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VIPER12A from DIP8

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VIPER12A

Manufacturer: DIP8

LOW POWER OFF LINE SMPS PRIMARY SWITCHER

Partnumber Manufacturer Quantity Availability
VIPER12A DIP8 40 In Stock

Description and Introduction

LOW POWER OFF LINE SMPS PRIMARY SWITCHER The VIPER12A is a monolithic IC designed for offline SMPS (Switched-Mode Power Supply) applications. It integrates a PWM controller and a high-voltage power MOSFET, making it suitable for low-power converters.  

### **Manufacturer:**  
STMicroelectronics  

### **Package:**  
DIP8 (Dual In-line Package, 8 pins)  

### **Specifications:**  
- **Input Voltage Range:** 9V to 38V (DC)  
- **Output Power:** Up to 8W (depending on configuration)  
- **Switching Frequency:** 60 kHz (fixed)  
- **Integrated Power MOSFET:** 730V breakdown voltage  
- **Current Sense:** Cycle-by-cycle current limiting  
- **Protection Features:**  
  - Overvoltage protection (OVP)  
  - Thermal shutdown  
  - Auto-restart for fault conditions  

### **Descriptions:**  
The VIPER12A is a cost-effective solution for offline power supplies, commonly used in adapters, auxiliary supplies, and LED drivers. It operates in a quasi-resonant mode for improved efficiency and reduced EMI.  

### **Features:**  
- **High-Voltage Startup Circuit:** Eliminates the need for an external startup resistor.  
- **Low Standby Power Consumption:** <1W in no-load conditions.  
- **Soft-Start:** Reduces inrush current.  
- **Frequency Jittering:** Minimizes EMI emissions.  
- **Wide Operating Temperature Range:** -40°C to +150°C.  

This IC is widely used in compact power supply designs due to its integrated features and reliability.

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