TNY278PG

Product Overview

Category

TNY278PG belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in power management applications.

Characteristics

• TNY278PG is a highly efficient, low-power integrated circuit.
• It offers excellent performance and reliability.
• The IC is designed to provide precise control over power management functions.
• It operates at low voltage levels, making it suitable for various electronic devices.

Package

TNY278PG is available in a compact and durable package, ensuring easy handling and protection against external factors.

Essence

The essence of TNY278PG lies in its ability to efficiently manage power consumption in electronic devices, thereby enhancing their overall performance.

Packaging/Quantity

This product is typically packaged in reels or tubes, with each 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 Power: Up to 10W
• Operating Temperature Range: -40°C to +150°C
• Efficiency: Greater than 80%
• Frequency Range: 50kHz - 100kHz
• Output Voltage: 5V DC

Detailed Pin Configuration

1. VDD: Power supply input
2. GND: Ground reference
3. FB: Feedback pin for voltage regulation
4. DRAIN: High-voltage power switch output
5. SOURCE: Source connection for the internal MOSFET
6. BP/MULTI-FUNCTION: Burst mode operation and multi-function pin
7. EN/UVLO: Enable and undervoltage lockout control
8. SYNC: Synchronization input for multiple ICs

Functional Features

• Integrated high-voltage power switch
• Advanced line and load regulation
• Auto-restart protection for fault conditions
• Frequency jittering for reduced EMI emissions
• Built-in soft-start for controlled power-up
• Over-temperature protection

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption.
• Compact size allows for space-saving designs.
• Wide input voltage range enables compatibility with various power sources.
• Comprehensive protection features enhance device reliability.

Disadvantages

• Limited output power may not be suitable for high-power applications.
• Requires careful consideration of thermal management due to operating temperature limitations.

Working Principles

TNY278PG operates on the principle of pulse width modulation (PWM). It regulates the output voltage by controlling the duty cycle of the internal power switch. The feedback pin continuously monitors the output voltage, adjusting the duty cycle to maintain a stable voltage level. This control mechanism ensures efficient power transfer while minimizing energy losses.

Detailed Application Field Plans

TNY278PG finds extensive application in various fields, including but not limited to: 1. Consumer electronics: Power supplies for smartphones, tablets, and other portable devices. 2. Home appliances: Energy-efficient power management for refrigerators, air conditioners, and televisions. 3. Industrial equipment: Control systems, motor drives, and lighting solutions. 4. Automotive electronics: Power modules for electric vehicles, battery chargers, and LED lighting.

Detailed and Complete Alternative Models

1. TNY277PG: Similar to TNY278PG, but with a lower output power rating.
2. TNY279PG: Higher output power variant of TNY278PG, suitable for more demanding applications.
3. TNY280PG: Enhanced version with additional features such as adjustable frequency and voltage.

Please note that the above list is not exhaustive, and there may be other alternative models available in the market.

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