LNK500GN-TL

AC DC Converters, Offline Switchers Overview

The LNK500GN-TL is an AC/DC converter from the LinkSwitch family, designed for offline applications. It operates with a minimum input voltage of 85 VAC and a maximum of 265 VAC. The device features a switching frequency of 132 kHz and a maximum duty cycle of 60%. Its quiescent supply current is 250 uA. The component supports a wide operating temperature range from -40 C to +150 C and is housed in an SMD-8 package.

AC DC Converters, Offline Switchers Feature Summary

• Provides a single-chip CV/CC solution that reduces secondary side components by 10 to 20 compared to linear designs.
• Optimized for systems with existing EMI filters where cost sensitivity is a primary design constraint.
• Delivers significant power consumption reduction, enabling smaller enclosure sizes and reduced system weight.

AC DC Converters, Offline Switchers Applications

• Chargers for mobile phones, cordless phones, PDAs, digital cameras, MP3 players, and portable audio equipment
• Replacement for linear transformers in AC-DC applications up to 4 W
• White goods and consumer electronics power supplies
• TV standby and auxiliary power supplies

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix 'TL' against the manufacturer's latest documentation to confirm tape and reel packaging specifications. Confirm RoHS compliance status through official datasheets or environmental files. Check for any recent Product Change Notices (PCN) regarding marking or packing logo updates before finalizing procurement orders.

AC DC Converters, Offline Switchers Selection Notes

Select this component for cost-sensitive designs requiring both constant voltage and constant current regulation. It is suitable for replacing linear solutions in chargers and adapters. Ensure the application includes an EMI filter, as the device is optimized for such configurations. Verify that the required output power does not exceed the capabilities defined in the official specifications.

AC DC Converters, Offline Switchers Part Context

This part belongs to the LinkSwitch family of integrated offline switchers. These devices combine high-voltage power MOSFETs with control circuitry on a single chip. The series is known for simplifying power supply design by integrating protection features and reducing external component counts.

AC DC Converters, Offline Switchers Replacement Considerations

Official substitutes include other LinkSwitch variants such as LNK501GN-TL for improved CV/CC tolerance or LNK520GN-TL for optimized bias winding feedback and lower EMI. Selection depends on specific performance requirements regarding efficiency and electromagnetic interference.