TNY255P - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - Low power consumption - High efficiency - Compact size - Wide input voltage range

Package: DIP-8 (Dual In-line Package)

Essence: TNY255P is a power management IC designed for low-power applications. It provides efficient power conversion and control in a compact package.

Packaging/Quantity: The TNY255P is typically sold in reels or tubes, with each reel/tube containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Input Voltage Range: 85V to 265V AC
• Output Voltage: Configurable (based on application)
• Maximum Output Current: 100mA
• Operating Temperature Range: -40°C to +125°C
• Package Type: DIP-8

Detailed Pin Configuration

The TNY255P has eight pins arranged as follows:

1. VCC - Power supply input
2. BP/MULT - Bypass/Multiplication pin
3. FB - Feedback pin
4. GND - Ground
5. DRAIN - Switching transistor drain
6. SOURCE - Switching transistor source
7. VDD - Internal bias supply
8. SYNC - Synchronization pin

Functional Features

• Integrated high-voltage power MOSFET
• Auto-restart protection for fault conditions
• Frequency jittering for reduced EMI emissions
• Built-in soft-start for controlled startup
• Over-temperature protection

Advantages and Disadvantages

Advantages: - High efficiency power conversion - Compact size for space-constrained applications - Wide input voltage range for versatility - Built-in protection features for enhanced reliability

Disadvantages: - Limited maximum output current (100mA) - Requires external components for complete power management solution

Working Principles

The TNY255P utilizes a flyback topology to convert the input voltage into a regulated output voltage. It incorporates a high-voltage power MOSFET, which enables efficient power conversion. The IC also includes various control and protection features to ensure safe and reliable operation.

Detailed Application Field Plans

The TNY255P is commonly used in low-power applications that require efficient power management. Some typical application fields include: 1. Consumer electronics 2. LED lighting 3. Home appliances 4. Industrial automation 5. IoT devices

Detailed and Complete Alternative Models

1. TNY254P - Similar functionality with lower maximum output current (50mA)
2. TNY256P - Similar functionality with higher maximum output current (150mA)
3. TNY257P - Similar functionality with additional features for advanced power management

These alternative models provide similar functionality to the TNY255P but may have different specifications or additional features to suit specific application requirements.

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