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VIPER100A from ST,ST Microelectronics

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VIPER100A

Manufacturer: ST

SMPS PRIMARY I.C.

Partnumber Manufacturer Quantity Availability
VIPER100A ST 80 In Stock

Description and Introduction

SMPS PRIMARY I.C. The VIPER100A is a high-voltage converter manufactured by STMicroelectronics. It is part of the VIPerPlus family, designed for offline power supplies.  

### **Specifications:**  
- **Input Voltage Range:** 9V to 38V (DC)  
- **Output Power:** Up to 100W (depending on topology)  
- **Switching Frequency:** Fixed 60 kHz  
- **Integrated Power MOSFET:** 800V breakdown voltage  
- **Current Sense Threshold:** Adjustable via external resistor  
- **Operating Temperature Range:** -40°C to +150°C  
- **Package:** PowerSO-10  

### **Descriptions:**  
The VIPER100A is a monolithic device combining a PWM controller and a high-voltage power MOSFET. It is optimized for flyback and buck converter topologies in offline applications. It includes built-in protections such as overload, overvoltage, and thermal shutdown.  

### **Features:**  
- **High-Voltage Startup Circuit:** Reduces external component count.  
- **PWM Current-Mode Control:** Ensures stable operation.  
- **Soft-Start Function:** Limits inrush current.  
- **Protections:**  
  - Overload protection (OLP)  
  - Overvoltage protection (OVP)  
  - Thermal shutdown (TSD)  
  - Undervoltage lockout (UVLO)  
- **Low Standby Power Consumption:** Suitable for energy-efficient designs.  

For detailed application notes and schematics, refer to the official STMicroelectronics datasheet.

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