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TOP271KG-TL
Product Overview
Category: Power Management ICs
Use: Switching Regulators
Characteristics: High Efficiency, Low Standby Power, Wide Input Voltage Range
Package: TO-220-7C
Essence: Integrated Off-Line Switcher with EcoSmart Technology
Packaging/Quantity: Tube/50 pieces per tube
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
- Protection Features: Overload Protection, Overvoltage Protection, Thermal Shutdown
Detailed Pin Configuration
- Drain
- Source
- Feedback
- Ground
- Output
- Compensation
- Control
Functional Features
- Integrated 700 V MOSFET
- Frequency Jittering for EMI Reduction
- Auto-Restart Protection
- Cycle-by-Cycle Current Limiting
- Adjustable Output Voltage
- Soft Start
- Internal Leading Edge Blanking
- Built-in Line Under-Voltage Lockout (UVLO)
Advantages and Disadvantages
Advantages: - High efficiency - Low standby power consumption - Wide input voltage range - Compact TO-220-7C package - Comprehensive protection features
Disadvantages: - Relatively high cost compared to non-integrated solutions - Limited output power capability
Working Principles
The TOP271KG-TL is an integrated off-line switcher designed for high-efficiency power conversion applications. It utilizes EcoSmart technology to achieve low standby power consumption and high overall efficiency. The device operates by converting the input AC voltage into a high-frequency AC signal, which is then rectified and filtered to provide a regulated DC output voltage. The integrated MOSFET, control circuitry, and protection features ensure reliable and safe operation.
Detailed Application Field Plans
The TOP271KG-TL is suitable for various power management applications, including but not limited to:
- AC-DC Adapters
- LED Lighting
- Set-Top Boxes
- Audio/Video Equipment
- Industrial Power Supplies
- Home Appliances
Detailed and Complete Alternative Models
- TOP250YN - Similar specifications, different package (PDIP-8)
- TOP256EN - Higher output power capability, similar specifications
- TOP267EG - Lower input voltage range, similar specifications
- TOP270KG-TL - Lower output power capability, similar specifications
Note: This is not an exhaustive list of alternative models. Please refer to the manufacturer's documentation for a complete list.
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Enumerați 10 întrebări și răspunsuri comune legate de aplicarea lui TOP271KG-TL în soluțiile tehnice
Sure! Here are 10 common questions and answers related to the application of TOP271KG-TL in technical solutions:
Q: What is the TOP271KG-TL? A: The TOP271KG-TL is a high-performance integrated switcher IC designed for offline power supplies.
Q: What are the key features of the TOP271KG-TL? A: The key features include wide input voltage range, high efficiency, low standby power consumption, and built-in protection features.
Q: What is the typical application of the TOP271KG-TL? A: The TOP271KG-TL is commonly used in applications such as LED lighting, consumer electronics, industrial power supplies, and battery chargers.
Q: What is the maximum input voltage supported by the TOP271KG-TL? A: The TOP271KG-TL can handle input voltages up to 450V.
Q: How efficient is the TOP271KG-TL? A: The TOP271KG-TL offers high efficiency, typically above 90%, which helps reduce power losses and improve overall system performance.
Q: Does the TOP271KG-TL have any built-in protection features? A: Yes, the TOP271KG-TL includes features like overvoltage protection (OVP), overcurrent protection (OCP), and thermal shutdown to ensure safe operation.
Q: Can the TOP271KG-TL be used in dimmable LED lighting applications? A: Yes, the TOP271KG-TL supports dimming functionality and can be used in dimmable LED lighting systems.
Q: What is the operating frequency range of the TOP271KG-TL? A: The TOP271KG-TL operates at a fixed frequency of 132 kHz, which helps simplify the design and optimize efficiency.
Q: Is there any reference design available for the TOP271KG-TL? A: Yes, the manufacturer provides reference designs and application notes to assist in the implementation of the TOP271KG-TL in various applications.
Q: Where can I find more detailed information about the TOP271KG-TL? A: You can refer to the datasheet and technical documentation provided by the manufacturer or visit their official website for more detailed information on the TOP271KG-TL.