TNY284DG-TL

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TNY284DG-TL

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Attribut Wert
Package / Case Tape & Reel (TR),Cut Tape (CT)
Series TinySwitch®-4
Part Status Active
Output Isolation Isolated
Internal Switch(s) Yes
Voltage - Breakdown 725V
Topology Flyback
Duty Cycle 67%
Frequency - Switching 124kHz ~ 140kHz
Power (Watts) 6 W
Fault Protection Current Limiting, Open Loop, Over Temperature, Over Voltage, Short Circuit
Control Features EN
Operating Temperature -40°C ~ 150°C (TJ)
Supplier Device Package SO-8C

Übersicht

Description

The TNY284DG-TL is a member of the TinySwitch-III family, which is a series of energy-efficient, off-line switcher ICs designed by Power Integrations. These ICs are typically used in power supply applications, offering a combination of high efficiency and low standby power consumption. The TNY284DG-TL integrates a 700 V power MOSFET, oscillator, high voltage switched current source, current limit, and thermal shutdown circuitry.
Key features include its EcoSmart technology, which reduces power consumption in standby mode, and its ability to provide constant voltage and constant current outputs. The device is available in a variety of package options, with the 'DG' suffix indicating a specific surface-mount package type.
Applications for the TNY284DG-TL often include chargers, adapters, and power supplies for consumer electronics, where space efficiency and energy savings are crucial. Its robust protection mechanisms, such as over-temperature and over-current protection, enhance reliability and safety in diverse operating conditions.

Equivalent

The TNY284DG-TL is a part of the TinySwitch-4 series by Power Integrations, designed for energy-efficient AC-DC power conversion. Equivalent products can include similar low-power switcher ICs like:
1. TNY285DG (from the same series with slightly higher power capability)
2. TOPswitch series (also by Power Integrations)
3. ON Semiconductor's NCP1014 series
4. STMicroelectronics' VIPer12A series
5. Fairchild's FSQ series
Ensure compatibility in terms of voltage, current, and power specifications when considering alternatives.

Features

The TNY284DG-TL is a member of the TinySwitch-4 family of integrated circuit devices designed for power supplies. Key features include:
1. Energy Efficiency: It provides high efficiency over a wide load range, reducing power loss.
2. Integrated Off-Line Switcher: Features a 700 V power MOSFET, oscillator, high-voltage switched current source, current limit, and thermal shutdown circuitry.
3. Primary-Side Regulation: Eliminates the need for an optocoupler, simplifying the design.
4. EcoSmart Technology: Optimizes energy efficiency, especially at low loads.
5. Low Component Count: Reduces the overall system cost by minimizing the number of components required.
6. Enhanced Flexibility: Supports a variety of design options due to its adjustable current limit.
7. Auto-Restart Protection: Provides safety features including over-temperature and overcurrent protection.
8. Tiny Package Size: Available in an SMD package, making it suitable for compact designs.
These features make the TNY284DG-TL ideal for low-power, cost-sensitive applications such as chargers, adapters, and auxiliary power supplies.

Pinout

The TNY284DG-TL is a member of the TNY280 series of TinySwitch-4 family from Power Integrations. It is designed for use in energy-efficient power supplies. The device is typically packaged in an SO-8 (SMD) form factor and has 8 pins. Here's a concise overview of its pin functions:
1. DRAIN (D): This pin is connected to the internal high-voltage power MOSFET drain. It is used for high-voltage switching in the power supply.
2. SOURCE (S): The SOURCE pin (multiple pins, usually 3-4 for thermal and electrical reasons) serves as the power ground and the return path for the primary current.
3. BP (Bypass): This pin connects to an external bypass capacitor. It is used for the internal regulator and control circuitry.
4. EN/UV (Enable/Undervoltage): This multifunctional pin is used to enable or disable the device and to detect undervoltage conditions.
5. FEEDBACK (FB): The FEEDBACK pin is used to regulate the output voltage by monitoring the output and adjusting the duty cycle of the internal MOSFET.
These pins together enable efficient power conversion in AC-DC power supply applications.

Manufacturer

The TNY284DG-TL is manufactured by Power Integrations, Inc. This company specializes in the design and development of high-performance electronic components used in high-voltage power conversion systems. Power Integrations is known for its innovative solutions in the field of power electronics, particularly focusing on energy-efficient and environmentally friendly technologies. Their products are widely used in applications such as power supplies, chargers, lighting, and motor drives. Power Integrations combines advanced technology and design expertise to provide solutions that enhance performance and reduce energy consumption in electronic devices.

Application

The TNY284DG-TL is a compact, high-efficiency switching power supply IC used in various applications. It is commonly employed in consumer electronics such as chargers for mobile devices, adapters, and power supplies for small appliances. Its high efficiency and low standby power consumption make it suitable for applications requiring Energy Star compliance. Additionally, it can be found in home automation devices, LED drivers, and auxiliary power supplies in larger systems. Its integrated features and protection mechanisms ensure reliability, making it ideal for cost-sensitive and compact power conversion solutions.

Package

The TNY284DG-TL is a Power Integrations TinySwitch-II series integrated circuit. It comes in an SO-8 surface-mounted package, which is a small-outline integrated circuit (SOIC) with 8 pins. This type of packaging is commonly used for compact electronic designs.

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