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VIPER28LD from ST,ST Microelectronics

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VIPER28LD

Manufacturer: ST

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

Partnumber Manufacturer Quantity Availability
VIPER28LD ST 2500 In Stock

Description and Introduction

VIPerPlus family: fixed frequency high performance off line high voltage converter The VIPER28LD is a converter IC manufactured by STMicroelectronics. Here are its key specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 8.5V to 38V  
- **Output Power:** Up to 28W (depending on configuration)  
- **Switching Frequency:** 60 kHz (fixed)  
- **Standby Power Consumption:** < 30mW  
- **Operating Temperature Range:** -40°C to +150°C (junction temperature)  
- **Package:** SO-16  

### **Descriptions:**  
The VIPER28LD is a high-voltage converter IC designed for offline power supplies. It integrates a PWM controller, a high-voltage power MOSFET, and protection features, making it suitable for flyback and buck converter topologies. It is optimized for low standby power applications.  

### **Features:**  
- **Integrated 800V avalanche-rugged power MOSFET**  
- **PWM current-mode control**  
- **Soft-start for reduced inrush current**  
- **Auto-recovery protection features:**  
  - Overvoltage (OVP)  
  - Overload (OLP)  
  - Short-circuit (SCP)  
  - Thermal shutdown (OTP)  
- **Frequency jittering for reduced EMI**  
- **Adjustable output voltage via external feedback**  
- **Low power consumption in standby mode**  

This information is sourced from STMicroelectronics' official documentation.

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