Power Integrations
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TNY253PN
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TNY253PN

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - Low power consumption - High efficiency - Compact size - Wide input voltage range - Built-in protection features

Package: DIP-7 (Dual In-line Package)

Essence: TNY253PN is a power management IC designed for low power applications. It provides efficient power conversion and includes various protection features.

Packaging/Quantity: TNY253PN is typically sold in reels or tubes, with each reel/tube containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the supplier.

Specifications

  • Input Voltage Range: 85V - 265V AC
  • Output Voltage: 5V DC
  • Maximum Output Current: 100mA
  • Operating Temperature Range: -40°C to +125°C
  • Package Type: DIP-7
  • Pin Count: 7

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. F: Frequency setting pin

Functional Features

  • Primary-side regulation (PSR) control
  • Auto-restart protection
  • Overload protection
  • Overvoltage protection
  • Undervoltage lockout
  • Frequency jittering for reduced EMI
  • Built-in soft-start function

Advantages and Disadvantages

Advantages: - High efficiency power conversion - Compact size suitable for space-constrained applications - Wide input voltage range allows for versatile use - Built-in protection features enhance system reliability - Low power consumption contributes to energy savings

Disadvantages: - Limited output current may not be suitable for high-power applications - DIP-7 package may require additional PCB space compared to surface-mount packages

Working Principles

TNY253PN utilizes primary-side regulation (PSR) control, which enables it to regulate the output voltage without requiring an optocoupler or secondary-side feedback circuit. This simplifies the design and reduces component count. The IC operates by adjusting the duty cycle of the internal power switch based on the feedback signal received from the FB pin.

Detailed Application Field Plans

TNY253PN is commonly used in various low-power applications, including but not limited to: - Power supplies for consumer electronics - LED lighting systems - Home automation devices - Battery chargers - Industrial control systems

Detailed and Complete Alternative Models

  1. TNY254PN: Similar to TNY253PN with higher output current capability (150mA)
  2. TNY255PN: Similar to TNY253PN with wider input voltage range (70V - 440V AC)
  3. TNY256PN: Similar to TNY253PN with additional protection features (e.g., short-circuit protection)

These alternative models offer similar functionality to TNY253PN but may have different specifications or additional features to suit specific application requirements.

Note: The above information provides a general overview of TNY253PN. For detailed technical specifications and application guidelines, refer to the manufacturer's datasheet.

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기술 솔루션에 TNY253PN 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.

Sure! Here are 10 common questions and answers related to the application of TNY253PN in technical solutions:

  1. Q: What is TNY253PN? A: TNY253PN is a power integrated circuit (IC) that combines multiple functions required for offline power conversion.

  2. Q: What are the typical applications of TNY253PN? A: TNY253PN is commonly used in various low-power applications such as adapters, chargers, LED lighting, and auxiliary power supplies.

  3. Q: What is the input voltage range supported by TNY253PN? A: TNY253PN supports an input voltage range of 85VAC to 265VAC, making it suitable for worldwide use.

  4. Q: Can TNY253PN handle high-frequency switching? A: Yes, TNY253PN is designed to operate at high frequencies, typically in the range of tens to hundreds of kilohertz.

  5. Q: Does TNY253PN have built-in protection features? A: Yes, TNY253PN incorporates various protection features like overvoltage protection (OVP), overload protection (OLP), and thermal shutdown.

  6. Q: What is the maximum output power that TNY253PN can handle? A: The maximum output power of TNY253PN depends on the specific application and design considerations but is typically around 15-20 watts.

  7. Q: Is TNY253PN suitable for isolated or non-isolated designs? A: TNY253PN is primarily designed for non-isolated applications, where there is no galvanic isolation between the input and output.

  8. Q: Can TNY253PN be used in dimmable LED lighting applications? A: Yes, TNY253PN can be used in dimmable LED lighting applications by incorporating additional circuitry for dimming control.

  9. Q: What are the advantages of using TNY253PN in power supply designs? A: Some advantages include high efficiency, low standby power consumption, compact size, and simplified design due to integrated features.

  10. Q: Are there any reference designs or application notes available for TNY253PN? A: Yes, the manufacturer provides reference designs and application notes that can help engineers in implementing TNY253PN in their designs efficiently.

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