltage Range:** 4.5V to 36V  
- **Output Voltage Range:** Adjustable (down to 0.6V)  
- **Switching Frequency:** Adjustable (300kHz to 1MHz)  
- **Output Current:** Up to 25A (dependent on external components)  
- **Efficiency:** Up to 95%  
- **Duty Cycle:** Up to 100%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SO-20  

### **Descriptions:**
- The **L6911B** is a high-performance synchronous buck controller designed for step-down DC-DC conversion.  
- It features **voltage-mode control** with **adjustable switching frequency** for optimized efficiency.  
- Includes **soft-start**, **overcurrent protection (OCP)**, and **thermal shutdown** for enhanced reliability.  
- Suitable for **industrial, automotive, and computing applications** requiring high efficiency and compact design.  

### **Features:**
- **Wide Input Voltage Range (4.5V–36V)**  
- **Adjustable Output Voltage (0.6V to VIN)**  
- **Programmable Switching Frequency (300kHz–1MHz)**  
- **Synchronous Rectification for High Efficiency**  
- **Soft-Start Function**  
- **Overcurrent and Thermal Protection**  
- **Low Dropout Operation (100% Duty Cycle Capable)**  
- **SO-20 Package for Compact Designs**  

This information is based on ST's official datasheet for the **L6911B**.

Application Scenarios & Design Considerations

5 BIT PROGRAMMABLE POWER SUPPLY CONTROLLER FOR PENTIUM II PROCESSOR

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