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W83321S

N-Channel FET Synchronous Buck Regulator Controller

Partnumber Manufacturer Quantity Availability
W83321S 2435 In Stock

Description and Introduction

N-Channel FET Synchronous Buck Regulator Controller Here is the factual information about part W83321S from Ic-phoenix technical data files:  

### **Manufacturer Specifications**  
- **Manufacturer:** Nuvoton (formerly Winbond)  
- **Part Number:** W83321S  
- **Type:** Voltage Regulator (PWM Controller)  
- **Input Voltage Range:** 4.5V to 25V  
- **Output Voltage Range:** Adjustable (via external resistors)  
- **Switching Frequency:** 300kHz (typical)  
- **Duty Cycle:** Up to 100%  
- **Operating Temperature Range:** -20°C to +85°C  
- **Package:** SOP-8 (Small Outline Package, 8-pin)  

### **Descriptions**  
- The W83321S is a high-efficiency PWM controller designed for DC-DC converter applications.  
- It supports step-down (buck) and step-up (boost) configurations.  
- Features built-in soft-start and over-current protection.  
- Suitable for power supply designs in computing, industrial, and consumer electronics.  

### **Features**  
- **Adjustable Output Voltage:** Configured using external resistors.  
- **High Efficiency:** Optimized for low power loss.  
- **Protection Functions:** Includes over-current and thermal shutdown.  
- **Soft-Start Function:** Reduces inrush current during startup.  
- **Wide Input Voltage Range:** Supports various power sources.  

This information is based on the manufacturer's datasheet and technical documentation. Let me know if you need further details.

Application Scenarios & Design Considerations

N-Channel FET Synchronous Buck Regulator Controller

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