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MC33368DR2 from MOT,Motorola

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MC33368DR2

Manufacturer: MOT, MOTORML

High Voltage GreenLine Power Factor Controller

Partnumber Manufacturer Quantity Availability
MC33368DR2 MOT, MOTORML 1794 In Stock

Description and Introduction

High Voltage GreenLine Power Factor Controller The MC33368DR2 is a high-voltage power factor correction (PFC) controller manufactured by ON Semiconductor. Below are the key specifications, descriptions, and features based on available factual information:

### **Manufacturer:**  
- **ON Semiconductor**  

### **Specifications:**  
- **Type:** High-Voltage PFC Controller  
- **Package:** SOIC-8  
- **Input Voltage Range:** Up to 450V  
- **Operating Frequency:** Adjustable (typically up to 250 kHz)  
- **Output Drive:** Totem Pole (for driving external MOSFET)  
- **Control Method:** Average Current Mode Control  
- **Power Factor Correction:** >0.99  
- **Startup Current:** Low (typically <100 µA)  
- **Protection Features:**  
  - Overvoltage Protection (OVP)  
  - Undervoltage Lockout (UVLO)  
  - Open-Loop Protection  

### **Descriptions:**  
The MC33368DR2 is designed for power factor correction in AC-DC power supplies, improving efficiency and compliance with regulatory standards. It operates in continuous conduction mode (CCM) and provides precise current shaping for near-unity power factor.  

### **Features:**  
- **Average Current Mode Control:** Ensures low distortion and high power factor.  
- **Low Startup Current:** Reduces power consumption during startup.  
- **Programmable Operating Frequency:** Allows optimization for efficiency and EMI.  
- **Internal Voltage Reference:** Provides stable regulation.  
- **Zero Current Detection (ZCD):** Ensures proper switching transitions.  
- **Soft-Start Function:** Reduces inrush current during startup.  
- **RoHS Compliant:** Meets environmental standards.  

This information is sourced from ON Semiconductor’s official documentation. For detailed technical specifications, refer to the datasheet.

Application Scenarios & Design Considerations

High Voltage GreenLine Power Factor Controller

Alternative Part Number

  • UCC2818D --: Active PFC controller in the same class as the MC33368, widely available and functionally comparable for power factor correction designs.
  • L6562D --: Transition-mode PFC controller offering similar functionality and a common drop-in style alternative for PFC front-end circuits.
  • NCP1653DR2G --: Continuous conduction mode PFC controller with comparable role and ratings, suitable as a replacement in PFC applications.
  • UCC28180D --: Active PFC controller in SOIC-8 with similar boost PFC functionality and pin-compatible control scheme, widely available and well documented.
  • L6562AD --: Transition-mode PFC controller in SOIC-8 offering comparable power factor correction performance and a common drop-in style replacement for PFC front ends.
  • NCP1654BD65R2G --: Continuous conduction mode PFC controller in SOIC-8 with integrated gate drive, suitable as a functional substitute for PFC applications.

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