The LNK419LG is part of the LinkSwitch-PH LED driver IC family from Lingto Electronic Limited, designed for off-line LED driver applications. It features a single-stage power factor correction (PFC) and constant current control, which simplifies the design by eliminating the need for electrolytic capacitors and optocouplers. The device supports TRIAC dimming and is optimized for high efficiency, achieving over 90% efficiency while maintaining a power factor greater than 0.9. This IC integrates a 725 V power FET and includes advanced protection features such as auto-restart for short-circuit protection, open circuit fault detection, and thermal shutdown with hysteresis. The device operates with a switching frequency of 66 kHz, which is jittered to reduce electromagnetic interference (EMI). The LNK419LG is available in eSIP-7C and eSIP-7F packages and is compliant with RoHS standards, making it suitable for environmentally conscious designs. Engineers considering the LNK419LG for their projects will benefit from its simplified design, high efficiency, and robust protection features, making it a reliable choice for LED driver applications.
LED Driver, Product overview: LNK419LG from Power Integrations is a LED Driver IC for LED lighting, display backlights, indicator control, automotive lighting, signage, and regulated current drive circuits. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include key electrical ratings, package details, and application requirements. Search-friendly keywords include LED driver IC, constant current, lighting control, display backlight, External/Internal LED Drivers. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 137-LNK419LG can be used for catalog matching and distributor lookup.
Manufacturer: Power Integrations
Win Source Part Number: 1316484-LNK419LG
Category: Integrated Circuits (ICs)>Power Management (PMIC)>LED Drivers
Packaging: Tube
Type: AC DC Offline Switcher
Applications: Lighting
Standard Package: 48
Mounting: Through Hole
Frequency: 66kHz
Current - Output / Channel: 3.26A
Internal Switch(s): Yes
Topology: Flyback
Number of Outputs: 1
Dimming: PWM
Voltage - Supply (Min): 36V
Voltage - Supply (Max): 725V
Supplier Device Package: eSIP-7F
Temperature Range - Operating: -40°C ~ 150°C (TJ)
Case / Package: 7-SSIP, 6 Leads, Exposed Pad, Formed Leads
ECCN: EAR99
Fake Threat In the Open Market: 83
MSL Level: 1 (Unlimited)
REACH Status: REACH Unaffected
HTSUS: 8542.39.0001
Base Product Number: LNK419
RoHS Status: RoHS Compliant
IC LED DRIVER OFFL DIM ESIP-7F
IC LED DRV OFFL PWM ESIP-7F
| ERSAELECTRONICS PTE. LTD. | Win Source Electronics | Lingto Electronic Limited | Shenzhen Shengyu Electronics Technology Limited | |
|---|---|---|---|---|
| Product Category | LED Drivers | LED Drivers | LED Drivers | LED Drivers |
| Product Number | 137-LNK419LG | 1316484-LNK419LG | LNK419LG | LNK419LG |
| Product Name | LED Driver IC | Integrated Circuits (ICs) - Power Management (PMIC) - LED Drivers | PMIC - LED Drivers | Integrated Circuits (ICs) - Power Management (PMIC) - LED Drivers |
| Number of Channels | 1 # | |||
| Form Factor | Intgrated Circuit (IC) | |||
| Package Type | 7-SSIP, 6 Leads, Exposed Pad, Formed Leads |
