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VIPER28LDTR from ST,ST Microelectronics

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VIPER28LDTR

Manufacturer: ST

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

Partnumber Manufacturer Quantity Availability
VIPER28LDTR ST 2500 In Stock

Description and Introduction

VIPerPlus family: fixed frequency high performance off line high voltage converter The VIPER28LDTR is a switching power supply (SMPS) offline converter from STMicroelectronics.  

### **Manufacturer:**  
STMicroelectronics  

### **Specifications:**  
- **Topology:** Flyback  
- **Input Voltage Range:** 8.5V to 38V (DC)  
- **Output Power:** Up to 28W (depending on configuration)  
- **Switching Frequency:** 60 kHz (fixed)  
- **Primary-Side Regulation (PSR):** Yes  
- **Standby Power Consumption:** <30mW  
- **Maximum Duty Cycle:** 72%  
- **Integrated Power MOSFET:** 800V avalanche-rugged  
- **Protection Features:**  
  - Overvoltage protection (OVP)  
  - Overload protection (OLP)  
  - Short-circuit protection (SCP)  
  - Thermal shutdown  
- **Operating Temperature Range:** -40°C to +150°C  
- **Package:** SO-16  

### **Descriptions and Features:**  
- Designed for offline power supplies in flyback topology.  
- Includes a high-voltage startup circuit for fast startup.  
- Primary-side regulation eliminates the need for an optocoupler.  
- Auto-recovery mode for fault conditions.  
- Low standby power consumption for energy-efficient applications.  
- Suitable for adapters, chargers, and auxiliary power supplies.  

This device is optimized for cost-effective and compact power supply designs.

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