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LM51551DSST

Texas InstrumentsExtended

-40℃~+125℃@(TJ) 1 2.2MHz 2.97V~45V Boost Boost、SEPIC、Flyback External No WSON-12-EP(2x3) DC-DC Converters ROHS

Part id
ti/LM51551DSST
Category
DC DC Controllers
Package
WSON-12-EP(2x3)
Pins
13
In stock
16 at JLCPCB (C2658079)

Overview

The LM51551DSST is a DC DC Controller made by Texas Instruments in a WSON-12-EP(2x3) package with 13 pins. -40℃~+125℃@(TJ) 1 2.2MHz 2.97V~45V Boost Boost、SEPIC、Flyback External No WSON-12-EP(2x3) DC-DC Converters ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:LM51551DSSR, from EasyEDA) and its footprint (EasyEDA_Cloud:WSON-12_L3.0-W2.0-P0.5-BL-EP2.7, from EasyEDA), ready for a KiCad board. 16 are in stock at JLCPCB (part C2658079).

Symbol

13EP12UVLO/SYNC11PGOOD10RT9SS8FB7AGND6COMP5CS4PGND3GATE2VCC1BIAS
EasyEDA_Cloud:LM51551DSSRFrom EasyEDA

Footprint

13
EasyEDA_Cloud:WSON-12_L3.0-W2.0-P0.5-BL-EP2.7From EasyEDA

Pinout

13
The pins of the LM51551DSST
PinNameType
1BIASUnspecified
2VCCUnspecified
3GATEUnspecified
4PGNDUnspecified
5CSUnspecified
6COMPUnspecified
7AGNDUnspecified
8FBUnspecified
9SSUnspecified
10RTUnspecified
11PGOODUnspecified
12UVLO/SYNCUnspecified
13EPUnspecified

Parts like it

3

Questions

Is there a KiCad symbol and footprint for the LM51551DSST?

Yes. The symbol is EasyEDA_Cloud:LM51551DSSR and the footprint EasyEDA_Cloud:WSON-12_L3.0-W2.0-P0.5-BL-EP2.7, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the LM51551DSST?

WSON-12-EP(2x3), with 13 pins. Its footprint is drawn on this page.

Where is the LM51551DSST datasheet?

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

Where can I order the LM51551DSST?

JLCPCB lists it as part C2658079, with 16 in stock; the sellers' links on this page open their listings.

What can replace the LM51551DSST?

Parts like it in the library: the LM5155DSS by Texas Instruments, the LM5155QDSSRQ1 by Texas Instruments and the LM5155QDSSTQ1 by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.