Skip to the content
PCBKitNew board
TC105303ECTTR on a board, in 3D

TC105303ECTTR

Microchip Technology

-40℃~+85℃@(TA) 1 2.2V~10V 300kHz Buck Buck External No SOT-23-5 DC-DC Converters ROHS

Extended
DatasheetJLCPCBLCSCmicrochip/TC105303ECTTR
Category
DC DC Converters
Package
SOT-23-5
Pins
5

Overview

The TC105303ECTTR is a DC DC Converter made by Microchip Technology in a SOT-23-5 package with 5 pins. -40℃~+85℃@(TA) 1 2.2V~10V 300kHz Buck Buck External No SOT-23-5 DC-DC Converters ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:TC110303ECTTR, from EasyEDA) and its footprint (Package_TO_SOT_SMD:SOT-23-5, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C626378).

Symbol

EXT5GND4SHDN#/SS3VDD2VOUT1
EasyEDA_Cloud:TC110303ECTTRFrom EasyEDA

Footprint

12345
Package_TO_SOT_SMD:SOT-23-5From KiCad's library

Parameters

13
Features
Light load efficient mode, Adjustable soft-start
Frequency - Switching
300kHz
Function
Step-down type
Number of Outputs
1
Operating Temperature
-40℃~+85℃@(TA)
Output Current
1A
Output Type
Fixed
Output Voltage
3V
Quiescent Current
57uA
Switch tube (built-in/external)
External
Synchronous Rectifier
No
Topology
Buck
Voltage - Supply
2.2V~10V

Order codes

1

Pinout

5
The pins of the TC105303ECTTR
PinNameType
1VOUTUnspecified
2VDDUnspecified
3SHDN#/SSUnspecified
4GNDUnspecified
5EXTUnspecified

Show this part on your page

A live frame, for any web page
<iframe src="https://pcbkit.io/embed/parts/microchip/TC105303ECTTR" title="TC105303ECTTR in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe>
A picture
<img src="https://pcbkit.io/embed/parts/microchip/TC105303ECTTR.jpg" alt="TC105303ECTTR" width="1200" height="900">
A picture that opens the part, for a README
[![TC105303ECTTR](https://pcbkit.io/embed/parts/microchip/TC105303ECTTR.jpg?size=s)](https://pcbkit.io/parts/microchip/TC105303ECTTR)

Questions

Is there a KiCad symbol and footprint for the TC105303ECTTR?

Yes. The symbol is EasyEDA_Cloud:TC110303ECTTR and the footprint Package_TO_SOT_SMD:SOT-23-5, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the TC105303ECTTR?

SOT-23-5, with 5 pins. Its footprint is drawn on this page.

Where is the TC105303ECTTR datasheet?

Microchip Technology publishes it: the Datasheet link on this page opens it.

Where can I order the TC105303ECTTR?

JLCPCB lists it as part C626378, with 0 in stock; the sellers' links on this page open their listings.

What can replace the TC105303ECTTR?

Parts like it in the library: the XC9257A30CMR-G by Torex Semiconductor, the XC9257A30EMR-G by Torex Semiconductor, the XC9257B30CMR-G by Torex Semiconductor and the XC9257B30EMR-G by Torex Semiconductor. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8