Power Integrations
Изображение может быть репрезентативным.
Подробную информацию о продукте см. в характеристиках.
TNY275GN
Посмотреть детали Таблицы данных

TNY275GN

Product Overview

Category

TNY275GN belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in power supply applications.

Characteristics

  • TNY275GN is a highly efficient, low-power offline switcher.
  • It operates at high frequency and provides accurate control over output voltage.
  • The IC incorporates various protection features such as thermal shutdown, line undervoltage lockout, and auto-restart.

Package

TNY275GN is available in a compact and industry-standard SMD package.

Essence

The essence of TNY275GN lies in its ability to efficiently convert high-voltage AC input into low-voltage DC output, making it suitable for various power supply applications.

Packaging/Quantity

TNY275GN is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

  • Input Voltage Range: 85VAC to 265VAC
  • Output Power: Up to 15W
  • Switching Frequency: 132 kHz (typical)
  • Maximum Duty Cycle: 72%
  • Standby Power Consumption: Less than 30mW
  • Operating Temperature Range: -40°C to +150°C

Detailed Pin Configuration

TNY275GN has the following pin configuration:

  1. VDD: Supply voltage pin
  2. BP/M: Burst mode operation pin
  3. FB: Feedback pin for output voltage regulation
  4. D: Drain pin for primary side switching
  5. GND: Ground pin
  6. S: Source pin for primary side switching

Functional Features

  • Integrated high-voltage power MOSFET
  • Auto-restart protection for fault conditions
  • Accurate output voltage regulation
  • Frequency jittering for reduced EMI emissions
  • Built-in soft-start for controlled startup

Advantages and Disadvantages

Advantages

  • High efficiency leading to reduced power consumption
  • Compact size and lightweight design
  • Wide input voltage range for versatile applications
  • Comprehensive protection features ensure safe operation

Disadvantages

  • Limited output power compared to higher-rated ICs
  • Requires external components for complete circuit implementation

Working Principles

TNY275GN operates on the principle of pulse width modulation (PWM). It generates high-frequency switching pulses that control the duty cycle of the power MOSFET, regulating the output voltage. The IC continuously monitors the feedback signal to maintain the desired output voltage level.

Detailed Application Field Plans

TNY275GN finds extensive application in various power supply systems, including but not limited to: - AC-DC adapters - LED lighting - Home appliances - Industrial equipment - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to TNY275GN that offer similar functionality include: - TNY274GN - TNY276GN - TNY277GN

These alternatives can be considered based on specific requirements and design constraints.

In conclusion, TNY275GN is a highly efficient offline switcher IC used in power supply applications. Its compact size, wide input voltage range, and comprehensive protection features make it suitable for diverse applications. However, designers should consider alternative models depending on their specific needs.

Перечислите 10 распространенных вопросов и ответов, связанных с применением TNY275GN в технических решениях.

Sure! Here are 10 common questions and answers related to the application of TNY275GN in technical solutions:

  1. Q: What is TNY275GN? A: TNY275GN is a highly integrated offline switcher IC designed for low-power applications.

  2. Q: What are the typical applications of TNY275GN? A: TNY275GN is commonly used in applications such as power adapters, chargers, LED lighting, and standby power supplies.

  3. Q: What is the input voltage range supported by TNY275GN? A: TNY275GN supports an input voltage range of 85VAC to 265VAC.

  4. Q: What is the maximum output power that can be achieved with TNY275GN? A: The maximum output power depends on the specific design and operating conditions, but typically ranges from 5W to 15W.

  5. Q: Does TNY275GN require an external MOSFET? A: No, TNY275GN integrates a high-voltage power MOSFET, eliminating the need for an external component.

  6. Q: Can TNY275GN operate in a wide temperature range? A: Yes, TNY275GN is designed to operate reliably in a temperature range of -40°C to +150°C.

  7. Q: Does TNY275GN provide protection features? A: Yes, TNY275GN includes various protection features like overvoltage protection (OVP), overload protection (OLP), and thermal shutdown.

  8. Q: What is the efficiency of TNY275GN? A: TNY275GN offers high efficiency, typically above 80%, which helps reduce power consumption and heat generation.

  9. Q: Can TNY275GN be used in dimmable LED lighting applications? A: Yes, TNY275GN can be used in dimmable LED lighting applications by incorporating additional circuitry for dimming control.

  10. Q: Are there any reference designs available for TNY275GN? A: Yes, the manufacturer provides reference designs and application notes that can help in implementing TNY275GN in various technical solutions.

Please note that these answers are general and may vary depending on specific design considerations and requirements.