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VIPER12AS-E from STM,ST Microelectronics

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VIPER12AS-E

Manufacturer: STM

Fixed frequency off line converter

Partnumber Manufacturer Quantity Availability
VIPER12AS-E,VIPER12ASE STM 600 In Stock

Description and Introduction

Fixed frequency off line converter The VIPER12AS-E is a monolithic power supply IC manufactured by STMicroelectronics (STM).  

### **Specifications:**  
- **Input Voltage Range:** 9V to 38V (DC)  
- **Output Power:** Up to 8W (depending on configuration)  
- **Switching Frequency:** 60 kHz (fixed)  
- **Operating Temperature Range:** -40°C to +150°C (junction temperature)  
- **Integrated Features:**  
  - High-voltage startup circuit  
  - PWM controller with current-mode control  
  - Built-in power MOSFET (700V, 0.3Ω typical RDS(on))  
  - Overvoltage protection (OVP)  
  - Overload protection (OLP)  
  - Thermal shutdown protection  
- **Package:** SO-8 (Surface Mount)  

### **Descriptions:**  
The VIPER12AS-E is a low-power offline converter IC designed for AC-DC and DC-DC applications. It integrates a high-voltage startup circuit, reducing external component count. It is commonly used in SMPS (Switched-Mode Power Supply) designs for adapters, chargers, and auxiliary power supplies.  

### **Features:**  
- **High Integration:** Combines PWM controller and power MOSFET in a single chip.  
- **Low Standby Power Consumption:** Optimized for energy-efficient designs.  
- **Protection Mechanisms:** Includes OVP, OLP, and thermal shutdown for reliability.  
- **Fixed Frequency Operation:** Ensures stable performance in various conditions.  
- **Compact Design:** Suitable for space-constrained applications.  

This IC is widely used in consumer electronics, industrial controls, and lighting applications.

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