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VIPER50A from ST,ST Microelectronics

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VIPER50A

Manufacturer: ST

SMPS PRIMARY I.C.

Partnumber Manufacturer Quantity Availability
VIPER50A ST 199 In Stock

Description and Introduction

SMPS PRIMARY I.C. The VIPER50A is a monolithic power switch manufactured by STMicroelectronics. Below are the specifications, descriptions, and features based on Ic-phoenix technical data files:  

### **Specifications:**  
- **Input Voltage Range:** 9V to 38V (DC)  
- **Output Power:** Up to 50W (depending on configuration)  
- **Switching Frequency:** Fixed at 60 kHz  
- **Operating Temperature Range:** -40°C to +150°C  
- **Drain-Source Voltage (VDSS):** 730V  
- **Drain Current (ID):** 0.5A (continuous)  
- **Standby Power Consumption:** <1W  

### **Descriptions:**  
The VIPER50A is a high-voltage converter IC designed for offline power supplies. It integrates a PWM controller and a high-voltage power MOSFET, making it suitable for flyback and buck-boost topologies. The device operates in current-mode control for improved regulation and transient response.  

### **Features:**  
- **Integrated 730V Power MOSFET**  
- **Current-Mode PWM Control**  
- **Built-in Soft-Start Function**  
- **Overvoltage Protection (OVP)**  
- **Overcurrent Protection (OCP)**  
- **Thermal Shutdown Protection**  
- **Auto-Restart Mode for Fault Conditions**  
- **Low Standby Power Consumption**  
- **Frequency Jittering for Reduced EMI**  

The VIPER50A is commonly used in AC-DC converters for applications such as adapters, LED drivers, and auxiliary power supplies.  

Let me know if you need further details.

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