TOP222GN-TL
Product Overview
- Category: Integrated Circuit
- Use: Power Management
- Characteristics: High Efficiency, Low Standby Power, Wide Input Voltage Range
- Package: TO-220-7L
- Essence: Offline Switcher
- Packaging/Quantity: Tape and Reel / 2500 pieces per reel
Specifications
- Input Voltage Range: 85VAC to 265VAC
- Output Power: Up to 22W
- Switching Frequency: 132kHz
- Operating Temperature Range: -40°C to +125°C
- Standby Power: Less than 100mW at 230VAC input
Detailed Pin Configuration
- Drain
- Source
- Feedback
- Ground
- VCC
- Control
- Sense
Functional Features
- Primary-Side Regulation (PSR): Eliminates the need for an optocoupler and secondary-side feedback components.
- Frequency Jittering: Reduces EMI emissions and improves system reliability.
- Auto-Restart Protection: Ensures continuous operation by automatically restarting the device in case of a fault condition.
- Cycle-by-Cycle Current Limiting: Provides protection against overcurrent conditions.
Advantages
- High efficiency and low standby power consumption result in energy savings.
- Wide input voltage range allows for universal compatibility.
- Primary-side regulation simplifies circuit design and reduces component count.
- Auto-restart protection enhances system reliability.
- Cycle-by-cycle current limiting protects against overcurrent situations.
Disadvantages
- Requires careful consideration of thermal management due to high power dissipation.
- Limited output power compared to some other offline switchers.
- Not suitable for applications requiring extremely low standby power.
Working Principles
The TOP222GN-TL is an offline switcher that utilizes primary-side regulation to control the output voltage. It operates by modulating the duty cycle of the internal power MOSFET based on the feedback signal. The device incorporates various protection features such as auto-restart and cycle-by-cycle current limiting to ensure safe and reliable operation.
Detailed Application Field Plans
- LED Lighting: The TOP222GN-TL can be used in LED driver circuits for efficient and reliable illumination.
- Power Adapters: It is suitable for designing power adapters with wide input voltage range and low standby power consumption.
- Home Appliances: The device can be employed in various home appliances like refrigerators, air conditioners, and washing machines to enhance energy efficiency.
Detailed and Complete Alternative Models
- TOP221GN-TL
- TOP223GN-TL
- TOP224GN-TL
- TOP225GN-TL
- TOP226GN-TL
(Note: This list is not exhaustive and there may be other alternative models available.)
This entry provides an overview of the TOP222GN-TL integrated circuit, including its category, use, characteristics, package, specifications, pin configuration, functional features, advantages, disadvantages, working principles, application field plans, and alternative models. With its high efficiency, wide input voltage range, and primary-side regulation, the TOP222GN-TL is a versatile choice for power management applications.
Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af TOP222GN-TL i tekniske løsninger
Sure! Here are 10 common questions and answers related to the application of TOP222GN-TL in technical solutions:
Q: What is TOP222GN-TL? A: TOP222GN-TL is a highly integrated offline switcher IC designed for low power applications.
Q: What are the typical applications of TOP222GN-TL? A: TOP222GN-TL is commonly used in applications such as LED lighting, battery chargers, and auxiliary power supplies.
Q: What is the input voltage range supported by TOP222GN-TL? A: The input voltage range supported by TOP222GN-TL is typically between 85VAC and 265VAC.
Q: What is the maximum output power that can be achieved with TOP222GN-TL? A: The maximum output power depends on the specific application and design, but it is typically around 15W.
Q: Does TOP222GN-TL require an external MOSFET? A: No, TOP222GN-TL integrates a high-voltage power MOSFET internally, eliminating the need for an external MOSFET.
Q: Can TOP222GN-TL operate in a wide temperature range? A: Yes, TOP222GN-TL is designed to operate reliably in a wide temperature range, typically from -40°C to 125°C.
Q: Is TOP222GN-TL suitable for dimmable LED lighting applications? A: Yes, TOP222GN-TL supports both leading-edge and trailing-edge dimming techniques, making it suitable for dimmable LED lighting.
Q: Does TOP222GN-TL have built-in protection features? A: Yes, TOP222GN-TL includes various protection features such as over-temperature protection, over-voltage protection, and over-current protection.
Q: Can TOP222GN-TL be used in battery-powered applications? A: Yes, TOP222GN-TL can be used in battery-powered applications as it supports a wide input voltage range and low power consumption.
Q: Are there any evaluation boards or reference designs available for TOP222GN-TL? A: Yes, Power Integrations, the manufacturer of TOP222GN-TL, provides evaluation boards and reference designs to help with the implementation of this IC in various applications.