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TNY288DG
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TNY288DG

Product Overview

Category

TNY288DG belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in power supply applications.

Characteristics

  • TNY288DG is a low-power offline switcher that provides high efficiency and excellent performance.
  • It operates at a frequency of 132 kHz, allowing for compact transformer designs.
  • The IC incorporates various protection features such as thermal shutdown, auto-restart, and frequency jittering.
  • It offers accurate and adjustable output voltage control.
  • TNY288DG is designed to meet international safety standards.

Package

The TNY288DG IC comes in a small outline package (SOP) with eight pins.

Essence

The essence of TNY288DG 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

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

Specifications

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

Detailed Pin Configuration

  1. Drain
  2. Source
  3. Feedback
  4. Ground
  5. Sense
  6. VCC
  7. Control
  8. NC (No Connection)

Functional Features

  • Accurate and adjustable output voltage control
  • Auto-restart protection feature in case of fault conditions
  • Frequency jittering for reduced EMI emissions
  • Built-in thermal shutdown for overtemperature protection
  • Integrated soft-start for controlled startup operation

Advantages and Disadvantages

Advantages

  • High efficiency leading to energy savings
  • Compact transformer design due to high operating frequency
  • Compliance with international safety standards
  • Built-in protection features enhance system reliability

Disadvantages

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

Working Principles

TNY288DG operates on the principle of a flyback converter. It uses a high-frequency switching transistor to control the energy transfer from the primary side to the secondary side of the transformer. The IC regulates the output voltage by adjusting the duty cycle of the switching transistor, ensuring a stable and accurate output.

Detailed Application Field Plans

TNY288DG finds applications in various fields, including but not limited to: 1. Consumer electronics: Power adapters, chargers, and small appliances. 2. LED lighting: LED drivers for residential and commercial lighting solutions. 3. Industrial equipment: Power supplies for control systems, sensors, and actuators. 4. Telecommunications: Power modules for communication devices and network equipment. 5. Automotive: Auxiliary power supplies for automotive electronics.

Detailed and Complete Alternative Models

  1. TNY278DG
  2. TNY279DG
  3. TNY280DG
  4. TNY281DG
  5. TNY282DG
  6. TNY283DG
  7. TNY284DG
  8. TNY285DG
  9. TNY286DG
  10. TNY287DG

These alternative models offer similar functionality and can be considered as replacements for TNY288DG based on specific application requirements.

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Luettele 10 yleistä kysymystä ja vastausta, jotka liittyvät TNY288DG :n soveltamiseen teknisissä ratkaisuissa

Sure! Here are 10 common questions and answers related to the application of TNY288DG in technical solutions:

  1. Q: What is TNY288DG? A: TNY288DG is a highly integrated offline switcher IC (integrated circuit) designed for low-power applications.

  2. Q: What are the typical applications of TNY288DG? A: TNY288DG is commonly used in power supply designs for various electronic devices such as home appliances, consumer electronics, and industrial equipment.

  3. Q: What is the input voltage range supported by TNY288DG? A: TNY288DG supports a wide input voltage range from 85V AC to 265V AC, making it suitable for global applications.

  4. Q: Can TNY288DG handle high power loads? A: No, TNY288DG is designed for low-power applications and is not suitable for high power loads. It is typically used for power supplies up to 15W.

  5. Q: Does TNY288DG require an external MOSFET? A: No, TNY288DG integrates a high-voltage power MOSFET, eliminating the need for an external MOSFET in most applications.

  6. Q: What are the key features of TNY288DG? A: Some key features of TNY288DG include primary-side regulation, frequency jittering for reduced EMI, built-in safety features, and high efficiency.

  7. Q: Is TNY288DG suitable for flyback converter topologies? A: Yes, TNY288DG is specifically designed for flyback converter topologies, which are commonly used in low-power applications.

  8. Q: Can TNY288DG operate in continuous or discontinuous conduction mode? A: TNY288DG can operate in both continuous conduction mode (CCM) and discontinuous conduction mode (DCM), providing flexibility in design.

  9. Q: Does TNY288DG have built-in protection features? A: Yes, TNY288DG incorporates various protection features such as overvoltage protection (OVP), overload protection (OLP), and thermal shutdown.

  10. Q: Are there any reference designs available for TNY288DG? A: Yes, the manufacturer of TNY288DG provides reference designs and application notes to assist engineers in implementing the IC in their designs.

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