TNY268GN

Product Overview

Category

TNY268GN belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in power supply applications.

Characteristics

• TNY268GN is a highly efficient, low-power offline switcher.
• It integrates a 700V power MOSFET and control circuitry on a single chip.
• The device operates in a frequency jittering mode to reduce EMI emissions.
• It provides accurate output voltage regulation and protection features.

Package

TNY268GN is available in a compact and industry-standard SMD package.

Essence

The essence of TNY268GN lies in its ability to efficiently regulate and control power supply voltages.

Packaging/Quantity

This IC is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Input Voltage Range: 85VAC to 265VAC
• Output Power: Up to 15W
• Frequency Range: 132kHz to 150kHz
• Standby Power: <30mW at 230VAC input
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

TNY268GN has the following pin configuration:

1. VDD: Supply voltage for internal control circuitry.
2. BP/M: Brownout detection input or external bias supply input.
3. FB: Feedback input for output voltage regulation.
4. GND: Ground reference for the IC.
5. D: Drain pin for the internal power MOSFET.
6. S: Source pin for the internal power MOSFET.
7. FBP: Feed-forward input for improved line transient response.
8. EN/UV: Enable input or undervoltage lockout input.

Functional Features

• Accurate output voltage regulation.
• Built-in protection features like overvoltage and overcurrent protection.
• Frequency jittering mode for reduced electromagnetic interference (EMI).
• Auto-restart operation in the event of a fault condition.
• Low standby power consumption.

Advantages and Disadvantages

Advantages

• High efficiency and low power consumption.
• Compact size and integration of key components.
• Robust protection features ensure safe operation.
• Reduced EMI emissions due to frequency jittering mode.

Disadvantages

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

Working Principles

TNY268GN operates by converting the input AC voltage into a regulated DC output voltage. The internal control circuitry ensures accurate voltage regulation and protection against faults. The integrated power MOSFET efficiently switches the input voltage, minimizing power losses. The frequency jittering mode reduces EMI emissions, making it suitable for various applications.

Detailed Application Field Plans

TNY268GN finds applications in various fields, including but not limited to: 1. Consumer electronics: Power supplies for televisions, set-top boxes, and audio systems. 2. Home appliances: Power management for refrigerators, washing machines, and air conditioners. 3. Lighting: LED driver circuits for indoor and outdoor lighting solutions. 4. Industrial equipment: Power supplies for industrial automation systems and control panels. 5. Automotive: Auxiliary power supplies for automotive infotainment systems and lighting controls.

Detailed and Complete Alternative Models

1. TNY267GN: Similar to TNY268GN but with lower output power capability.
2. TNY269GN: Higher output power version of TNY268GN.
3. TNY277GN: Enhanced version with additional protection features.
4. TNY280GN: Higher voltage rating variant for specific applications.

These alternative models offer similar functionality and can be considered based on specific requirements.

In conclusion, TNY268GN is a highly efficient and compact integrated circuit used for power supply applications. Its accurate voltage regulation, protection features, and reduced EMI emissions make it suitable for various fields such as consumer electronics, home appliances, lighting, industrial equipment, and automotive applications. While it has limitations in terms of output power capability, there are alternative models available to cater to different requirements.