LNK6774K
AC-DC Controllers and Regulators BESOP-11-EP-8.9mm ROHSLNK6774K
AC-DC Controllers and Regulators BESOP-11-EP-8.9mm ROHS
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製造商零件號 # : LNK6774K
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包裝/封裝: SOP-11
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製造商: Power Integrations
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產品分類 : AC DC Converters, Offline Switches
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LNK6774K 數據表
價格 (USD)
數量 | 單價 | 總價 |
---|---|---|
1 | $1.845 | $1.84 |
200 | $0.714 | $142.80 |
500 | $0.690 | $345.00 |
1000 | $0.677 | $677.00 |
這些價格會受到市場波動的影響,需要提交報價才能取得最新價格。
詳細說明
LNK6774K is a high-performance, energy-efficient, offline switcher IC designed for use in buck converter applications. It is manufactured by Power Integrations and is widely used in a variety of power supply designs.The LNK6774K integrates a 700 V power MOSFET, a pulse width modulation controller, frequency jittering, and a comprehensive set of protection and monitoring features into a single chip. This integration reduces component count, board space, and overall cost, making it ideal for cost-effective power supply designs.The device operates in a boundary mode with variable frequency jittering, providing excellent efficiency across the entire load range. It also features a soft-start function to prevent excessive inrush currents during startup, as well as over-temperature, over-voltage, and over-current protection mechanisms to ensure safe and reliable operation.With its compact and efficient design, the LNK6774K is well-suited for a wide range of applications, including LED drivers, appliance control boards, and industrial power supplies. Its high level of integration, robust protection features, and reliable performance make it a popular choice among design engineers looking to create energy-efficient and cost-effective power supplies
主要特徵
- The LNK6774K is a LinkSwitch-HP device that integrates a controller and high-voltage power MOSFET into one package
- It features a newly developed analog control scheme for continuous conduction mode (CCM) and primary side regulated (PSR) power supplies up to 90 W without efficiency limitations
- The primary current limit can be adjusted by selecting the value for R8
- with lower current limit settings typical for adapters where higher efficiency and lower thermal rise are desired
應用
- LED lighting applications
- AC/DC power supplies
- Home appliances
- Industrial control systems
- Chargers and adapters
- Smart meters
- Audio equipment
- Networking equipment
- Electric vehicle charging systems
規格
以下是所選零件的基本參數,涉及零件的特性及其所屬類別。
Rohs Code | Yes | Part Life Cycle Code | Obsolete |
Reach Compliance Code | compliant | HTS Code ! | 8542.39.00.01 |
Analog IC - Other Type | ANALOG CIRCUIT | JESD-30 Code | R-PDSO-G11 |
Length | 10.16 mm | Number of Functions | 1 |
Number of Terminals | 11 | Package Body Material | PLASTIC/EPOXY |
Package Code | HSOP | Package Shape | RECTANGULAR |
Package Style | SMALL OUTLINE, HEAT SINK/SLUG | Peak Reflow Temperature (Cel) | 260 |
Seated Height-Max | 2.49 mm | Surface Mount ! | YES |
Terminal Form ! | GULL WING | Terminal Pitch ! | 1.78 mm |
Terminal Position | DUAL | Time@Peak Reflow Temperature-Max (s) | 40 |
Width | 8.89 mm |
數據表 PDF
數據表記錄了器件的特性、絕對最大額定值、應用等,這對於作為器件特定應用的整體指南大有裨益。
常見問題解答
What is LNK6774K?
The LNK6774K is a member of the LinkSwitch-TN2 family of integrated circuits developed by Power Integrations. It is a highly efficient, low-component-count off-line switcher IC designed for applications requiring isolated and non-isolated power conversion, such as power supplies for appliances, chargers, and industrial electronics.
How Does LNK6774K Work?
The LNK6774K functions as a versatile off-line switcher IC, integrating a power MOSFET, a multi-mode controller, and various protection features on a single chip. It operates by converting an input voltage into a tightly regulated output voltage or current with high efficiency. The device offers a comprehensive set of safety features to ensure reliable and safe operation in various power supply designs.
How Many Pins does LNK6774K have and What are the Functions of the Pinout Configuration?
The LNK6774K is housed in an 8-pin SOP-8 package. The pinout configuration includes:
- BP/MODE: Brownout or frequency reduction pin.
- VDD: IC power supply pin.
- DC: Drain/Collector pin.
- RTN: Power return pin.
- FB: Feedback pin.
- SD: Shutdown pin.
- D: Auxiliary winding output pin.
- S: Source/Emitter pin.
What are the Pros and Cons of LNK6774K?
Pros:
- High Efficiency: Provides high efficiency in power conversion, leading to energy savings.
- Integrated Design: Integrates multiple functions into a single chip, reducing component count and board space.
- Comprehensive Protection: Includes a range of protection features for reliable operation and safety.
- Wide Application Range: Suitable for a variety of power supply designs across different industries.
Cons:
- Design Complexity: Requires proper understanding of the datasheet and application notes for optimal use.
- Thermal Considerations: Heat dissipation may need to be addressed in high-power applications.
Are There Any Equivalents/Alternatives to LNK6774K for Recommendation?
- Alternatives to the LNK6774K include the TOPSwitch-JX series from Power Integrations and the FSDM0265R from Fairchild Semiconductor.
- Comparable options are the TNY274-280 series from Power Integrations and the L6562A from STMicroelectronics.
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