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AX3121ESA

Axelite TechExtended

-40℃~+150℃ 1 1.2V~5V 200kHz~300kHz 3.5A 4.5V~23V 8mA Adjustable Buck Buck Built-in No SOP-8-EP DC-DC Converters ROHS

Part id
axelite-tech/AX3121ESA
Category
DC DC Converters
Package
SOP-8-EP
Pins
9
In stock
0 at JLCPCB (C501356)

Overview

The AX3121ESA is a DC DC Converter made by Axelite Tech in a SOP-8-EP package with 9 pins. -40℃~+150℃ 1 1.2V~5V 200kHz~300kHz 3.5A 4.5V~23V 8mA Adjustable Buck Buck Built-in No SOP-8-EP DC-DC Converters ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:AX3121ESA, from EasyEDA) and its footprint (EasyEDA_Cloud:SOP-8_L4.9-W3.9-P1.27-LS6.0-BL-EP, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C501356).

Symbol

EN/SS1SGND2SVcc3PVcc4SW5PGND6FB7COMP8SW9
EasyEDA_Cloud:AX3121ESAFrom EasyEDA

Footprint

1234567899999
EasyEDA_Cloud:SOP-8_L4.9-W3.9-P1.27-LS6.0-BL-EPFrom EasyEDA

Pinout

9
The pins of the AX3121ESA
PinNameType
1EN/SSUnspecified
2SGNDUnspecified
3SVccUnspecified
4PVccUnspecified
5SWUnspecified
6PGNDUnspecified
7FBUnspecified
8COMPUnspecified
9SWUnspecified

Parts like it

8

Questions

Is there a KiCad symbol and footprint for the AX3121ESA?

Yes. The symbol is EasyEDA_Cloud:AX3121ESA and the footprint EasyEDA_Cloud:SOP-8_L4.9-W3.9-P1.27-LS6.0-BL-EP, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the AX3121ESA?

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

Where is the AX3121ESA datasheet?

Axelite Tech publishes it: the Datasheet link on this page opens it.

Where can I order the AX3121ESA?

JLCPCB lists it as part C501356, with 0 in stock; the sellers' links on this page open their listings.

What can replace the AX3121ESA?

Parts like it in the library: the TPS5450DDAR by Texas Instruments, the TPS54427DDAR by Texas Instruments, the RT8279GSP by Richtek Tech and the LP6221ASPF by LOWPOWER. Check their datasheets: a part that fits the footprint may still differ in its ratings.