Skip to the content
12345678910111213141516171819202122232425262728

LM2657MTC

Texas InstrumentsExtended

-40℃~+125℃@(TJ) 100uA 2 4.5V~28V 500kHz Adjustable Buck External Overcurrent Protection、Light load efficient mode、Adjustable soft-start、Operating status indication、Adjustable current limiting Step-down type Yes TSSOP-28 DC-DC Converters

Part id
ti/LM2657MTC
Category
DC DC Converters
Package
TSSOP-28
Pins
28
In stock
0 at JLCPCB (C3189096)

Overview

The LM2657MTC is a DC DC Converter made by Texas Instruments in a TSSOP-28 package with 28 pins. -40℃~+125℃@(TJ) 100uA 2 4.5V~28V 500kHz Adjustable Buck External Overcurrent Protection、Light load efficient mode、Adjustable soft-start、Operating status indication、Adjustable current limiting Step-down type Yes TSSOP-28 DC-DC Converters.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:LM2657MTC, from EasyEDA) and its footprint (Package_SO:TSSOP-28_4.4x9.7mm_P0.65mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C3189096).

Symbol

SENSE11FB12COMP13SS14VDD5FREQ6SGND7EN8PGOOD9FPWM10SS211COMP212FB213SENSE214ILIM215SW216HDRV217BOOT218PGND219LDRV220V521VIN22LDRV123PGND124BOOT125HDRV126SW127ILIM128
EasyEDA_Cloud:LM2657MTCFrom EasyEDA

Footprint

12345678910111213141516171819202122232425262728
Package_SO:TSSOP-28_4.4x9.7mm_P0.65mmFrom KiCad's library

Pinout

28
The pins of the LM2657MTC
PinNameType
1SENSE1Unspecified
2FB1Unspecified
3COMP1Unspecified
4SS1Unspecified
5VDDUnspecified
6FREQUnspecified
7SGNDUnspecified
8ENUnspecified
9PGOODUnspecified
10FPWMUnspecified
11SS2Unspecified
12COMP2Unspecified
13FB2Unspecified
14SENSE2Unspecified
15ILIM2Unspecified
16SW2Unspecified
17HDRV2Unspecified
18BOOT2Unspecified
19PGND2Unspecified
20LDRV2Unspecified
21V5Unspecified
22VINUnspecified
23LDRV1Unspecified
24PGND1Unspecified
25BOOT1Unspecified
26HDRV1Unspecified
27SW1Unspecified
28ILIM1Unspecified

Parts like it

8

Questions

Is there a KiCad symbol and footprint for the LM2657MTC?

Yes. The symbol is EasyEDA_Cloud:LM2657MTC and the footprint Package_SO:TSSOP-28_4.4x9.7mm_P0.65mm, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the LM2657MTC?

TSSOP-28, with 28 pins. Its footprint is drawn on this page.

Where is the LM2657MTC datasheet?

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

Where can I order the LM2657MTC?

JLCPCB lists it as part C3189096, with 0 in stock; the sellers' links on this page open their listings.

What can replace the LM2657MTC?

Parts like it in the library: the LM5642MTC by Texas Instruments, the LM2640MTCX-ADJ by Texas Instruments, the LM5642XMTX by Texas Instruments and the MAX15034AAUI+ by Maxim Integrated (Analog Devices). Check their datasheets: a part that fits the footprint may still differ in its ratings.