What is TNY276PN Chip?

 The TNY276PN is a low-power integrated switcher from Power Integrations, part of the TinySwitch-4 family of PWM (Pulse Width Modulation) controllers. The TNY276PN is designed primarily for power supply applications, offering high efficiency, compact size, and low standby power consumption. This IC is widely used in a variety of low-power power supplies, chargers, and consumer electronic devices. 

Key Features:

  1. Integrated PWM Controller and MOSFET: The TNY276PN integrates both the PWM controller and the power MOSFET in a single package. This reduces the overall component count, simplifies the design process, and minimizes board space in power supply designs.

  2. Low Standby Power: The TNY276PN is designed to minimize standby power consumption, making it highly energy-efficient for applications that need to operate continuously, such as power adapters, chargers, and standby power supplies. It is a key component for meeting energy efficiency standards in modern electronics.

  3. Wide Input Voltage Range: It operates with a wide input voltage range of 85V to 265V AC, making it suitable for global applications, as it can work with both 110V and 230V AC power sources without modification.

  4. High Efficiency: The IC operates with high efficiency, typically greater than 80% in many power supply designs. This is crucial for reducing heat generation and improving the overall performance of power supply circuits.

  5. Output Power: The TNY276PN is capable of providing output power in the range of 1W to 20W, depending on the specific application and operating conditions. It is suitable for low to medium power applications, such as small chargers, adapters, and auxiliary power supplies.

  6. Built-in Protection Features: The TNY276PN includes several protection features to ensure safe and reliable operation:

    • Overvoltage Protection (OVP): Protects the circuit from excessive voltage.
    • Overcurrent Protection (OCP): Protects the device from high current situations.
    • Thermal Shutdown: Prevents damage due to overheating by automatically disabling the IC if the temperature exceeds a safe limit.
    • Under-voltage Lockout (UVLO): Ensures proper operation by disabling the circuit when the input voltage is too low to function reliably.

  7. Compact Package: The TNY276PN is available in a DIP-8 or SOP-8 package, which is compact and easy to integrate into power supply designs.

  8. PWM Control: The IC operates at a switching frequency of approximately 132 kHz, enabling efficient voltage regulation and minimizing energy losses.

Applications:

  • Power Adapters and Chargers: The TNY276PN is commonly used in wall adapters, USB chargers, and other compact power supply units for consumer electronics such as smartphones, tablets, and portable devices.
  • Standby Power Supplies: Ideal for devices that require a small but efficient standby power supply, such as set-top boxes, television receivers, and networking equipment.
  • Battery-Powered Devices: Frequently used in applications where low standby power consumption is a priority, such as IoT devices, battery chargers, and portable electronics.
  • LED Drivers: Can be used in LED drivers for efficient energy conversion and regulation in low-power lighting applications.

Technical Specifications:

  • Input Voltage Range: 85V to 265V AC.
  • Switching Frequency: 132 kHz (typical).
  • Output Power: Up to 20W (depending on input voltage and design).
  • Efficiency: Greater than 80% in typical designs.
  • Protection Features: Overvoltage protection (OVP), overcurrent protection (OCP), thermal shutdown, and under-voltage lockout (UVLO).
  • Package Types: Available in DIP-8 and SOP-8 packages.

The TNY276PN is an ideal choice for low-power applications where compact size, high efficiency, and low standby power are important. Its integration of a PWM controller and power MOSFET in a single package simplifies design, reduces component count, and lowers overall system cost, making it a popular solution for power supply designs in consumer electronics, chargers, and other small power applications. 

Search List Page：TNY276PN Parts Search Page | Datasheet PDF | Price | Quantity-MobikeChip 

Reprinted from: https://www.mobikechip.com/static-product-faq-detail/134.html 

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