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TOP221G
Universal Input AC-DC Converter with Wide RanTOP221G
Universal Input AC-DC Converter with Wide Ran
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Manufacturer Part # : TOP221G
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Package/Case: SMD-8
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Brand: Power Integrations
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Product Categories : AC DC Converters, Offline Switches
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Certification
We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.
Shipping & Payment
Shipping & Payment
About Shipping
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Service & Packaging
Service & Packaging
About After Sales Service
All Parts Extended Quality Guarantee
Initiate the application within 90 days from the shipment date.
Confirm the return or exchange with our staff.
Maintain the goods in their original condition as received.
Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]
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TOP221G DataSheet
Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
The TOP221G stands out as a top-of-the-line integrated off-line switcher, engineered specifically for high-efficiency, isolated power supplies. With its impressive 700 V power MOSFET, high voltage start-up capability, and current mode PWM control, all encapsulated within a compact 8-pin SO package, this device is a game-changer in the realm of power supply technology. Not only does it deliver robust performance, but it also incorporates innovative features such as frequency jittering to minimize electromagnetic interference, auto-restart functionality for fault protection, and over-temperature protection for added safety
Key Features
- Power factor correction with harmonic suppression
- Overcurrent and overvoltage protection with auto-restart
- Sensing and monitoring of input voltage
Application
- Modernize your appliances
- Upgrade your LEDs
- Connect with PoE
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Product Category ! | AC/DC Converters | RoHS | N |
| Mounting Style | SMD/SMT | Package / Case | SMD-8 |
| Output Voltage | 5.7 V | Input / Supply Voltage - Min | 85 VAC |
| Input / Supply Voltage - Max | 265 VAC | Switching Frequency ! | 100 kHz |
| Duty Cycle - Max | 70 % | Operating Supply Current | 1.2 mA |
| Minimum Operating Temperature | - 40 C | Maximum Operating Temperature ! | + 150 C |
| Series | TOP221 | Brand | Power Integrations |
| Product Type ! | AC/DC Converters | Subcategory | PMIC - Power Management ICs |
| Type | Off Line Converter |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is TOP221G?
The TOP221G is a family of integrated off-line switchers designed by Power Integrations. It is ideal for low power, isolated, non-isolated, and off-line flyback and forward converter applications, typically found in power supplies for appliances, chargers, adapters, and auxiliary power supplies.
How Does TOP221G Work?
The TOP221G operates as an integrated off-line switcher, providing high efficiency and power conversion capabilities. It features an integrated MOSFET and control circuitry, enabling it to deliver power to the load while maintaining high levels of performance and reliability. The switcher is designed to regulate output voltage, manage power delivery, and ensure safe operation within the system.
How Many Pins does TOP221G have and What are the Functions of the Pinout Configuration?
The TOP221G is available in various package options, such as the 7-pin eSIP-7C and the 7-pin PDIP-7C. The pinout configuration typically includes:
- Vin: Input voltage pin.
- Vout: Output voltage pin.
- GND: Ground pin.
- FB: Feedback pin for output voltage regulation.
- EN/UV: Enable/Undervoltage lockout pin for control and protection.
- Comp/Soft-Start: Compensation and soft-start pin for stability and start-up control.
- Drain: Drain pin for the internal MOSFET switch.
What are the Pros and Cons of TOP221G?
Pros:
- Integration: Combines the control circuitry and MOSFET into a single package, reducing external component count and simplifying design.
- Efficiency: Offers high efficiency power conversion, contributing to reduced energy consumption and heat generation.
- Protection Features: Includes protections such as over-temperature shutdown and overcurrent limit for enhanced reliability.
- Wide Application Range: Suitable for a variety of power supply applications, providing versatility in design.
- Compact Packages: Available in compact package options for space-constrained designs.
Cons:
- Complexity: May require careful consideration of design parameters and thermal management for optimal performance.
- External Components: Certain applications may need additional external components for filtering, protection, or specific functionality.
Are There Any Equivalents/Alternatives to TOP221G for Recommendation?
- The TOP222G and TOP223G are alternative switchers within the TOPSwitch family, providing similar functionality with different power ratings.
- Similar integrated switcher options include the LNK304 from Power Integrations and the FSCQ1565RT from Fairchild Semiconductor.
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