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Name: TOP271EG
Brand: Power Integrations
SKU: TOP271EG
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Power Integrations TOP271EG

Part No.:: TOP271EG

Manufacturer:: Power Integrations

Package:: 7-SSIP, 6 Leads, Exposed Pad, Formed Leads

Datasheet:: TOP271EG.pdf

Description:: IC OFFLINE SWITCH FLYBACK 7ESIP

In Stock:: 2361

Quantity:: Add To Cart

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TOP271EG this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including TOP271EG price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for TOP271EG to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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TOP271EG Typical application Circuitry

TOP271EG

Power Integrations created the TOP271EG, an integrated off-line switcher integrated circuit intended for high-efficiency power supply applications. It is part of the TOPSwitch-JX family, known for its extensive integration, reducing the need for external components. This IC is ideal for applications like LED lighting, LCD monitors, and televisions, power adapters, and smart chargers.

Key Features of TOP271EG:

1. EcoSmart Technology: Ensures energy-efficient operation, particularly under light-load conditions.

2. Integrated MOSFET: Includes a built-in high-voltage power MOSFET for efficient power conversion.

3. Multi-Mode Operation: Supports both ON/OFF and PWM control, offering design flexibility.

4. Extended Power Range: Suitable for applications requiring up to 45 W in open frame designs.

5. Wide Operating Frequency: Functions at variable frequencies up to 132 kHz, enabling smaller-sized components.

6. Line Under-Voltage Detection: Prevents operation under insufficient input voltage conditions.

7. Hysteretic Thermal Shutdown: Provides over-temperature protection for enhanced reliability.

8. Auto-Restart Feature: Addresses fault conditions such as open loop, short circuit, and overload.

Application Scenario: LED Lighting Power Supply

Designing a power supply for an LED lighting system using the TOP271EG:

Detailed Circuit Connection:

1. AC Input and Rectification:

- AC Mains Connection: Attach the AC mains to a bridge rectifier and connect the rectified output to the DRAIN pin of TOP271EG.

- Input Capacitor: Add a capacitor between the rectified output and ground for input voltage smoothing.

2. Transformer Design:

- Primary Winding Connection: Link the primary winding of a transformer to the DRAIN pin.

- Secondary Winding for LEDs: Connect the secondary winding to the LED load.

3. Feedback Mechanism:

- Optocoupler: Utilize an optocoupler between the secondary winding and the CONTROL pin for output voltage feedback.

- Voltage Reference: Implement a Zener diode for accurate feedback control in the optocoupler circuit.

4. LED Load Configuration:

- LED Array Connection: Attach the LED array to the secondary winding of the transformer.

- Current Regulation: Use current-sensing resistors for LED current regulation.

5. Protection Features:

- Overload Protection: Employ the auto-restart feature of the TOP271EG for overload management.

- Thermal Management: Utilize the hysteretic thermal shutdown for over-temperature safety.

Design Considerations:

1. Transformer Specification: Select a transformer compatible with the LED array's power requirements.

2. High-Quality Components: Choose reliable capacitors and diodes to ensure stability.

3. EMI Compliance: Implement necessary filters to meet electromagnetic interference standards.

4. Thermal Considerations: Plan for adequate heat dissipation of TOP271EG.

5. Safety Standards: Design according to the safety regulations for LED lighting systems.

6. Energy Efficiency: Optimize the circuit for low power consumption and high efficiency.

7. PCB Layout: Design the PCB layout for minimal noise and effective heat distribution.

8. Regulatory Compliance: Ensure the design meets industry standards for LED power supplies.

Incorporating the TOP271EG into an LED lighting power supply illustrates its efficiency and suitability for energy-sensitive applications. Key design aspects include proper transformer selection, use of quality components, EMI management, thermal handling, adherence to safety protocols, focus on energy efficiency, strategic PCB layout, and compliance with industry standards. This approach ensures the development of a robust, efficient, and reliable power supply for LED lighting applications.

TOP271EG information

TOP271EG Specifications

Packaging:
Tube
Series:
TOPSwitch®-JX
ProductStatus:
Active
OutputIsolation:
Isolated
InternalSwitch(s):
Yes
Voltage-Breakdown:
725V
Topology:
Flyback
Voltage-StartUp:
-
Voltage-Supply(Vcc/Vdd):
-
DutyCycle:
78%
Frequency-Switching:
66kHz, 132kHz
Power(Watts):
244 W
FaultProtection:
Current Limiting, Over Load, Over Temperature, Over Voltage, Short Circuit
ControlFeatures:
Frequency Control
OperatingTemperature:
-40°C ~ 150°C (TJ)

TOP271EG FAQ

1. How to order TOP271EG on icwhale.com?

Currently, icwhale.com only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.

2. How does icwhale.com guarantee that TOP271EG is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the TOP271EG. All suppliers must pass our qualification reviews before they can publish their products including TOP271EG on icwhale.com; we pay more attention to the channels and quality of TOP271EG products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.

3. Are the TOP271EG price and inventory displayed accurate?

The price and inventory of TOP271EG fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

4. What forms of payment are accepted?

Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.

Warm Tips: Some orders in certain payment forms may require handling fee.

5. How is the shipping arranged?

Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.

Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.

Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.

6. What is the process for return or replacement of TOP271EG?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the TOP271EG we delivered, we will accept the replacement or return of the TOP271EG only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of TOP271EG.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations