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VIPER12A-E from STM,ST Microelectronics

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VIPER12A-E

Manufacturer: STM

Fixed frequency off line converter

Partnumber Manufacturer Quantity Availability
VIPER12A-E,VIPER12AE STM 2800 In Stock

Description and Introduction

Fixed frequency off line converter The VIPER12A-E is a monolithic IC from STMicroelectronics (STM) designed for offline switched-mode power supplies (SMPS).  

### **Specifications:**  
- **Input Voltage Range:** 9V to 38V (DC)  
- **Output Power:** Up to 12W (depending on topology and conditions)  
- **Switching Frequency:** Fixed 60 kHz  
- **Drain-Source Voltage (VDSS):** 730V  
- **Maximum Drain Current (ID):** 0.5A  
- **Standby Power Consumption:** < 1W  
- **Operating Temperature Range:** -40°C to +150°C  
- **Package:** SO-8  

### **Descriptions:**  
The VIPER12A-E integrates a PWM controller, high-voltage power MOSFET, and protection features into a single chip. It is optimized for cost-effective, low-power SMPS applications such as adapters, chargers, and auxiliary power supplies.  

### **Features:**  
- **High-Voltage Startup Circuit:** Eliminates the need for an external startup resistor.  
- **Current-Mode Control:** Improves transient response and simplifies loop compensation.  
- **Protections:**  
  - Overvoltage protection (OVP)  
  - Overload protection (OLP)  
  - Short-circuit protection (SCP)  
  - Thermal shutdown (TSD)  
- **Soft-Start:** Reduces inrush current.  
- **Frequency Jittering:** Minimizes EMI emissions.  
- **Low Operating Current:** Enhances efficiency in standby mode.  

This information is based solely on the manufacturer's datasheet. For detailed application notes, refer to STMicroelectronics' official documentation.

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