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ETA8121S2G on a board, in 3D

ETA8121S2G

etasolution

-40℃~+85℃ 1 1MHz 2A 4.2V~18V 800mV~12V Adjustable Buck Buck Built-in Yes SOT23-6 DC-DC Converters ROHS

Extended
DatasheetJLCPCBLCSCetasolution/ETA8121S2G
Category
DC DC Converters
Package
SOT23-6
Pins
6

Overview

The ETA8121S2G is a DC DC Converter made by etasolution in a SOT23-6 package with 6 pins. -40℃~+85℃ 1 1MHz 2A 4.2V~18V 800mV~12V Adjustable Buck Buck Built-in Yes SOT23-6 DC-DC Converters ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:ADP2301AUJZ-R7, from EasyEDA) and its footprint (Package_TO_SOT_SMD:SOT-23-6, from KiCad's library), ready for a KiCad board. 14,675 are in stock at JLCPCB (part C7465509). 1 open-source board in 1 repository on GitHub use it.

Symbol

BST1GND2FB3EN4VIN5SW6
EasyEDA_Cloud:ADP2301AUJZ-R7From EasyEDA

Footprint

123456
Package_TO_SOT_SMD:SOT-23-6From KiCad's library

Parameters

13
Features
Hiccup current limiting
Frequency - Switching
1MHz
Function
Step-down type
Number of Outputs
1
Operating Temperature
-40℃~+85℃
Output Current
2A
Output Type
Adjustable
Output Voltage
800mV~12V
Quiescent Current
750uA
Switch tube (built-in/external)
Built-in
Synchronous Rectifier
Yes
Topology
Buck
Voltage - Supply
4.2V~18V

Order codes

1

Pinout

6
The pins of the ETA8121S2G
PinNameType
1BSTUnspecified
2GNDUnspecified
3FBUnspecified
4ENUnspecified
5VINUnspecified
6SWUnspecified

Open-source boards using it

All 1
  • 2 layers21 × 11 mmEta buck, the printed circuit board in 3D

    Eta buck

    smkent/pcb

    PCB designs

    26 partsCC-BY-SA-4.0

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Questions

Is there a KiCad symbol and footprint for the ETA8121S2G?

Yes. The symbol is EasyEDA_Cloud:ADP2301AUJZ-R7 and the footprint Package_TO_SOT_SMD:SOT-23-6, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the ETA8121S2G?

SOT23-6, with 6 pins. Its footprint is drawn on this page.

Where is the ETA8121S2G datasheet?

etasolution publishes it: the Datasheet link on this page opens it.

Where can I order the ETA8121S2G?

JLCPCB lists it as part C7465509, with 14,675 in stock; the sellers' links on this page open their listings.

What can replace the ETA8121S2G?

Parts like it in the library: the TPS562201DDC by Texas Instruments, the SX1308 by SX, the ETA8120S2G by etasolution and the LN2220PAR by NATLINEAR. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Which open-source boards use the ETA8121S2G?

1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.

Parts like it

8