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 LNK302DN-TL is a member of the LinkSwitch-TN series of ICs from Power Integrations, designed for low power offline switcher applications. It integrates a high-voltage power MOSFET, oscillator, high-voltage switched current source, current limit, and thermal shutdown circuitry onto a single monolithic device. This allows for the design of cost-effective and energy-efficient power supplies.
Key features of the LNK302DN-TL include its ability to support non-isolated buck and buck-boost configurations, reducing component count and simplifying design for applications such as industrial controls, utility meters, and home appliances. It operates over a wide input voltage range, typically 85 to 265 VAC, and provides accurate output voltage regulation. The IC also incorporates a frequency jittering feature to minimize EMI, and its high efficiency design ensures minimal heat generation, reducing the need for heat sinks.
Overall, the LNK302DN-TL is ideal for compact, low-power power supply solutions where simplicity, reliability, and cost-effectiveness are key considerations.
Key features of the LNK302DN-TL include its ability to support non-isolated buck and buck-boost configurations, reducing component count and simplifying design for applications such as industrial controls, utility meters, and home appliances. It operates over a wide input voltage range, typically 85 to 265 VAC, and provides accurate output voltage regulation. The IC also incorporates a frequency jittering feature to minimize EMI, and its high efficiency design ensures minimal heat generation, reducing the need for heat sinks.
Overall, the LNK302DN-TL is ideal for compact, low-power power supply solutions where simplicity, reliability, and cost-effectiveness are key considerations.
Equivalent
The LNK302DN-TL is a part of the LinkSwitch-TN series by Power Integrations, used for low-power off-line switcher applications. Equivalent products might include other models from the same series like LNK304 or LNK305, depending on specific requirements. Alternative equivalents could be from other manufacturers like ON Semiconductor's NCP series or STMicroelectronics' VIPer series. Always compare electrical characteristics and package type to ensure compatibility with your design requirements.
Features
The LNK302DN-TL is a power conversion integrated circuit commonly used in energy-efficient power supplies. Key features include:
1. High Efficiency: It operates with high efficiency, reducing power loss and heat generation.
2. Low Standby Power: Excellent performance in low standby power applications, making it suitable for energy-saving designs.
3. Integrated Functions: Combines controller and power MOSFET, reducing external components and design complexity.
4. Wide Input Voltage Range: Can handle a broad range of input voltages, enhancing versatility in various applications.
5. Over-temperature Protection: Built-in thermal shutdown feature to protect against overheating.
6. Overload Protection: Automatically limits power output under overload conditions, ensuring safety and reliability.
7. Small Package Size: Available in a compact package, suitable for space-constrained designs.
8. Universal AC Input: Can be used with universal AC input voltages, supporting global applications.
These features make the LNK302DN-TL ideal for use in adapters, chargers, and other power supply applications where efficiency and compactness are critical.
1. High Efficiency: It operates with high efficiency, reducing power loss and heat generation.
2. Low Standby Power: Excellent performance in low standby power applications, making it suitable for energy-saving designs.
3. Integrated Functions: Combines controller and power MOSFET, reducing external components and design complexity.
4. Wide Input Voltage Range: Can handle a broad range of input voltages, enhancing versatility in various applications.
5. Over-temperature Protection: Built-in thermal shutdown feature to protect against overheating.
6. Overload Protection: Automatically limits power output under overload conditions, ensuring safety and reliability.
7. Small Package Size: Available in a compact package, suitable for space-constrained designs.
8. Universal AC Input: Can be used with universal AC input voltages, supporting global applications.
These features make the LNK302DN-TL ideal for use in adapters, chargers, and other power supply applications where efficiency and compactness are critical.
Pinout
The LNK302DN-TL is a member of the LinkSwitch-TN series by Power Integrations, designed for energy-efficient, off-line switcher applications. It typically comes in an 8-pin DIP (Dual In-line Package) or SMD (Surface Mount Device) package. The key functions of the pins in the LNK302DN-TL are as follows:
1. BP (Bypass): Connects to an external bypass capacitor for internal supply voltage.
2. D (Drain): This pin connects to the switching MOSFET drain.
3. S (Source): Connected to the source of the internal MOSFET; also the ground reference.
4. EN (Enable): Used for on/off control; a high signal enables the device.
The LNK302DN-TL integrates a high-voltage power MOSFET, oscillator, high-voltage switched current source, current limit, and thermal shutdown circuitry onto a monolithic IC, simplifying the design of low-power switch-mode power supplies.
1. BP (Bypass): Connects to an external bypass capacitor for internal supply voltage.
2. D (Drain): This pin connects to the switching MOSFET drain.
3. S (Source): Connected to the source of the internal MOSFET; also the ground reference.
4. EN (Enable): Used for on/off control; a high signal enables the device.
The LNK302DN-TL integrates a high-voltage power MOSFET, oscillator, high-voltage switched current source, current limit, and thermal shutdown circuitry onto a monolithic IC, simplifying the design of low-power switch-mode power supplies.
Manufacturer
The LNK302DN-TL is manufactured by Power Integrations, Inc. Power Integrations is a semiconductor company that specializes in the development of high-performance components for power conversion. Their products are widely used in power supply systems, enabling efficient and reliable power management in electronic devices. The company focuses on providing innovative solutions that reduce energy consumption in applications such as consumer electronics, appliances, lighting, and industrial systems. Power Integrations is known for its expertise in designing integrated circuits that facilitate compact and energy-efficient power conversion.
Application
The LNK302DN-TL is a Power Integrations IC used primarily in low-power offline switch-mode power supplies. Key application areas include:
1. LED Drivers: Used in lighting applications for efficient power conversion.
2. Appliance Power Supplies: Powers small appliances and consumer electronics.
3. Standby Power: Provides efficient standby power for devices like chargers and adapters.
4. Industrial Controls: Supplies power for industrial control systems.
5. IoT Devices: Powers low-power Internet of Things (IoT) devices.
6. Auxiliary Power Supplies: Used in larger systems to provide auxiliary power.
Its design simplifies power conversion and enhances energy efficiency, particularly in applications demanding low power consumption.
1. LED Drivers: Used in lighting applications for efficient power conversion.
2. Appliance Power Supplies: Powers small appliances and consumer electronics.
3. Standby Power: Provides efficient standby power for devices like chargers and adapters.
4. Industrial Controls: Supplies power for industrial control systems.
5. IoT Devices: Powers low-power Internet of Things (IoT) devices.
6. Auxiliary Power Supplies: Used in larger systems to provide auxiliary power.
Its design simplifies power conversion and enhances energy efficiency, particularly in applications demanding low power consumption.
Package
The LNK302DN-TL is a Power Integrations AC-DC converter IC that generally comes in a DIP-7 (Dual In-line Package) package. This package type is commonly used for electronic components, allowing for through-hole mounting on printed circuit boards.
