TOP264KG-TL
Product Overview
- Category: Power Management IC
- Use: Switching Power Supply Controller
- Characteristics: High Efficiency, Low Standby Power, Wide Input Voltage Range
- Package: TO-220-7L
- Essence: Integrated Switcher, Control and Protection Functions
- Packaging/Quantity: Tape & Reel, 1000 pieces per reel
Specifications
- Input Voltage Range: 85VAC to 265VAC
- Output Power: Up to 30W
- Switching Frequency: 132kHz to 150kHz
- Operating Temperature Range: -40°C to +125°C
- Protection Features: Overvoltage Protection, Overcurrent Protection, Overtemperature Protection
Pin Configuration
The TOP264KG-TL has a 7-pin configuration as follows:
- VCC: Power supply voltage for internal control circuitry
- GND: Ground reference
- FB: Feedback pin for output voltage regulation
- COMP: Compensation pin for loop stability
- DRAIN: Drain pin for power MOSFET
- SOURCE: Source pin for power MOSFET
- CS: Current sense pin for overcurrent protection
Functional Features
- Integrated high-voltage power MOSFET
- Built-in frequency jittering for reduced EMI
- Auto-restart protection for fault conditions
- Cycle-by-cycle current limit for overcurrent protection
- Soft-start for controlled startup operation
- Frequency foldback for improved efficiency at light loads
Advantages and Disadvantages
Advantages
- High efficiency resulting in reduced power consumption
- Wide input voltage range allows for global compatibility
- Compact package size for space-constrained applications
- Comprehensive protection features ensure system reliability
- Integrated functions simplify design and reduce external components
Disadvantages
- Relatively high cost compared to non-integrated solutions
- Limited output power capability compared to higher-end controllers
- Requires careful thermal management due to high operating temperature range
Working Principles
The TOP264KG-TL is a switching power supply controller that operates by regulating the duty cycle of the power MOSFET. It uses a feedback mechanism to maintain the desired output voltage by adjusting the duty cycle based on the difference between the actual and target voltages. The integrated control circuitry provides various protection features, such as overvoltage, overcurrent, and overtemperature protection, ensuring safe and reliable operation.
Detailed Application Field Plans
The TOP264KG-TL is suitable for a wide range of applications, including:
- AC/DC Power Supplies: It can be used in offline power supplies for consumer electronics, industrial equipment, and LED lighting.
- Battery Chargers: It can be employed in battery charging circuits for portable devices, electric vehicles, and renewable energy systems.
- Audio Amplifiers: It can be utilized in switch-mode audio amplifiers for improved efficiency and reduced heat dissipation.
- Industrial Control Systems: It can be integrated into control systems for motor drives, robotics, and factory automation.
Detailed and Complete Alternative Models
- TOP256EN-TL: Similar functionality with lower output power capability.
- TOP267EG-TL: Higher output power capability with additional features like adjustable frequency and synchronization.
- TOP250YN: Non-integrated version requiring external MOSFET and control circuitry.
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10 pirs û bersivên hevpar ên têkildarî sepana TOP264KG-TL di çareseriyên teknîkî de navnîş bikin
Sure! Here are 10 common questions and answers related to the application of TOP264KG-TL in technical solutions:
Q: What is TOP264KG-TL? A: TOP264KG-TL is a high-performance offline switcher IC (integrated circuit) designed for power supply applications.
Q: What are the typical applications of TOP264KG-TL? A: TOP264KG-TL is commonly used in various power supply solutions, including LED lighting, consumer electronics, industrial equipment, and telecommunication devices.
Q: What is the input voltage range supported by TOP264KG-TL? A: The input voltage range of TOP264KG-TL is typically between 85VAC and 265VAC, making it suitable for worldwide AC mains operation.
Q: What is the maximum output power that can be achieved with TOP264KG-TL? A: The maximum output power depends on the specific design and application, but TOP264KG-TL can handle power levels up to several hundred watts.
Q: Does TOP264KG-TL require an external MOSFET for operation? A: No, TOP264KG-TL integrates a high-voltage power MOSFET internally, eliminating the need for an external MOSFET.
Q: Can TOP264KG-TL operate in a wide temperature range? A: Yes, TOP264KG-TL is designed to operate reliably in a wide temperature range, typically from -40°C to +150°C.
Q: Is TOP264KG-TL capable of providing multiple output voltages? A: Yes, TOP264KG-TL supports multiple outputs through the use of external components such as transformers and rectifiers.
Q: Does TOP264KG-TL have built-in protection features? A: Yes, TOP264KG-TL incorporates various protection features like overvoltage protection (OVP), overcurrent protection (OCP), and thermal shutdown.
Q: Can TOP264KG-TL be used in both isolated and non-isolated power supply designs? A: Yes, TOP264KG-TL is versatile and can be used in both isolated and non-isolated power supply configurations.
Q: Are there any reference designs or application notes available for TOP264KG-TL? A: Yes, the manufacturer of TOP264KG-TL provides reference designs and application notes that can help engineers in implementing the IC effectively in their designs.
Please note that the answers provided here are general and may vary depending on the specific requirements and design considerations of each application.