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VIPER27LDTR from ST,ST Microelectronics

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VIPER27LDTR

Manufacturer: ST

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

Partnumber Manufacturer Quantity Availability
VIPER27LDTR ST 2500 In Stock

Description and Introduction

VIPerPlus family: fixed frequency high performance off line high voltage converter The VIPER27LDTR is a high-voltage converter manufactured by STMicroelectronics.  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 30V  
- **Output Power:** Up to 15W (depending on configuration)  
- **Switching Frequency:** 60 kHz (fixed)  
- **Operating Temperature Range:** -40°C to +150°C  
- **Package:** SO-8  
- **Protection Features:**  
  - Overvoltage protection (OVP)  
  - Overcurrent protection (OCP)  
  - Thermal shutdown  
  - Undervoltage lockout (UVLO)  

### **Description:**  
The VIPER27LDTR is a monolithic IC designed for offline and DC-DC converter applications. It integrates a PWM controller and a high-voltage power MOSFET, making it suitable for compact and efficient power supply designs.  

### **Features:**  
- **High-Voltage Startup Circuit** (eliminates need for external startup resistor)  
- **Low Standby Power Consumption** (meets energy efficiency standards)  
- **Soft-Start Function** (reduces inrush current)  
- **Frequency Jittering** (improves EMI performance)  
- **Adjustable Output Voltage** (via external feedback network)  

This device is commonly used in AC-DC adapters, LED drivers, and auxiliary power supplies.

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