The Silan SD670XDC datasheet details specifications, pinout, and application information for this non‑isolated buck LED driver chip.
The SD670XDC is a non‑isolated buck‑type LED lighting driver chip designed for high‑precision constant‑current operation and high linearity. It integrates a 500 V high‑voltage MOSFET, multiple protection functions, and operates over a wide AC input range.
The datasheet provides electrical parameters, pin configuration, internal block diagram, package dimensions, and safety handling guidelines. It also lists protection features such as output short‑circuit, over‑current, and over‑temperature protection, as well as recommended application circuits. This manual is written in Chinese.
| Input voltage range | 85 VAC ~ 265 VAC |
|---|---|
| VCC clamp voltage | 14 V ~ 17 V |
| Integrated MOSFET voltage rating | 500 V |
| Protection functions | Output short‑circuit, over‑current, over‑temperature |
The chip operates with an AC input voltage from 85 VAC to 265 VAC.
It includes output short‑circuit protection, per‑cycle over‑current protection, and over‑temperature protection.