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LNK409LG is listed in the LED Driver IC range at ChipApex. The manufacturer field lists Power Integrations. Its product description is IC LED DRVR OFFL TRIAC ESIP-7F. Review the specifications below when checking this part for your BOM.
LED Driver IC specifications for LNK409LG
- Description：IC LED DRVR OFFL TRIAC ESIP-7F
- Series：LinkSwitch®-PH
- Mfr：Power Integrations
- Package：Tube
- Type：AC DC Offline Switcher
- Topology：Flyback
- Internal Switch(s)：Yes
- Number of Outputs：1
- Voltage - Supply (Min)：36V
- Voltage - Supply (Max)：725V
- Voltage - Output：-
- Current - Output / Channel：3.26A
- Frequency：66kHz
- Dimming：Triac
- Applications：Lighting
- Operating Temperature：-40°C ~ 150°C (TJ)
- Mounting Type：Through Hole
- Package / Case：7-SSIP, 6 Leads, Exposed Pad, Formed Leads
- Supplier Device Package：eSIP-7F
- Grade：-
- Qualification：-
LED Driver IC datasheet and documents for LNK409LG
LED Driver IC Overview
The LNK409LG is an offline AC/DC LED driver IC from the LinkSwitch-PH family, designed for high-performance lighting applications. It integrates power factor correction and constant-current output in a single stage. The device supports Triac dimming and offers high efficiency with PF greater than 0.9. It utilizes an eSIP-7F package to simplify implementation while ensuring long lifetime operation.
LED Driver IC Feature Summary
- Integrates power factor correction and accurate constant-current output in a single-stage design
- Supports Triac dimming capability for compatible lighting controls
- Delivers high efficiency and power factor exceeding 0.9
LED Driver IC Applications
- Offline AC/DC LED drivers
- High-efficiency lighting fixtures
- Triac-dimmable LED lamps
LED Driver IC Procurement Notes
Verify the specific suffix 'LG' against the manufacturer's official datasheet to confirm pinout and thermal characteristics. Ensure compatibility with required input voltage ranges and load conditions before procurement. Cross-reference the component marking with the original manufacturer's documentation to avoid counterfeit parts.
LED Driver IC Selection Notes
Select this component for applications requiring simplified single-stage topology with integrated PFC. It is suitable for designs needing high power factor and reliable Triac dimming performance. Consider the eSIP-7F package constraints for thermal management and PCB layout requirements in compact lighting solutions.
LED Driver IC Part Context
The LNK409LG belongs to the LinkSwitch-PH family of LED driver ICs by Power Integrations. This series focuses on simplifying offline LED driver implementations by combining multiple functions into a single chip. The family targets applications demanding high reliability, long lifetime, and compliance with strict power quality standards.
LED Driver IC Replacement Considerations
Consult official substitution lists for equivalent LinkSwitch-PH variants. Verify functional compatibility regarding dimming type and current regulation before replacing.
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