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STRG6624 from SK

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STRG6624

Manufacturer: SK, SANKEN

OFF-LINE QUASI-RESONANT FLYBACK SWITCHING REGULATOR

Partnumber Manufacturer Quantity Availability
STRG6624 SK, SANKEN 6089 In Stock

Description and Introduction

OFF-LINE QUASI-RESONANT FLYBACK SWITCHING REGULATOR The STRG6624 is a power switching regulator IC manufactured by SANKEN. Below are its key specifications, descriptions, and features based on available information:

### **Specifications:**  
- **Input Voltage Range:** 8V to 38V  
- **Output Voltage:** Adjustable (depends on external components)  
- **Output Current:** Up to 3A  
- **Switching Frequency:** 100kHz (typical)  
- **Operating Temperature Range:** -40°C to +105°C  
- **Package Type:** TO-220F (5-pin)  

### **Descriptions:**  
- The STRG6624 is a step-down (buck) switching regulator IC designed for high-efficiency DC-DC conversion.  
- It integrates a power MOSFET, PWM controller, and protection circuits into a single package.  
- Suitable for applications requiring stable power supply with high current capability.  

### **Features:**  
- **Built-in Power MOSFET:** Reduces external component count.  
- **Soft-Start Function:** Prevents inrush current at startup.  
- **Overcurrent Protection (OCP):** Safeguards against excessive load currents.  
- **Thermal Shutdown (TSD):** Protects the IC from overheating.  
- **Under-Voltage Lockout (UVLO):** Ensures proper operation within the input voltage range.  
- **Adjustable Output Voltage:** Configured via external resistors.  

For detailed application notes or circuit design, refer to the official SANKEN datasheet.

Application Scenarios & Design Considerations

OFF-LINE QUASI-RESONANT FLYBACK SWITCHING REGULATOR

Alternative Part Number

  • SG6848 --: Widely used PWM controller IC in the same class as the STRG6624, with comparable function and pinout, making it a strong drop-in candidate for SMPS designs.
  • UC3842 --: Industry-standard current-mode PWM controller offering similar control functionality; requires minor circuit adjustment but is highly available and well documented.
  • OB2263 --: Low-cost PWM controller commonly used as a substitute in similar power supply applications, with comparable operating characteristics and good availability.
  • STR-G6653 --: Same STR-G series offline switching regulator with comparable power handling and pinout, widely used as a direct substitute in SMPS designs.
  • STR-W6754 --: Sanken STR-W series quasi-resonant controller with integrated MOSFET, similar function and voltage rating, suitable replacement with minor circuit review.
  • STR-A6259H --: Sanken STR-A series PWM switching regulator offering similar control function and isolation, usable alternative when power rating and package fit the application.

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