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Lii Semiconductor LN8K18 Buck Converter Integrated Circuit Datasheet
The LN8K18 is a high‑performance current‑mode switching regulator IC designed for non‑isolated buck converters in appliances and control boards. It integrates PWM/PFM hybrid control, a 650 V MOSFET, smartEnergy™ efficiency technology, and comprehensive protection features, operating from 85‑380 Vac and delivering up to 300 mA output.
The device is offered in DIP8 and SOP8 packages with a minimal external component count, standby power as low as 0.05 W, and a 12 V fixed output voltage. Ordering information and packaging details are provided for both DIP8 and SOP8 variants. This manual is written in Chinese.
Covers: Main Features · Applications · Overview · Package Dimensions · Ordering Information
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Lii Semiconductor LN8K18 Buck Converter Integrated Circuit Datasheet
Datasheet 4 pages · 440 KB · ZHThe LN8K18 is a high‑performance AC/DC buck‑converter IC with integrated 650 V MOSFET, smartEnergy™ control and up to 300 mA output.
Which document do I need?
Datasheet
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in Lii Semiconductor manuals
What is the rated output voltage of the LN8K18?
The LN8K18 provides a fixed 12 V output.
From: Lii Semiconductor LN8K18 Buck Converter Integrated Circuit Datasheet
What is the maximum output current the device can deliver?
It can deliver up to 300 mA of output current.
From: Lii Semiconductor LN8K18 Buck Converter Integrated Circuit Datasheet