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TNY280PG
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TNY280PG

Product Overview

Category

TNY280PG belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in power supply applications.

Characteristics

  • TNY280PG is a highly efficient, low-power offline switcher.
  • It incorporates a 700V power MOSFET and a controller.
  • The device operates in a frequency jittering mode to reduce EMI and improve efficiency.
  • It provides accurate output voltage regulation and comprehensive protection features.

Package

TNY280PG is available in a compact DIP-7 package.

Essence

The essence of TNY280PG lies in its ability to efficiently regulate and control power supply voltages.

Packaging/Quantity

This IC is typically sold in reels containing a quantity of 2500 units.

Specifications

  • Input Voltage Range: 85VAC to 265VAC
  • Output Power: Up to 15W
  • Frequency Range: 132kHz to 150kHz
  • Maximum Duty Cycle: 72%
  • Standby Power: <30mW at 230VAC input

Detailed Pin Configuration

  1. VCC - Power supply voltage input
  2. BP/M - Bypass/Multiplier pin for setting various functions
  3. FB - Feedback pin for output voltage regulation
  4. GND - Ground reference
  5. D - Drain pin for power MOSFET
  6. S - Source pin for power MOSFET
  7. F - Frequency setting pin

Functional Features

  • Frequency jittering for reduced electromagnetic interference (EMI)
  • Auto-restart protection for fault conditions
  • Accurate output voltage regulation
  • Built-in current limit and thermal shutdown protection
  • Low standby power consumption

Advantages and Disadvantages

Advantages

  • High efficiency leading to energy savings
  • Compact package size for space-constrained applications
  • Comprehensive protection features ensure system reliability
  • Wide input voltage range allows for global compatibility

Disadvantages

  • Limited output power capability (up to 15W)
  • Requires external components for complete power supply implementation

Working Principles

TNY280PG operates by converting the input AC voltage into a regulated DC voltage using a combination of a power MOSFET and a controller. The device employs frequency jittering to minimize EMI emissions and improve overall efficiency. It continuously monitors the output voltage and adjusts the duty cycle accordingly to maintain accurate regulation. In case of fault conditions, such as overcurrent or overheating, the IC provides auto-restart protection to ensure safe operation.

Detailed Application Field Plans

TNY280PG finds extensive application in various power supply systems, including but not limited to: - AC/DC adapters - LED lighting - Home appliances - Industrial equipment - Consumer electronics

Detailed and Complete Alternative Models

  1. TNY280P: Similar to TNY280PG, but available in a different package (e.g., SMD-8).
  2. TNY280PN: A variant with additional features like frequency dithering and line undervoltage detection.
  3. TNY280DG: A higher-power version capable of delivering up to 30W of output power.

These alternative models offer similar functionality and can be considered as substitutes depending on specific requirements.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de TNY280PG en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of TNY280PG in technical solutions:

  1. Q: What is TNY280PG? A: TNY280PG is a highly integrated offline switcher IC (integrated circuit) designed for low-power applications.

  2. Q: What are the key features of TNY280PG? A: The key features of TNY280PG include high efficiency, low standby power consumption, built-in protection features, and wide input voltage range.

  3. Q: What are the typical applications of TNY280PG? A: TNY280PG is commonly used in various low-power applications such as power adapters, chargers, LED lighting, and home appliances.

  4. Q: What is the maximum output power that TNY280PG can handle? A: TNY280PG can handle a maximum output power of up to 15 watts, depending on the specific application and operating conditions.

  5. Q: Does TNY280PG require an external MOSFET for operation? A: No, TNY280PG integrates a high-voltage power MOSFET, eliminating the need for an external MOSFET.

  6. Q: Can TNY280PG operate with both AC and DC input voltages? A: Yes, TNY280PG is designed to work with both AC and DC input voltages, making it versatile for different applications.

  7. Q: What are the main advantages of using TNY280PG in technical solutions? A: The main advantages of using TNY280PG include its compact size, high efficiency, low standby power consumption, and built-in protection features.

  8. Q: Is TNY280PG suitable for battery-powered applications? A: While TNY280PG is primarily designed for line-powered applications, it can be used in battery-powered applications with appropriate voltage regulation and power management.

  9. Q: Does TNY280PG support dimming control for LED lighting applications? A: Yes, TNY280PG supports various dimming control techniques for LED lighting applications, such as pulse width modulation (PWM) or analog dimming.

  10. Q: Are there any specific design considerations when using TNY280PG in technical solutions? A: Yes, some design considerations include thermal management, input/output voltage requirements, component selection, and proper PCB layout to ensure optimal performance and reliability.

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