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STRW6754 from STR,ST Microelectronics

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STRW6754

Manufacturer: STR, SANKEN

Universal-Input/100 W Off-Line Quasi-Resonant Flyback Switching Regulator
Partnumber Manufacturer Quantity Availability
STRW6754 STR, SANKEN 1262 In Stock

Description and Introduction

Universal-Input/100 W Off-Line Quasi-Resonant Flyback Switching Regulator The STRW6754 is a power switching regulator IC manufactured by SANKEN. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** SANKEN  
- **Type:** Switching Regulator IC  
- **Topology:** Flyback Converter  
- **Input Voltage Range:** 85V to 265V AC (for universal line operation)  
- **Output Power:** Up to 120W (depending on design conditions)  
- **Switching Frequency:** ~67 kHz  
- **Maximum Duty Cycle:** ~72%  
- **Operating Temperature Range:** -25°C to +85°C  
- **Package:** TO-3P (5-pin)  

### **Descriptions:**  
- The STRW6754 is a high-voltage switching regulator IC designed for offline power supplies.  
- It integrates a power MOSFET, PWM controller, and protection circuits into a single package.  
- Suitable for applications such as AC/DC adapters, LED drivers, and SMPS (Switched-Mode Power Supplies).  

### **Features:**  
- Built-in high-voltage MOSFET (650V, 10A).  
- Low standby power consumption.  
- Overcurrent protection (OCP).  
- Overvoltage protection (OVP).  
- Thermal shutdown protection (TSD).  
- Soft-start function to reduce inrush current.  
- Auto-restart mode for fault recovery.  

For exact performance parameters, refer to the official SANKEN datasheet.

Application Scenarios & Design Considerations

Universal-Input/100 W Off-Line Quasi-Resonant Flyback Switching Regulator

Alternative Part Number

  • TNY276PN --: Offline switcher IC in a different series with integrated MOSFET, commonly used as a functional substitute in low-power SMPS designs; verify pinout and power rating.
  • ICE3B0565 --: CoolSET offline PWM controller with integrated switch, a well-known alternative family for flyback power supplies; check voltage/current ratings and package.
  • VIPER22A --: Widely used offline SMPS regulator with integrated power MOSFET, often considered for similar low-power AC-DC applications; confirm thermal and electrical compatibility.
  • ICE3B0565J --: Offline flyback PWM controller with integrated 650V CoolMOS switch, commonly used as a functional substitute for STR-W6754 in SMPS designs; verify power rating and pinout.
  • TOP258PN --: Integrated offline switcher in DIP-8 package with comparable power capability, widely used as a cross for Sanken STR-W series in adapter and standby supplies.
  • NCP1252ADR2G --: Current-mode PWM controller suitable for flyback converters; requires external MOSFET but offers similar control function and is a common alternative when the integrated-switch Sanken part is unavailable.

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