Power Integrations
L'immagine può essere rappresentativa.
Vedi le specifiche per i dettagli del prodotto.
TNY254PN
vedi dettagli Schede tecniche

TNY254PN

Product Overview

Category

TNY254PN belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in power management applications.

Characteristics

  • TNY254PN is a highly efficient and compact device.
  • It offers excellent performance in terms of power conversion.
  • The IC is designed to provide reliable and stable power supply solutions.

Package

TNY254PN comes in a standard DIP-7 package.

Essence

The essence of TNY254PN lies in its ability to efficiently regulate and convert electrical power.

Packaging/Quantity

This IC is typically sold in reels or tubes, with each reel/tube containing a specific quantity of TNY254PN units.

Specifications

  • Input Voltage Range: 85V - 265V AC
  • Output Power: Up to 10W
  • Operating Temperature Range: -40°C to +125°C
  • Efficiency: Greater than 80%
  • Frequency Range: 132 kHz - 150 kHz
  • Standby Power Consumption: Less than 30 mW

Detailed Pin Configuration

  1. VDD: Power supply input
  2. BP/M: Burst mode control pin
  3. FB: Feedback pin for output voltage regulation
  4. GND: Ground reference
  5. D: Drain pin for primary side switch
  6. S: Source pin for primary side switch
  7. F: Frequency control pin

Functional Features

  • Integrated high-voltage power MOSFET
  • Auto-restart protection feature for enhanced reliability
  • Built-in frequency jittering for reduced EMI emissions
  • Advanced line under-voltage detection for improved safety
  • Over-temperature protection mechanism

Advantages and Disadvantages

Advantages

  • High efficiency leads to energy savings
  • Compact size allows for space-efficient designs
  • Wide input voltage range enhances versatility
  • Robust protection features ensure reliable operation

Disadvantages

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

Working Principles

TNY254PN operates on the principle of primary-side regulation. It utilizes a flyback topology to convert the input AC voltage into a regulated DC output. The integrated high-voltage MOSFET acts as the primary side switch, controlling the energy transfer to the secondary side through a transformer. The feedback mechanism adjusts the duty cycle of the primary switch to maintain the desired output voltage.

Detailed Application Field Plans

TNY254PN finds applications in various fields, including but not limited to: 1. Power adapters and chargers 2. LED lighting systems 3. Home appliances 4. Industrial control systems 5. Consumer electronics

Detailed and Complete Alternative Models

  1. TNY253PN: Similar to TNY254PN but with lower output power capability.
  2. TNY255PN: Similar to TNY254PN but with higher output power capability.
  3. TNY256PN: Similar to TNY254PN but with additional features such as built-in over-current protection.

These alternative models provide options based on specific power requirements and feature preferences.

In conclusion, TNY254PN is a highly efficient and compact integrated circuit used for power management applications. Its key features include a wide input voltage range, robust protection mechanisms, and excellent performance. While it has certain limitations in terms of output power and external component requirements, it offers significant advantages in terms of energy savings and reliability. With its diverse application possibilities and alternative models available, TNY254PN proves to be a versatile choice for power supply solutions.

10 domande e risposte comuni relative all'applicazione di TNY254PN nelle soluzioni tecniche

Sure! Here are 10 common questions and answers related to the application of TNY254PN in technical solutions:

  1. Q: What is TNY254PN? A: TNY254PN is a highly integrated offline switcher IC (integrated circuit) designed for low-power applications.

  2. Q: What are the typical applications of TNY254PN? A: TNY254PN 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 TNY254PN? A: TNY254PN supports an input voltage range of 85VAC to 265VAC.

  4. Q: What is the maximum output power that can be achieved with TNY254PN? A: The maximum output power depends on the specific design and application, but typically ranges from 5W to 15W.

  5. Q: Does TNY254PN require an external MOSFET? A: No, TNY254PN integrates a high-voltage power MOSFET, eliminating the need for an external one.

  6. Q: Can TNY254PN operate in a wide temperature range? A: Yes, TNY254PN is designed to operate reliably in a temperature range of -40°C to +150°C.

  7. Q: Is TNY254PN suitable for universal input voltage applications? A: Yes, TNY254PN is specifically designed for universal input voltage applications, making it suitable for worldwide use.

  8. Q: Does TNY254PN have built-in protection features? A: Yes, TNY254PN incorporates various protection features like over-temperature protection, overvoltage protection, and overload protection.

  9. Q: Can TNY254PN be used in dimmable LED lighting applications? A: Yes, TNY254PN can be used in dimmable LED lighting applications with the addition of external components.

  10. Q: Is TNY254PN compliant with safety standards and regulations? A: Yes, TNY254PN is designed to meet safety standards such as UL, EN, and IEC, ensuring compliance with regulatory requirements.

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