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LM5121MH

Texas InstrumentsExtended

-40℃~+125℃ 1 12V 250kHz 3V~65V Boost Boost External Yes HTSSOP-20-EP DC-DC Converters ROHS

Part id
ti/LM5121MH
Category
DC DC Converters
Package
HTSSOP-20-EP
Pins
21
In stock
3 at JLCPCB (C22464760)

Overview

The LM5121MH is a DC DC Converter made by Texas Instruments in a HTSSOP-20-EP package with 21 pins. -40℃~+125℃ 1 12V 250kHz 3V~65V Boost Boost External Yes HTSSOP-20-EP DC-DC Converters ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:LM5121MH_NOPB_C22464760, from EasyEDA) and its footprint (EasyEDA_Cloud:HTSSOP-20_L6.5-W4.4-P0.65-LS6.4-BL-EP-3, from EasyEDA), ready for a KiCad board. 3 are in stock at JLCPCB (part C22464760).

Symbol

3CSN4CSP2DG1DS12SLOPE7SS18SW8SYNCIN/RT15PGND9AGND5VIN6UVLO14RES13MODE16LO19HO10FB21EP11COMP20BST17VCC
EasyEDA_Cloud:LM5121MH_NOPB_C22464760From EasyEDA

Footprint

123456789101112131415161718192021
EasyEDA_Cloud:HTSSOP-20_L6.5-W4.4-P0.65-LS6.4-BL-EP-3From EasyEDA

Pinout

21
The pins of the LM5121MH
PinNameType
1DSUnspecified
2DGUnspecified
3CSNUnspecified
4CSPUnspecified
5VINUnspecified
6UVLOUnspecified
7SSUnspecified
8SYNCIN/RTUnspecified
9AGNDUnspecified
10FBUnspecified
11COMPUnspecified
12SLOPEUnspecified
13MODEUnspecified
14RESUnspecified
15PGNDUnspecified
16LOUnspecified
17VCCUnspecified
18SWUnspecified
19HOUnspecified
20BSTUnspecified
21EPUnspecified

Parts like it

8

Questions

Is there a KiCad symbol and footprint for the LM5121MH?

Yes. The symbol is EasyEDA_Cloud:LM5121MH_NOPB_C22464760 and the footprint EasyEDA_Cloud:HTSSOP-20_L6.5-W4.4-P0.65-LS6.4-BL-EP-3, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the LM5121MH?

HTSSOP-20-EP, with 21 pins. Its footprint is drawn on this page.

Where is the LM5121MH datasheet?

Texas Instruments publishes it: the Datasheet link on this page opens it.

Where can I order the LM5121MH?

JLCPCB lists it as part C22464760, with 3 in stock; the sellers' links on this page open their listings.

What can replace the LM5121MH?

Parts like it in the library: the XL1509-12E1 by XLSEMI, the XL1509-12 by UMW, the LM2596S-12(UMW) by UMW and the LM2576S-12(UMW) by UMW. Check their datasheets: a part that fits the footprint may still differ in its ratings.