

Overview
The SC189ZULTRT is a DC DC Converter made by SEMTECH in a MLPD-6-UT(2x2) package with 7 pins. -40℃~+125℃@(TJ) 1 1.5A 2.5MHz 2.9V~5.5V 3.3V Buck Buck Built-in Fixed Yes MLPD-6-UT(2x2) DC-DC Converters ROHS.
PCBKit's library has its footprint (EasyEDA_Cloud:TDFN-6_L2.0-W2.0-P0.50-BL-EP1.7, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C2071079). 6 open-source boards in 5 repositories on GitHub use it.
Symbol
The library has no symbol for this part yet.
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
- 3.3V
- 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- SC189ZULTRTLCSC C2071079
Open-source boards using it
All 6- 2 layers92.5 × 150.6 mm

- 4 layers47.3 × 24 mm

Kicad LFOV RigidFlex Assembly Screwhole Board
Aharoni-Lab/MiniXL
This is the repository for the second version of MiniLFOV, called MiniLFOV-XL.
147 parts8 - 4 layers34.9 × 13.2 mm

CM2 MesoScope
ChangliangGuo2/COMET
This repository includes files for COMET (Cortex-wide Observational Miniature Epifluorescence Technique)
97 parts1 - 4 layers47 × 24 mm

MiniLFMv2 solderjoint smaller
vazirilab/MiniLFMv2
Miniature Light Field Microscope v2 (MiniLFMv2) open hardware design & docs
135 parts1 - 4 layers33 × 16 mm

MiniXL
miniscope/MiniXL
An open-source, large field-of-view epifluorescence miniscope enabling single-cell resolution and multi-region imaging in mice
99 partsGPL-3.0 - 4 layers19 × 11 mm

Led PCB
Aharoni-Lab/MiniXL
This is the repository for the second version of MiniLFOV, called MiniLFOV-XL.
54 parts8
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<iframe src="https://pcbkit.io/embed/parts/semtech/SC189ZULTRT" title="SC189ZULTRT in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/semtech/SC189ZULTRT.jpg" alt="SC189ZULTRT" width="1200" height="900">[](https://pcbkit.io/parts/semtech/SC189ZULTRT)Questions
Is there a KiCad symbol and footprint for the SC189ZULTRT?
Yes. the footprint EasyEDA_Cloud:TDFN-6_L2.0-W2.0-P0.50-BL-EP1.7, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the SC189ZULTRT?
MLPD-6-UT(2x2), with 7 pins. Its footprint is drawn on this page.
Where can I order the SC189ZULTRT?
JLCPCB lists it as part C2071079, with 0 in stock; the sellers' links on this page open their listings.
What can replace the SC189ZULTRT?
Parts like it in the library: the XL1509-3.3 by UMW, the XL1509-3.3E1 by XLSEMI, the LM2596S-3.3(UMW) by UMW and the LM2596S-3.3 by GR. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the SC189ZULTRT?
6 boards in 5 repositories on GitHub; the most starred are listed on this page, with their KiCad files.
Parts like it
8XL1509-3.3
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SOP-8-40℃~+85℃ 1 150kHz 2A 2mA 3.3V 4.5V~40V Buck Buck Built-in Fixed No SOP-8 DC-DC Converters ROHSXLSEMIDC-DC ConvertersLM2596S-3.3(UMW)
TO-263-5-40℃~+125℃@(TA) 1 150kHz 3.3V 3A 40V 80uA Buck Buck Built-in Fixed No TO-263-5 DC-DC Converters ROHSUMWDC-DC ConvertersLM2596S-3.3
TO-263-5L-20℃~+70℃ 1 170kHz 2mA 3.3V 3A 4.5V~40V Buck Buck Built-in Fixed No TO-263-5L DC-DC Converters ROHSGRDC-DC ConvertersLM2596R-3.3
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TO-263-5-40℃~+85℃ 1 150kHz 2mA 3.3V 3A 4.5V~40V Buck Buck Built-in Fixed No TO-263-5 DC-DC Converters ROHSXLSEMIDC-DC ConvertersLM2594HVM-3.3(UMW)
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