

Overview
The SC189CULTRT is a DC DC Controller made by SEMTECH in a MLPD-6-UT(2x2) package with 7 pins. -40℃~+125℃@(TJ) 1 1.2V 1.5A 2.5MHz 2.9V~5.5V Buck Buck Built-in Fixed Yes MLPD-6-UT(2x2) DC-DC Converters ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:SC189HULTRT, from EasyEDA) and its footprint (EasyEDA_Cloud:MLPD-UT-6_L2.0-W2.0-P0.50-BL-EP, from EasyEDA), ready for a KiCad board. 30 are in stock at JLCPCB (part C842843). 1 open-source board in 1 repository on GitHub use it.
Symbol
Footprint
Parameters
13- Features
- Overcurrent Protection
- Frequency - Switching
- 2.5MHz
- Function
- Step-down type
- Number of Outputs
- 1
- Operating Temperature
- -40℃~+125℃@(TJ)
- Output Current
- 1.5A
- Output Type
- Fixed
- Output Voltage
- 1.2V
- Quiescent Current
- 7.5mA
- Switch tube (built-in/external)
- Built-in
- Synchronous Rectifier
- Yes
- Topology
- Buck
- Voltage - Supply
- 2.9V~5.5V
Order codes
1- SC189CULTRTLCSC C842843
Pinout
7| Pin | Name | Type |
|---|---|---|
| 1 | NC | Unspecified |
| 2 | EN | Unspecified |
| 3 | VIN | Unspecified |
| 4 | LX | Unspecified |
| 5 | GND | Unspecified |
| 6 | VOUT | Unspecified |
| 7 | EP | Unspecified |
Open-source boards using it
All 1- 6 layers40 × 15 mm

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Is there a KiCad symbol and footprint for the SC189CULTRT?
Yes. The symbol is EasyEDA_Cloud:SC189HULTRT and the footprint EasyEDA_Cloud:MLPD-UT-6_L2.0-W2.0-P0.50-BL-EP, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the SC189CULTRT?
MLPD-6-UT(2x2), with 7 pins. Its footprint is drawn on this page.
Where is the SC189CULTRT datasheet?
SEMTECH publishes it: the Datasheet link on this page opens it.
Where can I order the SC189CULTRT?
JLCPCB lists it as part C842843, with 30 in stock; the sellers' links on this page open their listings.
Which open-source boards use the SC189CULTRT?
1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.