VIPER28HN

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High voltage converter, energy-efficient, compact design
• Package: DIP-7, SO-8
• Essence: Voltage regulator and power switch
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier

Specifications

• Input Voltage Range: 4.5V to 30V
• Output Voltage Range: 3.3V to 28V
• Switching Frequency: Up to 200kHz
• Maximum Output Current: 280mA
• Operating Temperature Range: -40°C to +150°C

Detailed Pin Configuration

The VIPER28HN IC has the following pin configuration:

1. VCC: Supply voltage input
2. GND: Ground reference
3. FB: Feedback pin for output voltage regulation
4. CS: Current sense input for current limiting
5. COMP: Compensation pin for loop stability
6. DRAIN: High-voltage power switch drain
7. SOURCE: High-voltage power switch source

Functional Features

• Integrated high-voltage power switch
• Built-in startup current source
• Over-temperature protection
• Overload and short-circuit protection
• Adjustable output voltage through external resistors
• Low standby power consumption

Advantages and Disadvantages

Advantages: - Wide input voltage range - Compact package size - High efficiency - Built-in protection features - Adjustable output voltage

Disadvantages: - Limited maximum output current - Relatively high operating temperature range

Working Principles

The VIPER28HN is a high-voltage converter that combines a voltage regulator and a power switch. It operates by converting the input voltage to a regulated output voltage using a switching technique. The integrated power switch allows for efficient power conversion, while the feedback mechanism ensures stable and accurate output voltage regulation. The IC also incorporates various protection features to safeguard against over-temperature, overload, and short-circuit conditions.

Detailed Application Field Plans

The VIPER28HN is commonly used in various applications, including but not limited to:

1. Power supplies for consumer electronics
2. LED lighting systems
3. Industrial automation equipment
4. Automotive electronics
5. Telecommunication devices

Its compact design, wide input voltage range, and adjustable output voltage make it suitable for a diverse range of applications requiring efficient power management.

Detailed and Complete Alternative Models

1. VIPER26HN: Similar specifications and features, lower maximum output current (200mA)
2. VIPER27HN: Similar specifications and features, higher maximum output current (350mA)
3. VIPER29HN: Similar specifications and features, higher maximum output current (400mA)

These alternative models offer similar functionality to the VIPER28HN, with slight variations in maximum output current. Users can choose the model that best suits their specific requirements.

In conclusion, the VIPER28HN is a versatile high-voltage converter IC that combines a voltage regulator and a power switch. With its compact design, wide input voltage range, and adjustable output voltage, it finds applications in various industries. While it offers advantages such as high efficiency and built-in protection features, it has limitations in terms of maximum output current and operating temperature range. Users can consider alternative models with different output current capabilities based on their needs.