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TOP258GN-TL
Product Overview
Category: Integrated Circuit
Use: Power Management
Characteristics: High efficiency, compact design
Package: 7-pin SMD
Essence: Energy-efficient power supply solution
Packaging/Quantity: Tape and reel, 2500 units per reel
Specifications
- Input Voltage Range: 85 VAC to 265 VAC
- Output Power: Up to 25 W
- Efficiency: Up to 88%
- Operating Temperature Range: -40°C to 125°C
- Frequency: 132 kHz
Detailed Pin Configuration
- VDD: Power supply input
- GND: Ground
- FB: Feedback pin
- D: Drain connection for external MOSFET
- S: Source connection for external MOSFET
- RT: Oscillator timing resistor
- CT: Oscillator timing capacitor
Functional Features
- Integrated 725 V MOSFET
- Advanced EcoSmart technology for low standby power
- Auto-restart protection
- Accurate hysteretic thermal shutdown
Advantages
- High efficiency over a wide load range
- Compact design with minimal external components
- Enhanced safety features for reliable operation
- Low standby power consumption
Disadvantages
- Limited output power compared to some competing models
- Requires careful consideration of external component selection for optimal performance
Working Principles
The TOP258GN-TL is a highly integrated switcher IC designed for energy-efficient power supplies. It utilizes primary-side regulation to achieve accurate output voltage control without the need for an optocoupler or secondary feedback circuitry. The device operates in a flyback topology, providing high efficiency and excellent line and load regulation.
Detailed Application Field Plans
The TOP258GN-TL is well-suited for a wide range of applications including: - AC/DC power supplies for consumer electronics - LED lighting drivers - Industrial power supplies - Auxiliary power supplies in appliances
Detailed and Complete Alternative Models
- TOP256EN: Lower power version suitable for lower wattage applications
- TOP259PN: Higher power version with extended feature set for more demanding applications
- TOP250YN: Cost-effective alternative with slightly lower efficiency for price-sensitive designs
In conclusion, the TOP258GN-TL offers a compelling combination of high efficiency, compact design, and advanced safety features, making it an ideal choice for a variety of power management applications.
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Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng TOP258GN-TL trong giải pháp kỹ thuật
What is TOP258GN-TL?
- TOP258GN-TL is a high-performance, energy-efficient integrated off-line switcher IC designed for use in power supply applications.
What are the typical applications of TOP258GN-TL?
- TOP258GN-TL is commonly used in AC/DC power supplies for appliances, LED lighting, industrial controls, and other electronic devices.
What is the input voltage range for TOP258GN-TL?
- The input voltage range for TOP258GN-TL is typically from 85VAC to 265VAC.
What is the output power capability of TOP258GN-TL?
- TOP258GN-TL can deliver output power up to 25W with excellent efficiency.
Does TOP258GN-TL have built-in protection features?
- Yes, TOP258GN-TL includes comprehensive protection features such as overvoltage protection, overcurrent protection, and thermal shutdown.
What are the key advantages of using TOP258GN-TL?
- Some key advantages of TOP258GN-TL include its high efficiency, compact size, and integration of multiple functions into a single IC.
Can TOP258GN-TL be used in dimmable LED lighting applications?
- Yes, TOP258GN-TL can be used in dimmable LED lighting applications with appropriate circuit design.
What are the typical external components required for a power supply using TOP258GN-TL?
- Typical external components include a transformer, input and output capacitors, a diode, and an optocoupler for feedback.
Is TOP258GN-TL suitable for universal input voltage power supplies?
- Yes, TOP258GN-TL is suitable for universal input voltage power supplies due to its wide input voltage range.
Where can I find detailed application notes and design resources for TOP258GN-TL?
- Detailed application notes and design resources for TOP258GN-TL can be found on the manufacturer's website or through authorized distributors.