VIPER15LN

Product Overview

Category: Integrated Circuits (ICs)

Use: VIPER15LN is a high-voltage converter specifically designed for offline power supplies. It is commonly used in applications such as LED lighting, home appliances, and industrial equipment.

Characteristics: - High voltage capability - Low standby power consumption - Built-in protection features - Compact package size

Package: The VIPER15LN comes in a compact DIP-8 package, which ensures easy integration into various circuit designs.

Essence: This IC serves as a primary switcher in offline power supplies, providing efficient power conversion and regulation.

Packaging/Quantity: The VIPER15LN is typically sold in reels containing 2500 units per reel.

Specifications

• Input Voltage Range: 85V to 265V AC
• Output Voltage Range: 5V to 25V DC
• Maximum Output Power: 12W
• Switching Frequency: 60kHz
• Operating Temperature Range: -40°C to 150°C

Pin Configuration

The VIPER15LN has the following pin configuration:

1. Drain (D)
2. Source (S)
3. Feedback (FB)
4. Ground (GND)
5. VCC
6. Sense (SENSE)
7. Over-Temperature Protection (OTP)
8. Enable (EN)

Functional Features

• High Voltage Capability: The VIPER15LN can handle input voltages ranging from 85V to 265V AC, making it suitable for a wide range of applications.
• Low Standby Power Consumption: With its low standby power consumption, the VIPER15LN helps reduce energy wastage during idle periods.
• Built-in Protection Features: This IC incorporates various protection mechanisms, including over-temperature protection (OTP) and overcurrent protection (OCP), ensuring safe and reliable operation.
• Compact Design: The DIP-8 package allows for easy integration into space-constrained designs.

Advantages and Disadvantages

Advantages: - High voltage capability enables versatile application possibilities. - Low standby power consumption helps improve energy efficiency. - Built-in protection features enhance system reliability. - Compact package size facilitates easy integration.

Disadvantages: - Limited output power of 12W may not be suitable for high-power applications. - Operating temperature range up to 150°C may restrict usage in extreme environments.

Working Principles

The VIPER15LN operates as a primary switcher in offline power supplies. It utilizes a flyback topology, where energy is stored in the transformer during the switch-on period and transferred to the output during the switch-off period. This switching action allows for efficient power conversion and regulation.

Detailed Application Field Plans

The VIPER15LN finds extensive use in various applications, including: 1. LED Lighting: It can be employed in LED drivers for residential, commercial, and automotive lighting systems. 2. Home Appliances: The IC can be integrated into power supplies for appliances such as refrigerators, air conditioners, and washing machines. 3. Industrial Equipment: It is suitable for power supply units in industrial machinery, motor drives, and control systems.

Alternative Models

For those seeking alternative options, the following models offer similar functionality to the VIPER15LN: 1. VIPER26LN 2. VIPER27LN 3. VIPER28LN

These alternatives provide comparable features and can be considered based on specific application requirements.

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