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IR1150 from IR,International Rectifier

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IR1150

Manufacturer: IR

One Cycle Control PFC IC designed to operate in continuous conduction mode (CCM), designed and qualified for the Consumer market

Partnumber Manufacturer Quantity Availability
IR1150 IR 39 In Stock

Description and Introduction

One Cycle Control PFC IC designed to operate in continuous conduction mode (CCM), designed and qualified for the Consumer market The IR1150 is a power factor correction (PFC) controller IC manufactured by International Rectifier (IR). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Manufacturer:**  
International Rectifier (IR)  

### **Part Number:**  
IR1150  

### **Description:**  
The IR1150 is a critical conduction mode (CrM) PFC controller designed for power factor correction in AC-DC power supplies. It operates in a fixed-frequency, continuous conduction mode (CCM) or critical conduction mode, depending on the load conditions.  

### **Key Features:**  
1. **Critical Conduction Mode (CrM) Operation** – Ensures high efficiency and low switching losses.  
2. **Fixed-Frequency Operation** – Provides stable performance under varying load conditions.  
3. **Average Current Mode Control** – Improves power factor and reduces input current distortion.  
4. **Wide Input Voltage Range** – Supports universal AC input (85V–265V).  
5. **Internal Start-Up Timer** – Simplifies external circuitry.  
6. **Overvoltage Protection (OVP)** – Protects against output voltage surges.  
7. **Undervoltage Lockout (UVLO)** – Ensures proper operation under low-voltage conditions.  
8. **Low Startup and Operating Current** – Enhances energy efficiency.  
9. **Lead-Free and RoHS Compliant** – Meets environmental regulations.  

### **Applications:**  
- AC-DC power supplies  
- LED lighting drivers  
- Industrial power systems  
- Consumer electronics  

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

Application Scenarios & Design Considerations

One Cycle Control PFC IC designed to operate in continuous conduction mode (CCM), designed and qualified for the Consumer market

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