VIPER100A

Product Overview

Category

VIPER100A belongs to the category of power management integrated circuits (PMICs).

Use

It is primarily used for offline converters in low-power SMPS (Switched-Mode Power Supply) applications.

Characteristics

• VIPER100A is a highly efficient and compact PMIC.
• It offers excellent performance in terms of power conversion and control.
• The device operates at high frequency, ensuring reduced size and weight of the overall system.
• It provides reliable protection features such as overvoltage, overcurrent, and overtemperature protection.

Package

VIPER100A is available in a compact and industry-standard package, making it suitable for various applications.

Essence

The essence of VIPER100A lies in its ability to efficiently convert and regulate power in low-power SMPS applications.

Packaging/Quantity

VIPER100A is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Input voltage range: 85V - 265V AC
• Output voltage range: 5V - 24V DC
• Maximum output power: 8W
• Switching frequency: 60kHz - 115kHz
• Operating temperature range: -40°C to +150°C

Detailed Pin Configuration

1. VCC: Power supply input pin
2. GND: Ground reference pin
3. FB: Feedback pin for voltage regulation
4. CS: Current sense pin for current regulation
5. EN: Enable pin for device activation
6. VSENSE: Voltage sense pin for feedback loop compensation
7. DRAIN: High-voltage power switch drain pin
8. SOURCE: High-voltage power switch source pin

Functional Features

• Integrated high-voltage power switch
• Pulse Frequency Modulation (PFM) operation for improved efficiency at light loads
• Built-in protection features for enhanced reliability
• Soft-start function to prevent excessive inrush current during startup
• Overvoltage, overcurrent, and overtemperature protection

Advantages and Disadvantages

Advantages

• High efficiency and compact size
• Wide input voltage range for versatile applications
• Reliable protection features ensure system safety
• PFM operation improves efficiency at light loads

Disadvantages

• Limited maximum output power (8W)
• Operating temperature range may restrict certain applications

Working Principles

VIPER100A operates on the principle of high-frequency switching to convert and regulate power efficiently. It utilizes a high-voltage power switch and various control mechanisms to achieve desired output voltage and current levels.

Detailed Application Field Plans

VIPER100A finds extensive application in low-power SMPS designs, including but not limited to: - Power adapters for consumer electronics - LED lighting systems - Industrial automation equipment - Home appliances - Battery chargers

Detailed and Complete Alternative Models

1. VIPER100: Similar to VIPER100A with minor variations in specifications.
2. VIPER101: Higher power version of VIPER100A with increased maximum output power.
3. VIPER102: Lower power version of VIPER100A with reduced maximum output power.

These alternative models provide flexibility in choosing the most suitable PMIC based on specific application requirements.

In conclusion, VIPER100A is a highly efficient and compact power management integrated circuit designed for low-power SMPS applications. With its excellent performance, reliable protection features, and wide range of applications, it serves as a reliable solution for power conversion and control needs.