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TNY277PN
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TNY277PN

Product Overview

Category

TNY277PN belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in power management applications.

Characteristics

  • TNY277PN is a highly efficient offline switcher IC.
  • It incorporates a 700V power MOSFET, oscillator, high-voltage switched current source, current limit, and thermal shutdown circuitry.
  • The device offers excellent performance with low standby power consumption.
  • It is designed for applications requiring precise regulation of output voltage and current.

Package

TNY277PN is available in a compact DIP-7 package.

Essence

The essence of TNY277PN lies in its ability to provide reliable and efficient power management solutions.

Packaging/Quantity

This product 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 15W
  • Frequency Range: 132kHz to 150kHz
  • Operating Temperature Range: -40°C to +125°C
  • Efficiency: Up to 89%
  • Standby Power Consumption: Less than 30mW

Detailed Pin Configuration

  1. VDD: Power supply input
  2. BP/M: Bypass/Multifunction pin
  3. FB: Feedback pin
  4. GND: Ground
  5. D: Drain pin
  6. S: Source pin
  7. FBP: Feed-forward compensation pin

Functional Features

  • Integrated high-voltage power MOSFET enables a compact design.
  • Auto-restart protection feature ensures safe operation during fault conditions.
  • Frequency jittering reduces EMI emissions.
  • Built-in current limit and thermal shutdown protection enhance system reliability.
  • Accurate output voltage and current regulation for precise power management.

Advantages and Disadvantages

Advantages

  • High efficiency leads to reduced power consumption.
  • Compact size allows for space-saving designs.
  • Wide input voltage range enables versatile applications.
  • Integrated protection features enhance system reliability.

Disadvantages

  • Limited output power compared to higher-rated devices.
  • Requires careful thermal management in high-power applications.

Working Principles

TNY277PN operates on the principle of pulse frequency modulation (PFM). It regulates the output voltage by adjusting the duty cycle of the internal oscillator. The integrated power MOSFET switches the input voltage to the output, providing efficient power transfer. The device continuously monitors the output voltage and adjusts the switching frequency accordingly to maintain precise regulation.

Detailed Application Field Plans

TNY277PN finds extensive application in various fields, including but not limited to: 1. Power adapters for consumer electronics 2. LED lighting systems 3. Industrial control systems 4. Home appliances 5. Automotive electronics

Detailed and Complete Alternative Models

  1. TNY276PN: Similar to TNY277PN, but with a lower output power rating.
  2. TNY278PN: Similar to TNY277PN, but with a higher output power rating.
  3. TNY279PN: Similar to TNY277PN, but with additional features such as adjustable current limit.

These alternative models provide flexibility in choosing the appropriate IC based on specific application requirements.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de TNY277PN en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of TNY277PN in technical solutions:

  1. Q: What is TNY277PN? A: TNY277PN is a power integrated circuit (IC) designed for offline switch mode power supplies (SMPS) applications.

  2. Q: What are the key features of TNY277PN? A: TNY277PN features include high efficiency, low standby power consumption, built-in safety features, and wide input voltage range.

  3. Q: What is the typical application of TNY277PN? A: TNY277PN is commonly used in various applications such as LED lighting, consumer electronics, industrial controls, and home appliances.

  4. Q: What is the maximum output power that TNY277PN can handle? A: TNY277PN can handle a maximum output power of up to 15 watts.

  5. Q: Does TNY277PN require an external heat sink? A: No, TNY277PN does not require an external heat sink due to its low power dissipation.

  6. Q: Can TNY277PN operate with both AC and DC inputs? A: No, TNY277PN is specifically designed for AC input applications and cannot operate with DC inputs.

  7. Q: Is TNY277PN suitable for universal input voltage applications? A: Yes, TNY277PN supports a wide input voltage range from 85VAC to 265VAC, making it suitable for universal input voltage applications.

  8. Q: Does TNY277PN have any built-in protection features? A: Yes, TNY277PN incorporates various built-in protection features like overvoltage protection, thermal shutdown, and auto-restart.

  9. Q: Can TNY277PN be used in dimmable lighting applications? A: Yes, TNY277PN can be used in dimmable lighting applications with the addition of external components.

  10. Q: Are there any recommended reference designs available for TNY277PN? A: Yes, the manufacturer provides application notes and reference designs that can help in implementing TNY277PN in various technical solutions.

Please note that the answers provided here are general and may vary depending on the specific requirements and datasheet of TNY277PN.