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VIPER25HD from ST,ST Microelectronics

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VIPER25HD

Manufacturer: ST

VIPerPlus family: quasi-resonant high performance off line high voltage converter

Partnumber Manufacturer Quantity Availability
VIPER25HD ST 2500 In Stock

Description and Introduction

VIPerPlus family: quasi-resonant high performance off line high voltage converter The VIPER25HD is a high-voltage converter manufactured by STMicroelectronics. Below are the factual details about its specifications, descriptions, and features:

### **Specifications:**
- **Input Voltage Range:** 8.5V to 30V  
- **Output Power:** Up to 25W in flyback topology  
- **Switching Frequency:** 60 kHz (fixed)  
- **Standby Power Consumption:** < 30mW at 230VAC  
- **Operating Temperature Range:** -40°C to +150°C  
- **Package:** SO-8  

### **Descriptions:**
- The VIPER25HD is a monolithic offline converter with an integrated 800V avalanche-rugged power MOSFET.  
- It is designed for cost-effective, low-power offline SMPS (Switched-Mode Power Supply) applications.  
- Includes built-in protections such as thermal shutdown, overvoltage protection (OVP), and cycle-by-cycle current limiting.  

### **Features:**
- **Integrated 800V Power MOSFET** – Reduces external component count.  
- **PWM Controller** – Fixed-frequency current-mode control.  
- **Low Standby Power** – Compliant with energy-saving standards.  
- **Protections:**  
  - Thermal shutdown  
  - Short-circuit protection  
  - Overvoltage protection (OVP)  
  - Undervoltage lockout (UVLO)  
- **Auto-Restart Mode** – Enhances system reliability in fault conditions.  
- **Soft-Start** – Reduces inrush current during startup.  

This information is based on the manufacturer's datasheet and technical documentation.

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