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VIPER17LD from ST,ST Microelectronics

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VIPER17LD

Manufacturer: ST

VIPer Plus family: fixed frequancy high performance off line high voltage converter

Partnumber Manufacturer Quantity Availability
VIPER17LD ST 2500 In Stock

Description and Introduction

VIPer Plus family: fixed frequancy high performance off line high voltage converter The VIPER17LD is a low-power offline switcher IC manufactured by STMicroelectronics. Below are the specifications, descriptions, and features based on the factual information from Ic-phoenix technical data files:

### **Specifications:**  
- **Input Voltage Range:** 8.5V to 265V AC  
- **Output Power:** Up to 13W in buck topology  
- **Switching Frequency:** 60 kHz (fixed)  
- **Operating Temperature Range:** -40°C to +150°C  
- **Package:** SO-8  
- **Integrated Features:**  
  - 800V avalanche-rugged power MOSFET  
  - PWM current-mode control  
  - Auto-restart protection (overload, short-circuit, open-loop)  
  - Thermal shutdown  
  - Soft-start  

### **Descriptions:**  
The VIPER17LD is a monolithic IC designed for offline flyback and buck converters. It integrates an 800V power MOSFET with a current-mode PWM controller, making it suitable for low-power SMPS applications. The device operates in 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:** <30mW at 230V AC.  
- **Frequency Jittering:** Reduces EMI emissions.  
- **Protections:**  
  - Overvoltage (OVP)  
  - Overload (OLP)  
  - Short-circuit (SCP)  
  - Thermal shutdown (OTP)  
- **Adjustable Output Voltage:** Via external feedback network.  
- **Green Mode Operation:** Enhances efficiency at light loads.  

This information is strictly based on the manufacturer's datasheet and technical documentation.

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