Power Integrations, Inc. LED Drivers LNK457DG-TL

The LNK457DG-TL is part of the LinkSwitch-PL family of LED driver ICs designed for non-isolated applications. It supports TRIAC dimming and features single-stage power factor correction with constant current output, making it suitable for solid-state lighting. The device can deliver an output power of up to 8 W and operates efficiently over a wide input voltage range of 85-265 VAC. This IC integrates a 725 V rated power MOSFET and incorporates advanced features such as cycle skipping regulation, short-circuit protection, and hysteretic thermal shutdown. The design minimizes component count, allowing for compact lamp designs, and eliminates the need for control loop compensation. The LNK457DG-TL is available in multiple package options, including SO-8C, eSOP-12, and eDIP-12, facilitating versatile application in various lighting solutions.