VIPER15HN

Product Overview

Category: Integrated Power Switch
Use: Voltage Regulator
Characteristics: High efficiency, compact size, low standby power consumption
Package: PowerSO-10 package
Essence: Highly integrated offline converter with an 800V avalanche-rugged power section, PWM control, and protection circuitry
Packaging/Quantity: Available in tape and reel packaging, quantity depends on supplier

Specifications

Input Voltage Range: 90V to 264V AC
Output Voltage: Adjustable from 4.85V to 5.15V
Output Current: Up to 0.35A
Switching Frequency: 60kHz
Operating Temperature Range: -40°C to +150°C
Protection Features: Overvoltage protection, overcurrent protection, thermal shutdown, and undervoltage lockout

Detailed Pin Configuration

The VIPER15HN has the following pin configuration:

VCC: Supply voltage input
GND: Ground reference
FB: Feedback pin for output voltage regulation
CS: Current sense input
DRAIN: Drain pin for power MOSFET
SOURCE: Source pin for power MOSFET
VSENSE: Voltage sense input
VDD: Internal supply voltage
COMP: Compensation pin for loop stability
SYNC: Synchronization input for external clock

Functional Features

Integrated high-voltage startup
Pulse frequency modulation (PFM) operation at light load conditions for improved efficiency
Auto-restart after a fault condition
Built-in protections against overvoltage, overcurrent, and thermal shutdown
Low standby power consumption in burst mode operation

Advantages and Disadvantages

Advantages: - High efficiency conversion - Compact size for space-constrained applications - Wide input voltage range for universal compatibility - Built-in protection features for enhanced reliability - Low standby power consumption for energy savings

Disadvantages: - Limited output current capacity - Requires external components for complete circuit implementation

Working Principles

The VIPER15HN is an integrated offline converter that utilizes pulse frequency modulation (PFM) to regulate the output voltage. It operates by converting the high-voltage AC input into a regulated DC output voltage. The device incorporates a power MOSFET, control circuitry, and protection features to ensure safe and efficient operation.

Detailed Application Field Plans

The VIPER15HN is commonly used in various applications, including but not limited to: - Power supplies for consumer electronics - LED lighting drivers - Industrial automation systems - Home appliances - Battery chargers

Alternative Models

For alternative options, consider the following models: - VIPER16LN - VIPER26LN - VIPER27LN - VIPER28LHN

These models offer similar functionality and can be suitable replacements depending on specific requirements.

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Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням VIPER15HN у технічних рішеннях

Sure! Here are 10 common questions and answers related to the application of VIPER15HN in technical solutions:

Q: What is VIPER15HN?
A: VIPER15HN is a high-voltage converter IC designed for offline power supplies.
Q: What are the key features of VIPER15HN?
A: VIPER15HN offers a wide input voltage range, integrated high-voltage startup, built-in protections, and low standby power consumption.
Q: What applications can VIPER15HN be used for?
A: VIPER15HN is commonly used in applications such as LED lighting, home appliances, industrial automation, and power adapters.
Q: How does VIPER15HN help in LED lighting applications?
A: VIPER15HN provides efficient power conversion and dimming control capabilities, making it suitable for driving LEDs in various lighting applications.
Q: Can VIPER15HN handle high-voltage inputs?
A: Yes, VIPER15HN can handle input voltages up to 800V, making it suitable for applications with high-voltage requirements.
Q: Does VIPER15HN have any built-in protection features?
A: Yes, VIPER15HN includes features like overvoltage protection (OVP), overload protection (OLP), and thermal shutdown to ensure safe operation.
Q: What is the standby power consumption of VIPER15HN?
A: VIPER15HN has a low standby power consumption of less than 30mW, which helps in meeting energy efficiency standards.
Q: Can VIPER15HN be used in battery-powered applications?
A: No, VIPER15HN is primarily designed for offline power supplies and requires an AC input source.
Q: Is VIPER15HN easy to integrate into existing designs?
A: Yes, VIPER15HN comes in a compact package and offers a simple application circuit, making it relatively easy to integrate into existing designs.
Q: Are there any reference designs or evaluation boards available for VIPER15HN?
A: Yes, STMicroelectronics provides reference designs and evaluation boards that can help developers quickly prototype and evaluate VIPER15HN-based solutions.

Please note that the answers provided here are general and may vary depending on specific requirements and applications.