The Silan SD670XD datasheet details specifications, features, pinout, and protection functions of this non‑isolated buck‑type LED driver chip.
The SD670XD 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 input voltage range.
The document provides electrical parameters, pin configuration, protection features, package dimensions, and application notes, helping designers implement the chip in various LED lighting products such as bulbs and T5/T8 fixtures. This manual is written in Chinese.
| Input voltage range | 85 VAC ~ 265 VAC |
|---|---|
| Operating current (typical) | 175 µA |
| Protection current (typical) | 1 200 µA |
| ROVP pin voltage (typical) | 2.4 V |
| Package type | DIP‑7‑300‑2.54 |
| Maximum junction temperature | -40 °C ~ 150 °C |
The chip operates from 85 VAC up to 265 VAC.
Yes, it has per‑cycle over‑current protection and CS short‑circuit protection.
It is supplied in a DIP‑7‑300‑2.54 package.