Overview
The LM2743MTC is a DC DC Controller made by Texas Instruments in a TSSOP-14 package with 14 pins. -40℃~+125℃@(TJ) 1 1MHz 20A 3V~6V Buck Buck External Yes TSSOP-14 DC-DC Converters ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:LM2748MTC_NOPB, from EasyEDA) and its footprint (Package_SO:TSSOP-14_4.4x5mm_P0.65mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C139325).
Symbol
Footprint
Parameters
11- Frequency - Switching
- 1MHz
- Function
- Step-down type
- Number of Outputs
- 1
- Operating Temperature
- -40℃~+125℃@(TJ)
- Output Current
- 20A
- Output Current (Max)
- 20A
- Switch tube (built-in/external)
- External
- Synchronous Rectification
- Yes
- Synchronous Rectifier
- Yes
- Topology
- Buck
- Voltage - Supply
- 3V~6V
Order codes
2- LM2743MTCLCSC C139325
- LM2743MTC/NOPBLCSC C2867405
Pinout
14| Pin | Name | Type |
|---|---|---|
| 1 | BOOT | Unspecified |
| 2 | LG | Unspecified |
| 3 | PGND | Unspecified |
| 4 | SGND | Unspecified |
| 5 | VCC | Unspecified |
| 6 | PWGD | Unspecified |
| 7 | ISEN | Unspecified |
| 8 | EAO | Unspecified |
| 9 | SS/TRACK | Unspecified |
| 10 | FB | Unspecified |
| 11 | FREQ | Unspecified |
| 12 | SD# | Unspecified |
| 13 | PGND | Unspecified |
| 14 | HG | Unspecified |
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Is there a KiCad symbol and footprint for the LM2743MTC?
Yes. The symbol is EasyEDA_Cloud:LM2748MTC_NOPB and the footprint Package_SO:TSSOP-14_4.4x5mm_P0.65mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the LM2743MTC?
TSSOP-14, with 14 pins. Its footprint is drawn on this page.
Where is the LM2743MTC datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the LM2743MTC?
JLCPCB lists it as part C139325, with 0 in stock; the sellers' links on this page open their listings.
What can replace the LM2743MTC?
Parts like it in the library: the UCC25702PWG4 by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.
