Power Integrations
画像はイメージの場合もございます。
商品詳細は仕様をご覧ください。
TNY278GN-TL
詳細を表示 DataSheets

TNY278GN-TL

Product Overview

Category

TNY278GN-TL belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in power supply applications.

Characteristics

  • TNY278GN-TL is a highly efficient, low-power offline switcher.
  • It integrates a 700V power MOSFET and control circuitry on a single chip.
  • The device operates in a frequency jittering mode to reduce EMI emissions.
  • It provides accurate output voltage regulation and protection features.

Package

TNY278GN-TL is available in a compact SMD package.

Essence

The essence of TNY278GN-TL lies in its ability to provide efficient and reliable power supply solutions in various applications.

Packaging/Quantity

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

Specifications

  • Input Voltage Range: 85VAC to 265VAC
  • Output Power: Up to 10W
  • Frequency Range: 132kHz to 150kHz
  • Maximum Duty Cycle: 72%
  • Standby Power Consumption: <30mW
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

TNY278GN-TL has the following pin configuration:

  1. VDD: Power supply input
  2. BP/M: Brown-in/Brown-out and frequency modulation input
  3. FB: Feedback input for output voltage regulation
  4. GND: Ground reference
  5. D: Drain pin for power MOSFET
  6. S: Source pin for power MOSFET
  7. EN/UV: Enable/Undervoltage lockout input
  8. NC: No connection

Functional Features

  • Integrated high-voltage power MOSFET enables a compact design.
  • Auto-restart feature protects against output faults and abnormal operating conditions.
  • Frequency jittering reduces electromagnetic interference (EMI).
  • Built-in line voltage compensation ensures stable output voltage across a wide input voltage range.
  • Over-temperature protection prevents damage to the IC.

Advantages and Disadvantages

Advantages

  • High efficiency and low power consumption.
  • Compact size and integration of key components.
  • Robust protection features.
  • Wide input voltage range.
  • Reduced EMI emissions.

Disadvantages

  • Limited output power capability (up to 10W).
  • Requires external components for complete power supply implementation.

Working Principles

TNY278GN-TL operates based on a frequency jittering mode. It uses a combination of control circuitry and a power MOSFET to regulate the output voltage. The device continuously adjusts the switching frequency to maintain stable output voltage, compensating for variations in input voltage and load conditions. It also incorporates various protection mechanisms to ensure safe operation.

Detailed Application Field Plans

TNY278GN-TL finds applications in various fields, including but not limited to: - Consumer electronics - LED lighting - Industrial automation - Power adapters - Home appliances

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to TNY278GN-TL are: - TNY277GN-TL - TNY279GN-TL - TNY280GN-TL

These models provide comparable features and can be considered as alternatives depending on specific application requirements.

In conclusion, TNY278GN-TL is a highly efficient and compact integrated circuit designed for power supply applications. Its advanced features, such as frequency jittering and built-in protection mechanisms, make it suitable for a wide range of applications. While it has certain limitations in terms of output power, it offers numerous advantages in terms of efficiency, size, and reliability.

技術ソリューションにおける TNY278GN-TL の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of TNY278GN-TL in technical solutions:

  1. Q: What is TNY278GN-TL? A: TNY278GN-TL is a highly integrated offline switcher IC designed for low-power applications, offering high efficiency and excellent performance.

  2. Q: What are the typical applications of TNY278GN-TL? A: TNY278GN-TL is commonly used in various low-power applications such as power adapters, chargers, LED lighting, and standby power supplies.

  3. Q: What is the input voltage range supported by TNY278GN-TL? A: TNY278GN-TL supports an input voltage range from 85V AC to 265V AC, making it suitable for worldwide use.

  4. Q: What is the maximum output power that can be achieved with TNY278GN-TL? A: The maximum output power depends on the specific design and application, but TNY278GN-TL can typically handle up to 15W of output power.

  5. Q: Does TNY278GN-TL require an external MOSFET? A: No, TNY278GN-TL integrates a high-voltage power MOSFET, eliminating the need for an external MOSFET in most applications.

  6. Q: Can TNY278GN-TL operate in a wide temperature range? A: Yes, TNY278GN-TL has a wide operating temperature range of -40°C to +150°C, ensuring reliable operation even in harsh environments.

  7. Q: Is TNY278GN-TL capable of providing overvoltage protection? A: Yes, TNY278GN-TL incorporates built-in overvoltage protection (OVP) to safeguard the system against voltage spikes and transients.

  8. Q: Does TNY278GN-TL support frequency jittering for EMI reduction? A: Yes, TNY278GN-TL features frequency jittering to minimize electromagnetic interference (EMI) emissions, ensuring compliance with regulatory standards.

  9. Q: Can TNY278GN-TL be used in designs requiring high efficiency? A: Absolutely, TNY278GN-TL offers excellent efficiency across a wide load range, making it suitable for energy-efficient applications.

  10. Q: Are there any evaluation boards or reference designs available for TNY278GN-TL? A: Yes, Power Integrations provides evaluation boards and reference designs that can help designers quickly prototype and implement TNY278GN-TL in their applications.

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