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The LC5566LD is an AC-DC offline switcher IC designed for non-isolated LED driver applications. It integrates a power MOSFET and on-time control circuitry, enabling input capacitor-less operation. The device features a single output channel and supports dimming functionality. Packaged in an 8-DIP format, it operates with a DC input voltage of 20V. This component serves as a single-stage power factor corrected switching regulator specifically engineered for LED lighting systems.
Verify the specific suffix 'LD' against the manufacturer's official datasheet to confirm pinout and electrical characteristics. Ensure the selected package matches the required DIP-8 footprint. Cross-reference the part number with Sanken Electric documentation to validate compatibility with input capacitor-less design requirements before procurement.
Select this component for applications requiring integrated power MOSFETs in non-isolated topologies. It is suitable for designs aiming to eliminate input capacitors while maintaining power factor correction. Verify that the 20V DC input specification aligns with the system's operating range and that the 8-DIP package fits the target PCB layout constraints.
This part belongs to the LC5560LD series from Sanken Electric, which focuses on single-stage power factor corrected off-line switching regulators. The series is tailored for LED applications, offering integration of power switches and control logic to simplify driver circuit design and reduce component count in non-isolated configurations.
Consult Sanken Electric's official substitution guide for verified alternatives. Do not assume functional equivalence with other LC55xx variants without confirming pinout and electrical parameter alignment in the manufacturer's documentation.