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STRS6704 from SK

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STRS6704

Manufacturer: SK

OFF-LINE SWITCHING REGULATORS WITH BIPOLAR SWITCHING TRANSISTOR

Partnumber Manufacturer Quantity Availability
STRS6704 SK 143 In Stock

Description and Introduction

OFF-LINE SWITCHING REGULATORS WITH BIPOLAR SWITCHING TRANSISTOR The STRS6704 is a switching regulator IC manufactured by STMicroelectronics. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Manufacturer:** STMicroelectronics  
### **Part Number:** STRS6704  

### **Description:**  
The STRS6704 is a high-voltage switching regulator designed for offline flyback converters. It integrates a power MOSFET and a PWM controller, making it suitable for low-power applications such as AC/DC adapters and auxiliary power supplies.  

### **Key Features:**  
- **Input Voltage Range:** Up to 700V (for offline applications)  
- **Integrated Power MOSFET:** 700V, 1.5A (typical)  
- **PWM Frequency:** Fixed at 100 kHz  
- **Low Standby Power Consumption:** < 1W in no-load conditions  
- **Built-in Soft-Start:** Reduces inrush current  
- **Overvoltage Protection (OVP):** Prevents output overvoltage conditions  
- **Overcurrent Protection (OCP):** Limits peak current  
- **Thermal Shutdown:** Protects against overheating  
- **Auto-Restart Mode:** In case of fault conditions  

### **Applications:**  
- AC/DC power supplies  
- Standby power supplies  
- Battery chargers  
- Small appliances  

This information is based on the manufacturer’s datasheet and technical documentation. For detailed electrical characteristics and application circuits, refer to the official STMicroelectronics datasheet.

Application Scenarios & Design Considerations

OFF-LINE SWITCHING REGULATORS WITH BIPOLAR SWITCHING TRANSISTOR

Alternative Part Number

  • STR-W6754 --: Offline switching regulator in the STR-W6700 series with comparable power handling and built-in MOSFET, commonly used as a drop-in replacement for STRS6704 in SMPS designs.
  • STR-F6654 --: Similar offline flyback switching regulator with integrated MOSFET and comparable voltage/current ratings, widely accepted as a substitute in power supply circuits.
  • 5Q1265RF --: Integrated power switch for offline SMPS with similar breakdown voltage and current capability, suitable as a functional alternative when layout and pinout are adapted.
  • 5Q0765RT --: Integrated PWM power switch with similar breakdown voltage and current capability, a feasible functional substitute when the original Sanken part is unavailable.

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