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STR-A6131 from SANKEN

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STR-A6131

Manufacturer: SANKEN, SK

120 V/12 or 16 W Flyback Switching Regulators
Partnumber Manufacturer Quantity Availability
STR-A6131,STRA6131 SANKEN, SK 2758 In Stock

Description and Introduction

120 V/12 or 16 W Flyback Switching Regulators The STR-A6131 is a power switching regulator IC manufactured by SANKEN. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Specifications:**  
- **Input Voltage Range:** 85V to 265V AC (for universal input)  
- **Output Power:** Up to 10W (depending on design)  
- **Switching Frequency:** Fixed frequency operation (exact value not specified in Ic-phoenix technical data files)  
- **Standby Power Consumption:** Low standby power (exact value not specified)  
- **Protection Features:** Overcurrent protection (OCP), overvoltage protection (OVP), and thermal shutdown (TSD)  
- **Package Type:** TO-220F-5L (isolated package)  

### **Descriptions:**  
- The STR-A6131 is a high-voltage startup switching regulator IC designed for offline power supplies.  
- It integrates a power MOSFET and controller circuitry for compact power supply designs.  
- Suitable for applications like AC/DC adapters, LED drivers, and auxiliary power supplies.  

### **Features:**  
- Built-in high-voltage startup circuit (eliminates the need for an external startup resistor).  
- Auto-restart protection for fault conditions.  
- Frequency jittering to reduce EMI noise.  
- Low operating current for improved efficiency.  
- Isolated package (TO-220F-5L) for enhanced safety.  

For exact electrical characteristics and application details, refer to the official SANKEN datasheet.

Application Scenarios & Design Considerations

120 V/12 or 16 W Flyback Switching Regulators

Alternative Part Number

  • TNY276PN --: Offline flyback switcher in DIP-8 with integrated 700V MOSFET, commonly used as a functional replacement for STR-A series in low-power AC-DC supplies.
  • VIPER22A --: Integrated offline PWM switcher with high-voltage power section, widely available and often used to replace Sanken STR-A6xxx regulators in small power supplies.
  • ICE3A0565 --: CoolSET offline current-mode controller with integrated 650V MOSFET, suitable alternative for low-power flyback designs originally using STR-A6131.
  • TNY264PN --: Offline switcher IC in a DIP-8 package with integrated MOSFET, commonly used as a functional substitute in low-power AC-DC supplies similar to the STR-A6131 application.
  • VIPER12A --: Integrated offline PWM controller and power MOSFET in DIP-8, widely used as a replacement for Sanken STR-A series in small power adapters and standby supplies.
  • ICE2A165 --: CoolSET offline switching regulator with integrated power switch in DIP-8, suitable as an alternative for low-power flyback designs originally using STR-A6131.

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