Power Integrations

LNK305DG-TL

The LNK305DG-TL is a high-efficiency synchronous buck-boost converter from Power Integrations. This device is designed to provide a highly efficient and compact power solution for a wide range of applications.

Description:

The LNK305DG-TL is a synchronous buck-boost converter with an integrated high-side and low-side MOSFETs. It features a wide input voltage range and is capable of delivering a continuous output current of up to 1A. The device is available in a compact 10-pin TSSOP package.

Features:

• High efficiency: The LNK305DG-TL achieves high efficiency levels of up to 93%, making it an ideal choice for power-sensitive applications.
• Wide input voltage range: The device can operate from input voltages as low as 2.5V and as high as 21V, making it suitable for a wide range of applications.
• Integrated MOSFETs: The high-side and low-side MOSFETs are integrated into the device, reducing the number of external components required and simplifying the design.
• Low quiescent current: The LNK305DG-TL has a low quiescent current of 35µA in burst mode, which helps to minimize power consumption in battery-powered applications.
• Programmable soft-start: The soft-start feature can be programmed to reduce inrush current and minimize output voltage overshoot during startup.
• Protection features: The device includes over-current protection, over-voltage protection, and thermal shutdown protection to ensure reliable operation.

Applications:

The LNK305DG-TL is suitable for a wide range of applications, including:

• Portable devices: The high efficiency and low quiescent current make it an ideal choice for battery-powered devices such as smartphones, tablets, and wearables.
• Industrial control systems: The wide input voltage range and integrated protection features make it suitable for use in industrial control systems and automation equipment.
• Medical devices: The compact size and high efficiency make it suitable for use in battery-powered medical devices such as hearing aids and portable medical instruments.
• IoT devices: The LNK305DG-TL can be used to power IoT devices such as sensors, gateways, and smart home devices.

In summary, the LNK305DG-TL is a high-efficiency synchronous buck-boost converter that offers a wide input voltage range, integrated MOSFETs, and multiple protection features. Its compact size and high efficiency make it an ideal choice for a wide range of applications, including portable devices, industrial control systems, medical devices, and IoT devices.