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STR755FR1T6 from ST,ST Microelectronics

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STR755FR1T6

Manufacturer: ST

32-bit MCU
Partnumber Manufacturer Quantity Availability
STR755FR1T6 ST 11 In Stock

Description and Introduction

32-bit MCU The **STR755FR1T6** is a switching regulator IC manufactured by **STMicroelectronics**.  

### **Key Specifications:**  
- **Manufacturer:** STMicroelectronics  
- **Part Number:** STR755FR1T6  
- **Type:** Switching Regulator (SMPS Controller)  
- **Topology:** Flyback  
- **Input Voltage Range:** 8V to 28V  
- **Output Voltage:** Adjustable (depends on external components)  
- **Switching Frequency:** 100 kHz (fixed)  
- **Maximum Output Power:** Up to 30W (depending on design)  
- **Current Limit Protection:** Yes  
- **Overvoltage Protection (OVP):** Yes  
- **Thermal Shutdown Protection:** Yes  
- **Package:** TO-220F (5-pin, isolated tab)  
- **Operating Temperature Range:** -25°C to +125°C  

### **Features:**  
- **Integrated High-Voltage MOSFET** (650V)  
- **Low Standby Power Consumption**  
- **Frequency Jittering for Improved EMI Performance**  
- **Built-in Soft-Start Function**  
- **Auto-Restart Protection** for fault conditions  
- **Primary-Side Regulation (PSR)** for simplified design  

This IC is commonly used in **AC-DC power supplies** for consumer electronics, industrial applications, and adapters.  

Would you like additional details on a specific aspect?

Application Scenarios & Design Considerations

32-bit MCU

Alternative Part Number

  • STM32F103C8T6 --: Widely available ARM Cortex-M3 MCU that can replace the STR755FR1T6 in most embedded control designs with better performance and long-term availability.
  • STM8S208RBT6 --: ST 8-bit MCU with similar peripheral set and package, suitable as a lower-cost drop-in for legacy STR7 designs.
  • LPC1768FBD100 --: ARM Cortex-M3 MCU from a different vendor offering comparable or higher resources, useful when ST parts are unavailable.

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