사양
| 속성 | 가치 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| Series | LinkSwitch®-TN |
| ProductStatus | Active |
| OutputIsolation | Non-Isolated |
| InternalSwitch(s) | Yes |
| Voltage-Breakdown | 700V |
| Topology | Buck, Buck-Boost, Flyback |
| DutyCycle | 69% |
| Frequency-Switching | 66kHz |
| FaultProtection | Current Limiting, Open Loop, Over Temperature, Short Circuit |
| OperatingTemperature | -40°C ~ 150°C (TJ) |
| Package/Case | 8-SOIC (0.154, 3.90mm Width), 7 Leads |
| SupplierDevicePackage | SO-8C |
개요
Description
The LNK304DG-TL is a part of the LinkSwitch-TN series by Power Integrations, designed for efficient and compact non-isolated switching power supplies. It integrates a power MOSFET, oscillator, high voltage switch, and controller into a single package, simplifying the design of power supply circuits. With a wide input voltage range (85-265 VAC), it is suitable for global applications. The device is particularly noted for its ability to maintain high efficiency (up to 75%) and low standby power consumption, typically less than 30 mW at 230 VAC, which is ideal for energy-efficient applications.
The LNK304DG-TL is equipped with features such as thermal shutdown, current limit, and auto-restart for short-circuit protection, enhancing reliability and safety. It also offers a frequency jittering feature to minimize EMI, making compliance with international standards easier. Typically available in a compact SO-8 surface mount package, the device is suitable for small form-factor applications like household appliances, industrial controls, and LED drivers. Overall, it provides a cost-effective and energy-efficient solution for low-power AC-DC conversion needs.
The LNK304DG-TL is equipped with features such as thermal shutdown, current limit, and auto-restart for short-circuit protection, enhancing reliability and safety. It also offers a frequency jittering feature to minimize EMI, making compliance with international standards easier. Typically available in a compact SO-8 surface mount package, the device is suitable for small form-factor applications like household appliances, industrial controls, and LED drivers. Overall, it provides a cost-effective and energy-efficient solution for low-power AC-DC conversion needs.
Equivalent
The LNK304DG-TL is a part of the LinkSwitch-TN series by Power Integrations, used for AC-DC power conversion. Equivalent products may include other members of the same series, such as LNK305 or LNK306, depending on specific electrical requirements. Comparable products from other manufacturers include ON Semiconductor's NCP1014 or NCP1015, and STMicroelectronics' VIPer12A or VIPer22A. Always check the specifications for compatibility in terms of power, voltage, and current ratings.
Features
The LNK304DG-TL is part of the LinkSwitch-TN series from Power Integrations, designed for cost-effective and energy-efficient power conversion. Key features include:
1. High Efficiency: Enables up to 66% energy efficiency, suitable for low-power applications.
2. Integrated Functions: Combines a 700V power MOSFET with control circuitry, simplifying design and reducing component count.
3. Low Standby Power: Consumes minimal power in standby, contributing to overall energy savings.
4. Accurate Current Limit: Provides consistent output performance, crucial for stable operation in varying conditions.
5. Over-temperature Protection: Includes a thermal shutdown feature to prevent damage from overheating.
6. Auto-restart: Automatically attempts to restart after fault conditions, enhancing reliability.
7. Flexible Design: Supports buck, boost, and flyback topologies, offering versatility for different applications.
8. Compact Package: Available in an SO-8 package, making it suitable for space-constrained designs.
These features make the LNK304DG-TL well-suited for use in adapters, chargers, and other small power supplies requiring high efficiency and reliability.
1. High Efficiency: Enables up to 66% energy efficiency, suitable for low-power applications.
2. Integrated Functions: Combines a 700V power MOSFET with control circuitry, simplifying design and reducing component count.
3. Low Standby Power: Consumes minimal power in standby, contributing to overall energy savings.
4. Accurate Current Limit: Provides consistent output performance, crucial for stable operation in varying conditions.
5. Over-temperature Protection: Includes a thermal shutdown feature to prevent damage from overheating.
6. Auto-restart: Automatically attempts to restart after fault conditions, enhancing reliability.
7. Flexible Design: Supports buck, boost, and flyback topologies, offering versatility for different applications.
8. Compact Package: Available in an SO-8 package, making it suitable for space-constrained designs.
These features make the LNK304DG-TL well-suited for use in adapters, chargers, and other small power supplies requiring high efficiency and reliability.
Pinout
The LNK304DG-TL is a component from the LinkSwitch-TN family, typically used for low-power, non-isolated power supply applications. This device is packaged in an SO-8 (Small Outline 8-pin) form factor.
Pin Count:
The LNK304DG-TL has 8 pins.
Functions of Key Pins:
1. BP (Bypass): Connects to an external bypass capacitor for internal biasing.
2. D (Drain): Connects to the input of the power switch.
3. S (Source): Source pin is the return path for the switching current.
4. FB (Feedback): Used for voltage regulation; it can be connected to a voltage divider network for output voltage feedback.
These pins enable the LNK304DG-TL to function efficiently in power conversion, minimizing the number of external components required and providing a simple solution for power supply designs.
Pin Count:
The LNK304DG-TL has 8 pins.
Functions of Key Pins:
1. BP (Bypass): Connects to an external bypass capacitor for internal biasing.
2. D (Drain): Connects to the input of the power switch.
3. S (Source): Source pin is the return path for the switching current.
4. FB (Feedback): Used for voltage regulation; it can be connected to a voltage divider network for output voltage feedback.
These pins enable the LNK304DG-TL to function efficiently in power conversion, minimizing the number of external components required and providing a simple solution for power supply designs.
Manufacturer
The LNK304DG-TL is manufactured by Power Integrations, Inc. Power Integrations is a semiconductor company that specializes in developing and supplying high-performance electronic components used in high-voltage power conversion. Their products are typically used in power supplies for various applications, including consumer electronics, computers, communications, and industrial products. The company is known for its focus on energy efficiency, providing solutions that help reduce energy consumption in electronic devices.
Application
The LNK304DG-TL is a component in Power Integrations' LinkSwitch-TN family and is used primarily in low-power offline switcher applications. Its application areas include battery chargers for mobile devices, standby and auxiliary power supplies, small appliances, and LED drivers. It is also suitable for consumer electronics, industrial controls, and smart home devices due to its high efficiency and compact design, which allows for reduced heat production and smaller form factors. Additionally, its simplicity and cost-effectiveness make it ideal for applications requiring less than 360mA of output current.
Package
The LNK304DG-TL is a surface-mount package known as SOT-223. This package type is designed for use in power supply applications, offering efficient thermal performance and compact size suitable for PCB mounting.
