SCT2650STER

SCTExtended

-40℃~+150℃ 1 100kHz~1.2MHz 175uA 4.5V~60V 5A 800mV~57V Adjustable Buck Buck Built-in ESOP-8 DC-DC Converters ROHS

Part id: sct/SCT2650STER
Category: DC DC Converters
Package: ESOP-8
Pins: 9
In stock: 11,070 at JLCPCB (C2840771)
Used on: 4 open-source boards

Overview

The SCT2650STER is a DC DC Converter made by SCT in a ESOP-8 package with 9 pins. -40℃~+150℃ 1 100kHz~1.2MHz 175uA 4.5V~60V 5A 800mV~57V Adjustable Buck Buck Built-in ESOP-8 DC-DC Converters ROHS.

PCBKit's library has its KiCad symbol (Regulator_Switching:SCT2650STE, from KiCad's library) and its footprint (Package_SO:SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm, from KiCad's library), ready for a KiCad board. 11,070 are in stock at JLCPCB (part C2840771). 4 open-source boards in 3 repositories on GitHub use it.

Symbol

Regulator_Switching:SCT2650STEFrom KiCad's library

Footprint

Package_SO:SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mmFrom KiCad's library

From the datasheet

Supply, least: 4.5 V · VIN, recommended operating, min · p. 3
Supply, most: 60 V · VIN, recommended operating, max · p. 3
Supply, absolute maximum: 65 V · VIN, absolute maximum · p. 2
Junction, hottest: 150 °C · operating junction temperature, max · p. 3
Takes working: 175 µA · VIN quiescent, EN floating, no load, non-switching, BOOT-SW=5V, typical · p. 3
Takes asleep: 2 µA · VIN shutdown, EN=0, no load, typical · p. 3
Gives: 5 A · continuous output current, max · p. 1
Current limit: 8 A · high-side MOSFET peak current limit, typical · p. 4
Feedback reference: 800 mV · FB reference voltage, typical · p. 3
Switches at: 500 kHz · RRT=200 kΩ(1%), typical · p. 4
Junction to air (ESOP-8L): 42 K/W · junction-to-ambient, standard board · p. 3

Parameters

Current Limit: 8A
Features: Cycle-by-cycle current limiting
Frequency - Switching: 500kHz
Function: Step-down type
Junction Temperature(Max): 150℃
Number of Outputs: 1
Operating Temperature: -40℃~+150℃
Output Current: 5A
Output Type: Adjustable
Output Voltage: 800mV~57V
Quiescent Current: 175uA
Reference Voltage: 800mV
Standby Current: 2uA
Switch tube (built-in/external): Built-in
Synchronous Rectifier: No
Thermal Resistance(Junction to Ambient): 42℃/W
Topology: Buck
Voltage - Supply: 4.5V~60V
Voltage - Supply(Absolute Max): 65V

Order codes

SCT2650STERLCSC C2840771

Pinout

The pins of the SCT2650STER
Pin	Name	Type
1	BOOT	Passive
2	VIN	Power in
3	EN	Input
4	RT/CLK	Input
5	FB	Input
6	COMP	Input
7	GND	Power in
8	SW	Power out
9	GND	Passive

Show this part on your page

<iframe src="https://pcbkit.io/embed/parts/sct/SCT2650STER" title="SCT2650STER in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe>

For any web page: the part itself, turned and zoomed by the reader.

Open-source boards using it

4 layers81.2 × 100.2 mm
Underglow3
ConnorRigby/nerves_system_underglow3
hardware support for underglow3
242 parts6Apache-2.0
2 layers86.6 × 77.2 mm
Restore backup 2026-10-15T00-06-46-763
JulCesarCorrea/Basic-EPS
PCB design para a 4 fase da obsat
139 parts
2 layers
PCB PD
Taran-the-Idiot/Flippy

73 partsMIT
2 layers87.2 × 77.2 mm
Sources
JulCesarCorrea/Basic-EPS
PCB design para a 4 fase da obsat
55 parts

Questions

Is there a KiCad symbol and footprint for the SCT2650STER?

Yes. The symbol is Regulator_Switching:SCT2650STE and the footprint Package_SO:SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the SCT2650STER?

ESOP-8, with 9 pins. Its footprint is drawn on this page.

Where is the SCT2650STER datasheet?

SCT publishes it: the Datasheet link on this page opens it.

Where can I order the SCT2650STER?

JLCPCB lists it as part C2840771, with 11,070 in stock; the sellers' links on this page open their listings.

Which open-source boards use the SCT2650STER?

4 boards in 3 repositories on GitHub; the most starred are listed on this page, with their KiCad files.