Skip to the content
PCBKitNew board
LM1771TSD on a board, in 3D

LM1771TSD

Texas Instruments

-40℃~+125℃@(TJ) 1 1MHz 2.8V~5.5V Buck External Yes WSON-6(3x3) DC-DC Converters ROHS

Extended
DatasheetJLCPCBLCSCti/LM1771TSD
Category
DC DC Converters
Package
WSON-6(3x3)
Pins
7

Overview

The LM1771TSD is a DC DC Converter made by Texas Instruments in a WSON-6(3x3) package with 7 pins. -40℃~+125℃@(TJ) 1 1MHz 2.8V~5.5V Buck External Yes WSON-6(3x3) DC-DC Converters ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:LM1771TSD_NOPB, from EasyEDA) and its footprint (EasyEDA_Cloud:WDFN-6_L3.0-W3.0-P0.95-BL-EP, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C3186959).

Symbol

EN6FB1HG3LG4EP7GND2VIN5
EasyEDA_Cloud:LM1771TSD_NOPBFrom EasyEDA

Footprint

1234567
EasyEDA_Cloud:WDFN-6_L3.0-W3.0-P0.95-BL-EPFrom EasyEDA

Parameters

11
Frequency - Switching
1MHz
Function
Buck
Input Voltage
2.8V~5.5V
Number of Outputs
1
Operating Temperature
-40℃~+125℃@(TJ)
Switch tube (built-in/external)
External
Switching Frequency
1MHz
Synchronous Rectification
Yes
Synchronous Rectifier
Yes
Topology
Step-down
Voltage - Supply
2.8V~5.5V

Order codes

2

Pinout

7
The pins of the LM1771TSD
PinNameType
1FBUnspecified
2GNDUnspecified
3HGUnspecified
4LGUnspecified
5VINUnspecified
6ENUnspecified
7EPUnspecified

Show this part on your page

A live frame, for any web page
<iframe src="https://pcbkit.io/embed/parts/ti/LM1771TSD" title="LM1771TSD in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe>
A picture
<img src="https://pcbkit.io/embed/parts/ti/LM1771TSD.jpg" alt="LM1771TSD" width="1200" height="900">
A picture that opens the part, for a README
[![LM1771TSD](https://pcbkit.io/embed/parts/ti/LM1771TSD.jpg?size=s)](https://pcbkit.io/parts/ti/LM1771TSD)

Questions

Is there a KiCad symbol and footprint for the LM1771TSD?

Yes. The symbol is EasyEDA_Cloud:LM1771TSD_NOPB and the footprint EasyEDA_Cloud:WDFN-6_L3.0-W3.0-P0.95-BL-EP, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the LM1771TSD?

WSON-6(3x3), with 7 pins. Its footprint is drawn on this page.

Where is the LM1771TSD datasheet?

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

Where can I order the LM1771TSD?

JLCPCB lists it as part C3186959, with 0 in stock; the sellers' links on this page open their listings.

What can replace the LM1771TSD?

Parts like it in the library: the LM2735XSDX by Texas Instruments, the LMR10520XSD by Texas Instruments, the LM2832YSD/NOPB by Texas Instruments and the LM2734ZSDX by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8