LNK302DN-TL Integrated Circuits (ICs)

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The LNK302DN-TL is a monolithic, wide range, low-cost, high-efficiency, AC/DC Reverse ON/OFF control switch mode power supply suit for 15W off-line SMPS. This device is particularly suited for low power AC/DC power supplies, like those employed in lower power home appliances, consumer electronics, and lighting, and any supply requiring minimal standby power. As a part of Pulstronics devices portfolio, this switch mode power supply has a broad range of web, green, and low load. This 2-Stage power supply incorporates all necessary active components, such as diode, Power MOSFET, current mode monolithic control, high voltage startup cell, and EMI filter into a single package. Due to its low cost and low external component count, this device is well suited for many applications in cost-sensitive markets, such as those in consumer, communication, and computer peripherals.

The LNK302DN-TL consists of two stages; the first stage is a high power switch and the second is a current mode controller, protected by a thermal and over-current limit. The switch is driven by a high voltage start-up circuit, providing an output voltage independent of the input voltage and current, eliminating the need for separate startup circuitry. The current mode control pins can be programmed via external resistors, and the current limit threshold is adjustable through an external resistor, enabling the device to operate in a wide range of conditions. This ensures that the power supply can efficiently operate at low or high load. The output of the second stage is a high frequency output current, which is compared to the internal reference and then amplified. The feedback voltage is used to control the second stage, which modulates the output voltage.

The functionality of the LNK302DN-TL is impressive. The device is only rated for 15W of power, but it is capable of providing 25W of continuous output power, and up to 30W of peak output power in certain conditions. The on/off control circuit allows for very low power operation and energy efficiency. The device has peak efficiency of up to 85%. In addition, the device includes a soft start feature, which prevents inrush current during turn on and turn off. This device is also protected from over-current and over-temperature occurrences. Outer core and inner winding temperature sensors are integrated into the device, providing protection against overheating conditions.

The LNK302DN-TL is the perfect device for low power AC/DC power supply applications. Its low cost, small form factor, wide range of input and output voltage, and high peak power makes it ideal for many applications. Its high power efficiency, wide input range, and adjustable current limit make it an excellent choice for many low power applications. Its thermal and over-current limit, and integrated temperature sensors provide added safety and protection. The device is suitable for use in many home appliances, consumer electronics, and lighting applications, and any other application that requires minimal standby power.

The specific data is subject to PDF, and the above content is for reference