STR-A6051M

Product Overview

Category

STR-A6051M 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-A6051M offers excellent power conversion efficiency, minimizing energy loss during operation.
• Compact package: The IC is housed in a small form factor package, making it suitable for space-constrained applications.
• Wide input voltage range: It can accommodate a wide range of input voltages, enhancing its versatility.
• Overcurrent protection: The IC incorporates overcurrent protection mechanisms to safeguard against potential damage.

Package

STR-A6051M is available in a compact and robust package, ensuring durability and ease of integration into various electronic devices.

Essence

The essence of STR-A6051M lies in its ability to efficiently regulate power supply voltages, enabling stable and reliable operation of electronic systems.

Packaging/Quantity

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

Specifications

• Input Voltage Range: 85V - 265V AC
• Output Voltage: 12V DC
• Maximum Output Power: 30W
• Operating Temperature Range: -40°C to +105°C
• Switching Frequency: 65kHz

Detailed Pin Configuration

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

Functional Features

• Integrated power MOSFET: Simplifies circuit design and reduces external component count.
• Pulse frequency modulation (PFM): Enables high-efficiency operation under light load conditions.
• Overload protection: Automatically shuts down the IC in case of excessive load or short circuit, preventing damage to the system.
• Soft-start function: Gradually ramps up the output voltage during startup, minimizing stress on components.

Advantages and Disadvantages

Advantages

• High efficiency operation, reducing energy consumption.
• Compact package size, suitable for space-constrained applications.
• Wide input voltage range, enhancing versatility.
• Integrated protection mechanisms, ensuring system reliability.

Disadvantages

• Limited maximum output power compared to higher-rated models.
• Requires external components for complete power supply implementation.

Working Principles

STR-A6051M operates based on a flyback converter topology. It utilizes pulse frequency modulation (PFM) to regulate the output voltage. The integrated power MOSFET switches the input voltage across the primary winding of the transformer. This creates a magnetic field that stores energy. During the off-time of the MOSFET, the energy is transferred to the secondary winding, resulting in the desired output voltage.

Detailed Application Field Plans

STR-A6051M finds application in various fields, including: 1. Consumer electronics: Powering televisions, audio systems, and home appliances. 2. Industrial equipment: Providing stable power supply for machinery and control systems. 3. Lighting systems: Driving LED lighting fixtures efficiently and reliably. 4. Automotive electronics: Regulating voltage for automotive infotainment systems and lighting modules.

Detailed and Complete Alternative Models

1. STR-A6052M: Similar specifications with enhanced output power capability.
2. STR-A6053M: Higher switching frequency for improved efficiency.
3. STR-A6054M: Lower input voltage range for specific applications.

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

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