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SI9150CY

Synchronous Buck Converter Controller

Partnumber Manufacturer Quantity Availability
SI9150CY 368 In Stock

Description and Introduction

Synchronous Buck Converter Controller The SI9150CY is a high-performance, low-dropout (LDO) voltage regulator manufactured by Vishay Siliconix. Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 20V  
- **Output Voltage Range:** 1.25V to 18V (adjustable)  
- **Output Current:** Up to 1A  
- **Dropout Voltage:** Typically 0.5V at 1A  
- **Line Regulation:** 0.02%/V (typical)  
- **Load Regulation:** 0.1% (typical)  
- **Quiescent Current:** 10mA (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TO-220 (5-pin)  

### **Description:**  
The SI9150CY is a monolithic LDO regulator designed for high-efficiency power supply applications. It provides stable output voltage with low noise and high ripple rejection, making it suitable for industrial, automotive, and telecommunications systems.  

### **Features:**  
- Adjustable output voltage via external resistors  
- Overcurrent and thermal protection  
- High ripple rejection ratio  
- Low dropout voltage for improved efficiency  
- Robust thermal performance in a TO-220 package  

For detailed electrical characteristics and application notes, refer to the official Vishay Siliconix datasheet.

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