LNK613DG-TL

AC DC Converters, Offline Switchers Overview

The LNK613DG-TL is an AC/DC converter from the LinkSwitch-II family, designed for low-power offline applications. It integrates a 700 V power MOSFET with advanced control circuitry in an SO-8C package. The device supports input voltages of 85-265 VAC and delivers up to 2.5 W of output power. Key electrical parameters include a switching frequency of 85 kHz maximum, a maximum duty cycle of 55%, and a breakdown voltage of 700 V. It operates within a temperature range of -40°C to +150°C TJ.

AC DC Converters, Offline Switchers Feature Summary

• Eliminates the need for optocouplers and secondary side control circuits through primary-side regulation.
• Integrates a 700 V power MOSFET with high-voltage startup current source and frequency jittering.
• Provides comprehensive protection including cycle-by-cycle current limit, open-loop detection, and thermal shutdown.

AC DC Converters, Offline Switchers Applications

• Mobile phone and cordless phone chargers
• PDA and MP3 player adapters
• Portable audio equipment power supplies

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix 'TL' against official Power Integrations documentation to confirm tape-and-reel packaging status. Ensure the part number matches the exact datasheet revision for LNK603-606/613-616 series components. Cross-reference manufacturer codes with authorized distributors to avoid counterfeit inventory risks.

AC DC Converters, Offline Switchers Selection Notes

Select this component for designs requiring simplified topology without secondary feedback loops. It is suitable for cost-sensitive applications where EMI filtering costs must be minimized via frequency jittering. Consider the 85 kHz switching frequency for transformer size optimization compared to higher-frequency alternatives.

AC DC Converters, Offline Switchers Part Context

This part belongs to the LinkSwitch-II family, which uses proprietary regulation technology to compensate for transformer tolerances and line voltage variations. The family is known for meeting global energy efficiency standards like CEC and Energy Star 2.0 due to its EcoSmart technology and low no-load power consumption.

AC DC Converters, Offline Switchers Replacement Considerations

Publicly documented suggested alternatives include LinkSwitch-3. Verify pinout compatibility and thermal performance when substituting with newer generations from the same manufacturer.