TNY274PG

Product Overview

Category

TNY274PG belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in power management applications.

Characteristics

• TNY274PG is a highly efficient and compact IC designed for low-power offline switch mode power supplies.
• It offers excellent performance in terms of energy efficiency and reliability.
• The IC incorporates various protection features to ensure safe operation.

Package

TNY274PG is available in a small outline package (SOP) with a specific pin configuration.

Essence

The essence of TNY274PG lies in its ability to efficiently regulate and control power in low-power offline applications.

Packaging/Quantity

TNY274PG is typically sold in reels or tubes, with each reel/tube containing a specific quantity of ICs.

Specifications

• Input Voltage Range: 85V AC to 265V AC
• Output Power: Up to 10W
• Operating Frequency: 132 kHz (typical)
• Maximum Duty Cycle: 75%
• Standby Power Consumption: Less than 30 mW
• Thermal Shutdown Protection: Yes
• Overload Protection: Yes
• Short-Circuit Protection: Yes

Detailed Pin Configuration

1. VDD - Power supply input
2. BP/M - Bypass/Multifunction pin
3. FB - Feedback pin
4. DRAIN - High-voltage power MOSFET drain connection
5. SOURCE - High-voltage power MOSFET source connection
6. GND - Ground reference

Functional Features

• Integrated high-voltage power MOSFET enables a compact design.
• Auto-restart feature ensures continuous operation in case of fault conditions.
• Frequency jittering reduces EMI emissions.
• Built-in line undervoltage lockout (UVLO) protects against low input voltage conditions.
• Advanced protection features safeguard against overloads, short circuits, and thermal issues.

Advantages

• High energy efficiency leads to reduced power consumption and lower operating costs.
• Compact size allows for space-saving designs in various applications.
• Robust protection features enhance system reliability and durability.
• Auto-restart feature ensures uninterrupted operation even in the presence of faults.

Disadvantages

• Limited output power capability restricts its use to low-power applications.
• May require additional external components for certain applications.
• Not suitable for high-voltage or high-power applications.

Working Principles

TNY274PG operates on the principle of pulse width modulation (PWM). It regulates the output voltage by adjusting the duty cycle of the switching waveform. The IC continuously monitors the feedback signal and adjusts the duty cycle accordingly to maintain a stable output voltage.

Detailed Application Field Plans

TNY274PG finds extensive application in various low-power offline switch mode power supplies. Some common application fields include:

1. Consumer electronics: Power adapters, chargers, and small appliances.
2. LED lighting: LED drivers for residential and commercial lighting solutions.
3. Industrial automation: Control systems, motor drives, and power supplies for industrial equipment.
4. Telecommunications: Power supplies for networking devices and communication equipment.
5. Automotive: Low-power automotive electronics and accessories.

Detailed and Complete Alternative Models

1. TNY275PG
2. TNY276PG
3. TNY277PG
4. TNY278PG

These alternative models offer similar functionality and characteristics, providing flexibility in design choices for different applications.

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