TOP261EN
Product Overview
Belongs to: Power Management ICs
Category: Integrated Circuits
Use: Power supply management
Characteristics: High efficiency, low standby power, integrated protection features
Package: TO-220, TO-263, eSIP-7C
Essence: Efficient power management
Packaging/Quantity: Tube/50 units, Tape & Reel/800 units
Specifications
- Input Voltage Range: 85 VAC to 265 VAC
- Output Power: Up to 25 W
- Switching Frequency: 132 kHz to 150 kHz
- Operating Temperature Range: -40°C to 125°C
- Standby Power Consumption: <30 mW at 230 VAC input
Detailed Pin Configuration
- VDD: Power supply voltage
- GND: Ground
- FB: Feedback input
- D: Drain connection for external MOSFET
- S: Source connection for external MOSFET
- CS: Current sense input
- RT/CLK: Oscillator timing resistor or clock input
- BP/MODE: Bootstrap capacitor connection or mode selection
Functional Features
- Integrated 700 V MOSFET
- Auto-restart for short-circuit and open-loop protection
- Frequency jittering for reduced EMI
- Accurate over-temperature protection
- EcoSmart™ technology for low standby power consumption
Advantages and Disadvantages
Advantages: - High efficiency - Wide input voltage range - Integrated protection features - Low standby power consumption
Disadvantages: - External components required for operation - Limited output power compared to some alternatives
Working Principles
The TOP261EN is a primary-side regulated (PSR) flyback controller designed for isolated power supplies. It utilizes a proprietary EcoSmart™ technology to provide high efficiency across various load conditions while minimizing standby power consumption. The device integrates a 700 V MOSFET, reducing the need for external components and simplifying the design of compact and efficient power supplies.
Detailed Application Field Plans
The TOP261EN is well-suited for a wide range of applications, including: - AC/DC power supplies for home appliances - LED lighting drivers - Auxiliary power supplies in industrial equipment - USB and charger adapters - Standby and auxiliary power supplies in televisions and monitors
Detailed and Complete Alternative Models
Some alternative models to the TOP261EN include: - TOP258PN: Similar PSR flyback controller with lower power capability - TOP266EN: Higher power PSR flyback controller with similar features - L6562A: Boundary mode PFC controller with integrated MOSFET
In conclusion, the TOP261EN offers efficient power management with integrated protection features, making it suitable for a variety of applications in the power supply management domain.
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تکنیکی حل میں TOP261EN کے اطلاق سے متعلق 10 عام سوالات اور جوابات کی فہرست بنائیں
Sure, here are 10 common questions and answers related to the application of TOP261EN in technical solutions:
Q: What is TOP261EN? A: TOP261EN is a highly integrated energy-efficient off-line switcher IC designed for low-power applications.
Q: What are the typical applications of TOP261EN? A: TOP261EN is commonly used in power supplies for appliances, industrial systems, LED lighting, and other low-power electronic devices.
Q: What is the maximum output power that TOP261EN can handle? A: TOP261EN can handle output power up to 25 watts, making it suitable for a wide range of low-power applications.
Q: What are the key features of TOP261EN? A: The key features of TOP261EN include integrated 700V MOSFET, frequency jittering for low EMI, auto-restart for short-circuit protection, and more.
Q: How does TOP261EN help in achieving energy efficiency? A: TOP261EN incorporates advanced control and protection features to optimize energy efficiency and minimize standby power consumption.
Q: Can TOP261EN operate in a wide input voltage range? A: Yes, TOP261EN can operate in a wide input voltage range, typically from 85VAC to 265VAC.
Q: What are the thermal considerations when using TOP261EN? A: Proper PCB layout and thermal management are important to ensure optimal performance and reliability when using TOP261EN.
Q: Is TOP261EN suitable for flyback or buck-boost converter topologies? A: Yes, TOP261EN is suitable for both flyback and buck-boost converter topologies, offering flexibility in design.
Q: What are the recommended external components to use with TOP261EN? A: The datasheet provides a list of recommended external components, including capacitors, resistors, and inductors, to optimize the performance of TOP261EN.
Q: Are there any application notes or reference designs available for TOP261EN? A: Yes, the manufacturer provides application notes and reference designs to assist engineers in implementing TOP261EN in various technical solutions.
I hope these questions and answers provide a good overview of the application of TOP261EN in technical solutions. Let me know if you need further information on any specific aspect!