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SI9118DY

Programmable Duty Cycle Controller

Partnumber Manufacturer Quantity Availability
SI9118DY 15 In Stock

Description and Introduction

Programmable Duty Cycle Controller Here are the factual details about the part **SI9118DY** from Ic-phoenix technical data files:  

### **Manufacturer**  
- **Vishay Siliconix**  

### **Specifications**  
- **Type**: Synchronous Buck Controller  
- **Input Voltage Range**: 4.5V to 60V  
- **Output Voltage Range**: Adjustable (down to 0.8V)  
- **Switching Frequency**: Up to 1MHz  
- **Output Current**: Up to 20A (with external MOSFETs)  
- **Duty Cycle**: Up to 100%  
- **Efficiency**: >90% (typical)  
- **Operating Temperature Range**: -40°C to +125°C  
- **Package**: SOIC-8  

### **Descriptions**  
- The **SI9118DY** is a high-performance PWM controller designed for synchronous buck DC-DC converters.  
- It supports wide input voltage ranges and is suitable for industrial, automotive, and telecom applications.  
- Features include adjustable soft-start, overcurrent protection, and thermal shutdown.  

### **Features**  
- **Wide Input Voltage Range (4.5V–60V)**  
- **High-Efficiency Synchronous Rectification**  
- **Adjustable Switching Frequency (up to 1MHz)**  
- **Programmable Soft-Start**  
- **Overcurrent and Thermal Protection**  
- **100% Duty Cycle Capability**  
- **SOIC-8 Package for Compact Designs**  

This information is based on the manufacturer's datasheet and technical documentation.

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