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LNK564DN

Name: LNK564DN
Rating: 4.7 (12 reviews)

IC OFFLINE SWITCH FLYBACK 8SO

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Mfr。パート #LNK564DN
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仕様

Series	LinkSwitch®-LP
Part Status	Discontinued at Digi-Key
Output Isolation	Isolated
Internal Switch(s)	Yes
Voltage - Breakdown	700V
Topology	Flyback
Duty Cycle	70%
Frequency - Switching	100kHz
Power (Watts)	3 W
Fault Protection	Current Limiting, Open Loop, Over Temperature, Short Circuit
Operating Temperature	-40°C ~ 150°C (TJ)
Package / Case	8-SOIC (0.154", 3.90mm Width), 7 Leads
Supplier Device Package	SO-8C
Mounting Type	Surface Mount
Base Product Number	LNK564

概要

Description

LNK564DN is a member of the LNK series of integrated circuits manufactured by Power Integrations, designed for use in switch-mode power supply (SMPS) applications. It combines a high-voltage power MOSFET with a control IC, facilitating efficient power conversion in compact designs. The LNK564DN is particularly suited for low to medium power applications, typically ranging from 5 to 30 watts.
Key features include a starter circuit, programmable switching frequency, and protection functions like overvoltage, overcurrent, and thermal shutdown, ensuring safe operation. It operates in both continuous and discontinuous conduction modes, providing flexibility in design. The device is often employed in adapters, chargers, and various consumer electronics, enhancing efficiency and reducing size compared to traditional designs.
Overall, the LNK564DN simplifies the design process by integrating multiple functions into a single package, enabling quicker time-to-market and improved performance for power supply applications.

Features

The LNK564DN is a highly integrated power IC designed for offline switch-mode power supplies (SMPS) and is part of the LinkSwitch series from Power Integrations. Key features include:
1. High Efficiency: Designed for efficient power conversion, minimizing energy losses.
2. Wide Input Voltage Range: Supports a broad input voltage range suitable for various applications.
3. Integrated Switching MOSFET: Reduces component count and PCB space while offering high reliability.
4. Frequency Hopping: Helps in reducing electromagnetic interference (EMI).
5. Built-in Protection Features: Includes over-voltage, over-current, and thermal protection to ensure safe operation.
6. Simple Design: Enables easy implementation with minimal external components, simplifying the design process.
7. Low Standby Power: Achieves compliance with energy efficiency standards by minimizing power consumption during standby mode.
These features make the LNK564DN ideal for powering consumer electronics, appliances, and industrial applications.

Package

The LNK564DN is typically packaged in a 6-pin Dual-In-Line Package (DIP), which allows for easy integration into circuit boards. It can also be found in surface mount configurations like the 6-lead TSOT-23 package, depending on the specific variant.

Pinout

The LNK564DN is a power integrated circuit (IC) from the LinkSwitch family, typically used for off-line power supplies. It features a total of 8 pins. The pin configuration and their functions are as follows:
1. DRAIN - Output for the internal MOSFET, connected to the transformer.
2. SOURCE - Source terminal for the internal MOSFET.
3. GND - Ground reference for the device.
4. VDD - Supply voltage pin for the IC.
5. CS - Current sense pin for controlling output power.
6. COMP - Compensation pin for external compensation network.
7. RAMP - Pin for ramp compensation to enhance stability.
8. FB - Feedback pin for regulating output voltage.
The LNK564DN is designed for applications requiring efficient power conversion, making it suitable for low-power adapters and similar devices.

Manufacturer

The LNK564DN is manufactured by Power Integrations, a company specializing in high-performance electronic components for power management. Founded in 1985 and based in San Jose, California, Power Integrations focuses on developing innovative technologies for power supplies, LED drivers, and other energy-efficient solutions. Their products are widely used in various applications, including consumer electronics, industrial equipment, and renewable energy systems. The LNK564DN is part of their LinkSwitch family, which integrates multiple functions to simplify power supply design while enhancing efficiency and reliability.

Application

The LNK564DN is a high-voltage switcher IC used in various applications, primarily for offline power supplies. Its application areas include LED drivers, AC-DC converters for appliances, battery chargers, and power adapters for consumer electronics. It is suitable for low to moderate power applications, offering features like high efficiency, compact design, and built-in protections, making it ideal for energy-efficient designs in residential and industrial products.

Equivalent

The LNK564DN chip is part of the LinkSwitch family of power conversion ICs by Power Integrations. Equivalent products include LNK563DN and LNK565DN, which offer similar features for offline switch-mode power supply applications. For alternatives, consider other manufacturers like the NCP series from ON Semiconductor or the TOPSwitch series from Power Integrations, ensuring they meet your specific voltage, current, and power requirements. Always verify datasheets for compatibility.