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VIPER27LN from ST,ST Microelectronics

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VIPER27LN

Manufacturer: ST

VIPerPlus family: fixed frequency high performance off line high voltage converter

Partnumber Manufacturer Quantity Availability
VIPER27LN ST 10000 In Stock

Description and Introduction

VIPerPlus family: fixed frequency high performance off line high voltage converter The VIPER27LN is a high-voltage converter manufactured by STMicroelectronics. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Manufacturer:** STMicroelectronics (ST)  

### **Specifications:**  
- **Input Voltage Range:** 8.5V to 450V (DC)  
- **Output Power:** Up to 15W (depending on configuration)  
- **Switching Frequency:** 60 kHz (fixed)  
- **Operating Temperature Range:** -40°C to +150°C (junction temperature)  
- **Integrated Power MOSFET:** 800V breakdown voltage  
- **Standby Power Consumption:** <30mW at 230VAC  
- **Protection Features:**  
  - Overvoltage protection (OVP)  
  - Overload protection (OLP)  
  - Short-circuit protection (SCP)  
  - Thermal shutdown  
  - Soft-start for inrush current limitation  

### **Description:**  
The VIPER27LN is a monolithic offline converter designed for low-power SMPS (Switched-Mode Power Supply) applications. It integrates an 800V avalanche-rugged power MOSFET, a PWM controller, and protection circuits into a single package. It is optimized for cost-effective, compact designs in applications such as adapters, chargers, and auxiliary power supplies.  

### **Features:**  
- **High-Voltage Startup:** Built-in high-voltage startup circuit eliminates the need for an external startup resistor.  
- **Current-Mode Control:** Ensures stable operation under varying load conditions.  
- **Low Power Consumption:** Optimized for energy-efficient designs.  
- **Compact Package:** Available in SO-8 package for space-constrained applications.  
- **Wide Input Voltage Range:** Suitable for universal mains applications (85VAC to 265VAC).  
- **Auto-Recovery Protection:** Restarts automatically after fault conditions are removed.  

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

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