STR-A6259H

Product Overview

Category

STR-A6259H belongs to the category of integrated circuits (ICs) specifically designed for power supply applications.

Use

This product is primarily used in power supply systems, providing efficient and reliable voltage regulation.

Characteristics

• High efficiency: STR-A6259H offers excellent power conversion efficiency, minimizing energy loss.
• Compact package: The IC is housed in a small form factor package, enabling space-saving designs.
• Wide input voltage range: It can operate with a wide range of input voltages, making it suitable for various applications.
• Overcurrent protection: The IC incorporates overcurrent protection mechanisms, ensuring safe operation.

Package

The STR-A6259H is available in a compact and robust package, which provides mechanical protection and facilitates easy integration into circuit boards.

Essence

The essence of STR-A6259H lies in its ability to efficiently regulate power supply voltages, ensuring stable and reliable performance in various applications.

Packaging/Quantity

The IC is typically packaged in reels or tubes, with each reel or tube containing a specific quantity of units. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Input Voltage Range: 85V - 265V AC
• Output Voltage: Adjustable, typically 5V - 24V DC
• Maximum Output Current: 2.5A
• Operating Temperature Range: -40°C to 105°C
• Package Type: TO-220F-6L

Detailed Pin Configuration

1. VCC: Power supply input
2. GND: Ground reference
3. FB: Feedback pin for output voltage regulation
4. COMP: Compensation pin for stability control
5. DRAIN: Switching transistor drain connection
6. SOURCE: Switching transistor source connection

Functional Features

• Pulse Frequency Modulation (PFM): The IC utilizes PFM to achieve high efficiency and low standby power consumption.
• Overcurrent Protection: STR-A6259H incorporates overcurrent protection, safeguarding the circuit from excessive current flow.
• Soft Start: The soft start feature ensures a gradual increase in output voltage during startup, preventing voltage spikes.

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced energy consumption.
• Wide input voltage range allows for versatile applications.
• Compact package enables space-saving designs.
• Overcurrent protection enhances system safety.
• Soft start feature prevents voltage spikes during startup.

Disadvantages

• Limited maximum output current may restrict certain high-power applications.
• Operating temperature range may not be suitable for extreme environments.

Working Principles

STR-A6259H operates based on a flyback converter topology. It converts the input AC voltage into a regulated DC voltage using high-frequency switching techniques. The IC controls the switching transistor to regulate the output voltage by adjusting the duty cycle of the switching signal.

Detailed Application Field Plans

The STR-A6259H is commonly used in various power supply applications, including but not limited to: - Consumer electronics - LED lighting systems - Industrial equipment - Telecommunications devices - Automotive electronics

Detailed and Complete Alternative Models

• STR-A6251H
• STR-A6252H
• STR-A6253H
• STR-A6254H
• STR-A6255H

These alternative models offer similar functionality and can be considered as replacements for STR-A6259H depending on specific requirements.

In conclusion, STR-A6259H is an integrated circuit designed for power supply applications. With its high efficiency, compact package, and wide input voltage range, it offers reliable voltage regulation. Despite some limitations, its functional features, advantages, and detailed application field plans make it a suitable choice for various industries. Additionally, alternative models provide flexibility in selecting the most appropriate IC for specific needs.