Specifications
| Attribute | Value |
| Package | Tube |
| 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-DIP (0.300, 7.62mm), 7 Leads |
| SupplierDevicePackage | 8-PDIP-B |
Overview
Description
The LNK304PN is a monolithic switching power supply IC developed by Power Integrations, designed for low-power applications. It is part of the LinkSwitch-TN series, which integrates a high-voltage power MOSFET, oscillator, on/off control, and other key components into a single package, reducing the need for external components and simplifying the design process.
The LNK304PN operates efficiently across a wide input voltage range, typically from 85 to 265 VAC, making it suitable for global applications. It is capable of delivering up to 360 mA of output current, depending on the design and input conditions. This IC is well-suited for non-isolated buck, boost, or flyback configurations in applications such as LED drivers, chargers, and small appliances.
Key features include auto-restart for short-circuit and open-loop protection, over-temperature protection, and a low standby power consumption, which helps in meeting energy efficiency standards. The device is available in a DIP-8 package, facilitating easy integration into various electronic designs.
The LNK304PN operates efficiently across a wide input voltage range, typically from 85 to 265 VAC, making it suitable for global applications. It is capable of delivering up to 360 mA of output current, depending on the design and input conditions. This IC is well-suited for non-isolated buck, boost, or flyback configurations in applications such as LED drivers, chargers, and small appliances.
Key features include auto-restart for short-circuit and open-loop protection, over-temperature protection, and a low standby power consumption, which helps in meeting energy efficiency standards. The device is available in a DIP-8 package, facilitating easy integration into various electronic designs.
Equivalent
The LNK304PN is a part of the LinkSwitch-TN family by Power Integrations, used for low-power offline switcher applications. Equivalent or alternative products can include:
1. TNY264PN from Power Integrations, which is also part of the TinySwitch family.
2. VIPER06 from STMicroelectronics, designed for similar applications.
3. NCP1014 from ON Semiconductor, featuring integrated MOSFETs.
These alternatives can vary in specifications, so it's essential to verify compatibility with your specific application requirements.
1. TNY264PN from Power Integrations, which is also part of the TinySwitch family.
2. VIPER06 from STMicroelectronics, designed for similar applications.
3. NCP1014 from ON Semiconductor, featuring integrated MOSFETs.
These alternatives can vary in specifications, so it's essential to verify compatibility with your specific application requirements.
Features
The LNK304PN is a member of the LinkSwitch-TN family from Power Integrations, designed for low-power offline switcher applications. Key features include:
1. Integrated Controller and MOSFET: Combines both the controller and high-voltage power MOSFET, simplifying design and reducing component count.
2. Wide Input Voltage Range: Operates from 85V to 265V AC, making it suitable for global usage.
3. Low Standby Power Consumption: Offers efficient performance with low power consumption in standby mode.
4. Auto-Restart and Over-Temperature Protection: Provides robust protection features to enhance reliability.
5. On/Off Control: Simplifies operation using on/off control, eliminating the need for loop compensation.
6. Current Limit Operation: Limits the maximum current in the power switch to enhance safety.
7. EcoSmart Technology: Minimizes energy consumption in all modes of operation.
8. Small Footprint: Available in a PDIP-8 package, facilitating compact designs.
These features make the LNK304PN suitable for use in adapters, chargers, and other low-power applications where efficiency and reliability are critical.
1. Integrated Controller and MOSFET: Combines both the controller and high-voltage power MOSFET, simplifying design and reducing component count.
2. Wide Input Voltage Range: Operates from 85V to 265V AC, making it suitable for global usage.
3. Low Standby Power Consumption: Offers efficient performance with low power consumption in standby mode.
4. Auto-Restart and Over-Temperature Protection: Provides robust protection features to enhance reliability.
5. On/Off Control: Simplifies operation using on/off control, eliminating the need for loop compensation.
6. Current Limit Operation: Limits the maximum current in the power switch to enhance safety.
7. EcoSmart Technology: Minimizes energy consumption in all modes of operation.
8. Small Footprint: Available in a PDIP-8 package, facilitating compact designs.
These features make the LNK304PN suitable for use in adapters, chargers, and other low-power applications where efficiency and reliability are critical.
Pinout
The LNK304PN is a low-power offline switcher IC used in AC-DC conversion applications. It comes in an 8-pin DIP (Dual In-line Package) configuration. Here is a brief description of the pin functions:
1. BP/M (Bypass/Multi-Function Pin): Connects to an external capacitor for internal bias and can be used for line under-voltage and over-voltage detection.
2. D (Drain): Connected internally to the power MOSFET drain and used for high-voltage switching.
3. S (Source): Source pin of the power MOSFET, which is usually connected to the primary side ground.
4. FB (Feedback): Used for feedback and control of the output voltage.
5. NC (No Connection): Not internally connected; typically not used.
6. NC (No Connection): Not internally connected; typically not used.
7. NC (No Connection): Not internally connected; typically not used.
8. NC (No Connection): Not internally connected; typically not used.
The LNK304PN is designed for low-power applications such as small appliances and standby power supplies, offering high efficiency and minimal external components.
1. BP/M (Bypass/Multi-Function Pin): Connects to an external capacitor for internal bias and can be used for line under-voltage and over-voltage detection.
2. D (Drain): Connected internally to the power MOSFET drain and used for high-voltage switching.
3. S (Source): Source pin of the power MOSFET, which is usually connected to the primary side ground.
4. FB (Feedback): Used for feedback and control of the output voltage.
5. NC (No Connection): Not internally connected; typically not used.
6. NC (No Connection): Not internally connected; typically not used.
7. NC (No Connection): Not internally connected; typically not used.
8. NC (No Connection): Not internally connected; typically not used.
The LNK304PN is designed for low-power applications such as small appliances and standby power supplies, offering high efficiency and minimal external components.
Manufacturer
The LNK304PN is manufactured by Power Integrations, Inc. Power Integrations is a semiconductor company that specializes in designing and producing high-performance electronic components used in high-voltage power conversion. Their products are widely used in power supply systems across various applications, including consumer electronics, industrial products, and LED lighting. The company is known for its innovative technology that enables energy-efficient power conversion solutions.
Application
The LNK304PN is a low-power PWM switcher IC from Power Integrations, primarily used in non-isolated and isolated off-line switcher applications. Its key application areas include:
1. Low-Power AC-DC Converters: Ideal for power supplies in consumer electronics like set-top boxes and smart meters.
2. LED Drivers: Used in low-wattage LED lighting applications.
3. Chargers: Suitable for small battery chargers for mobile devices.
4. Household Appliances: Powering auxiliary power supplies within appliances, such as microwaves or washing machines.
5. Industrial Controls: Employed in various small industrial control systems requiring efficient power conversion.
The LNK304PN is valued for its high efficiency, low component count, and cost-effectiveness in these applications.
1. Low-Power AC-DC Converters: Ideal for power supplies in consumer electronics like set-top boxes and smart meters.
2. LED Drivers: Used in low-wattage LED lighting applications.
3. Chargers: Suitable for small battery chargers for mobile devices.
4. Household Appliances: Powering auxiliary power supplies within appliances, such as microwaves or washing machines.
5. Industrial Controls: Employed in various small industrial control systems requiring efficient power conversion.
The LNK304PN is valued for its high efficiency, low component count, and cost-effectiveness in these applications.
Package
The LNK304PN is a power integration IC available in a PDIP-8 (Plastic Dual In-line Package) configuration with 8 pins. This package type is commonly used for through-hole mounting on printed circuit boards.
