
Overview
The L4985B is an AC DC Controllers And Regulator made by STMicroelectronics in a SO-8 package with 8 pins. SO-8 AC-DC Controllers and Regulators ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:L4985ATR, from EasyEDA) and its footprint (Package_SO:SOIC-8_3.9x4.9mm_P1.27mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C5267793).
Symbol
Footprint
Order codes
1- L4985BLCSC C5267793
Pinout
8| Pin | Name | Type |
|---|---|---|
| 1 | VCC | Unspecified |
| 2 | GD | Unspecified |
| 3 | GND | Unspecified |
| 4 | CS | Unspecified |
| 5 | FB | Unspecified |
| 6 | COMP | Unspecified |
| 7 | NC | Unspecified |
| 8 | HV | Unspecified |
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<iframe src="https://pcbkit.io/embed/parts/st/L4985B" title="L4985B in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/st/L4985B.jpg" alt="L4985B" width="1200" height="900">[](https://pcbkit.io/parts/st/L4985B)Questions
Is there a KiCad symbol and footprint for the L4985B?
Yes. The symbol is EasyEDA_Cloud:L4985ATR and the footprint Package_SO:SOIC-8_3.9x4.9mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the L4985B?
SO-8, with 8 pins. Its footprint is drawn on this page.
Where is the L4985B datasheet?
STMicroelectronics publishes it: the Datasheet link on this page opens it.
Where can I order the L4985B?
JLCPCB lists it as part C5267793, with 0 in stock; the sellers' links on this page open their listings.
What can replace the L4985B?
Parts like it in the library: the TEA1995T/1J by NXP Semiconductors, the UC2843BD1013 by STMicroelectronics, the UC2844BD1013 by STMicroelectronics and the UC2845BD1013 by STMicroelectronics. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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