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STRF6656 from SK

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STRF6656

Manufacturer: SK, SANKEN, STR

OFF-LINE QUASI-RESONANT FLYBACK SWITCHING REGULATORS
Partnumber Manufacturer Quantity Availability
STRF6656 SK, SANKEN, STR 2070 In Stock

Description and Introduction

OFF-LINE QUASI-RESONANT FLYBACK SWITCHING REGULATORS The STRF6656 is a power switch IC manufactured by STMicroelectronics. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** STMicroelectronics  
- **Type:** Power Switch IC  
- **Package:** TO-220F-5L (isolated tab)  
- **Input Voltage Range:** Up to 650V  
- **Output Power:** Up to 180W (depending on application conditions)  
- **Switching Frequency:** Adjustable (typically up to 100kHz)  
- **Operating Temperature Range:** -25°C to +125°C  

### **Descriptions:**
- The STRF6656 is a high-voltage power switch IC designed for switch-mode power supply (SMPS) applications.  
- It integrates a power MOSFET and control circuitry in a single package for simplified design.  
- Suitable for offline flyback converters in AC-DC power supplies.  

### **Features:**
- **Built-in Power MOSFET:** Reduces external component count.  
- **Soft Start:** Minimizes inrush current.  
- **Overcurrent Protection (OCP):** Safeguards against excessive current.  
- **Overvoltage Protection (OVP):** Protects against voltage spikes.  
- **Thermal Shutdown:** Prevents overheating.  
- **Adjustable Frequency:** Allows optimization for efficiency and EMI performance.  

For detailed application notes and exact performance characteristics, refer to the official STMicroelectronics datasheet.

Application Scenarios & Design Considerations

OFF-LINE QUASI-RESONANT FLYBACK SWITCHING REGULATORS

Alternative Part Number

  • STR-F6656 --: Same STR-F series offline switching regulator with equivalent ratings; widely available and a direct functional substitute.
  • STR-W6756 --: Similar STR-W series quasi-resonant switching regulator with comparable power handling, usable as a cross-series replacement with minor circuit checks.
  • 5Q1265RF --: Integrated power switch controller commonly used as an alternative in SMPS designs with similar voltage and current capability.
  • STRF6654 --: Closely related STR-F series device with similar control and protection features; usable in many applications with minor design verification.
  • STRW6756 --: Sanken STR-W series switching regulator offering comparable functionality and power handling; suitable alternative when the STR-F series is unavailable.
  • STR-F6654 --: Lower-power member of the same STR-F series with identical package and pin configuration, suitable when load requirements are slightly reduced.

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