LED Lighting ICs

Non-Isolated Type

LC5200 Series

Buck converter for LED light bulbs and similar applications.
Downsizing power supplies, power factor correction, built-in analog dimming function.
OCP: Latch; TSD: Auto restart.

Part Number Isolation  Output Current (A) Input Voltage (V) RDS(ON) Max (Ω) Package
LC5202D Non-Isolated 0.5 250 2.2 DIP-8
LC5205D Non-Isolated 450 6.0
LC5202S Non-Isolated 250 2.2 SOP-8
LC5205S Non-Isolated 450 6.0
LC5203D Non-Isolated 1.0 250 1.3 DIP-8
LC5210D Non-Isolated 450 3.0


LC5220 Series

Buck and buck-boost converter for LED light bulbs and similar applications.
Downsizing power supplies, power factor correction, built-in analog dimming function, external latch function.
OCP/OPP: Latch; TSD: Auto restart.

Part Number Isolation  Output Current (A) Input Voltage (V) RDS(ON) Max (Ω) Package
LC5222D Non-Isolated 0.5 250 2.2 DIP-8
LC5225D Non-Isolated 450 6.0
LC5222S Non-Isolated 250 2.2 SOP-8
LC5225S Non-Isolated 450 6.0
LC5223D Non-Isolated 1.0 250 1.3 DIP-8
LC5226D Non-Isolated 450 3.0


LC5550 Series

Buck converter for LED light bulbs, LED downlights, LED fluorescent tubes, and similar applications.
Downsizing power supplies, power factor correction, universal input voltage.
OCP: Pulse-by-pulse; OVP/OLP/TSD: Latch.

Part Number Isolation Output Current (A) Input Voltage (V) RDS(ON) Max (Ω) Package
LC5555LD Non-Isolated 2.5 650 3.95 DIP-8
LC5556LD Non-Isolated 4 650 1.9


LC5500 Series - Non-Isolated Type

Flyback converter for LED downlights, LED fluorescent tubes, and similar applications.
Power factor correction, complying with the harmonics standard of IEC61000-3-2 class C, high efficiency, universal input voltage.
OCP: Pulse-by-pulse; OVP/OLP: Auto restart; TSD: Latch.

Part Number Isolation MOSFET VDSS (V) RDS(ON) Max (Ω) POUT (W) Package
230 V Wide
LC5511D Non-Isolated 650 3.95 13 10 DIP-8
LC5513D Non-Isolated 650 1.9 20 16


LC5560 Series

Flyback converter for LED light bulbs, LED downlights, LED fluorescent tubes, and similar applications.
Power factor correction, complying with the harmonics standard of IEC61000-3-2 class C even in light output condition, high efficiency, built-in analog dimming function, universal input voltage.
OCP: Pulse-by-pulse; OVP/OLP/TSD: Latch.

Part Number Isolation MOSFET VDSS (V) RDS(ON) Max (Ω) POUT (W) Package
230 V Wide
LC5565D Non-Isolated 650 3.95 13 10 DIP-8
LC5566D Non-Isolated 650 1.9 20 16


Isolated Type

LC5500 Series - Isolated Type

DIP-8: Flyback converter for LED downlights, LED fluorescent tubes, and similar applications.
TO-220F-7L: Flyback converter for LED ceiling lights, LED street lights, and similar applications.
Power factor correction, complying with the harmonics standard of IEC61000-3-2 class C, high efficiency, universal input voltage.
OCP: Pulse-by-pulse; OVP/OLP: Auto restart; TSD: Latch.

Part Number Isolation MOSFET VDSS (V) RDS(ON) Max (Ω) POUT (W) Package
230 V Wide
LC5521D Isolated 650 3.95 13 10 DIP-8
LC5523D Isolated 650 1.9 20 16
LC5523F Isolated 650 1.9 60 40 TO-220F-7L
LC5525F Isolated 650 1.1 80 55


LC5540 Series

DIP-8: Flyback converter for LED downlights, LED fluorescent tubes, and similar applications.
TO-220F-7L: Flyback converter for LED ceiling lights, LED street lights, and similar applications.
Power factor correction, complying with the harmonics standard of IEC61000-3-2 class C even in light output condition, high efficiency, universal input voltage.
OCP: Pulse-by-pulse; OVP/OLP/TSD: Latch.

Part Number Isolation MOSFET VDSS (V) RDS(ON) Max (Ω) POUT (W) Package
230 V Wide
LC5545LD Isolated 650 3.95 13 10 DIP-8
LC5546LD Isolated 650 1.9 20 16
LC5548LD Isolated 800 3.5 13 10
LC5546LF Isolated 650 1.9 60 40 TO-220F-7L
LC5547LF Isolated 650 1.1 80 55
LC5549LF Isolated 800 1.7 60 40
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