Skip to the content
PCBKitNew board
LM1771TMM on a board, in 3D

LM1771TMM

Texas Instruments

-40℃~+125℃@(TJ) 1 1MHz 2.8V~5.5V Buck Buck Yes VSSOP-8-0.65mm DC-DC Converters ROHS

Extended
DatasheetJLCPCBLCSCti/LM1771TMM
Category
DC DC Controllers
Package
VSSOP-8-0.65mm
Pins
8

Overview

The LM1771TMM is a DC DC Controller made by Texas Instruments in a VSSOP-8-0.65mm package with 8 pins. -40℃~+125℃@(TJ) 1 1MHz 2.8V~5.5V Buck Buck Yes VSSOP-8-0.65mm DC-DC Converters ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:LM1771TMM_NOPB, from EasyEDA) and its footprint (Package_SO:VSSOP-8_3x3mm_P0.65mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C2658075).

Symbol

FB1GND2GND3HG4LG5VIN6VIN7EN8
EasyEDA_Cloud:LM1771TMM_NOPBFrom EasyEDA

Footprint

12345678
Package_SO:VSSOP-8_3x3mm_P0.65mmFrom KiCad's library

Parameters

12
Features
Overcurrent Protection；Protection latch
Frequency - Switching
1MHz
Function
Step-down type
Number of Outputs
1
Operating Temperature
-40℃~+125℃@(TJ)
Output Type
Adjustable
Output Voltage
800mV~5.5V
Quiescent Current
400uA
Switch tube (built-in/external)
External
Synchronous Rectifier
Yes
Topology
Buck
Voltage - Supply
2.8V~5.5V

Order codes

1

Pinout

8
The pins of the LM1771TMM
PinNameType
1FBUnspecified
2GNDUnspecified
3GNDUnspecified
4HGUnspecified
5LGUnspecified
6VINUnspecified
7VINUnspecified
8ENUnspecified

Show this part on your page

A live frame, for any web page
<iframe src="https://pcbkit.io/embed/parts/ti/LM1771TMM" title="LM1771TMM 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/LM1771TMM.jpg" alt="LM1771TMM" width="1200" height="900">
A picture that opens the part, for a README
[![LM1771TMM](https://pcbkit.io/embed/parts/ti/LM1771TMM.jpg?size=s)](https://pcbkit.io/parts/ti/LM1771TMM)

Questions

Is there a KiCad symbol and footprint for the LM1771TMM?

Yes. The symbol is EasyEDA_Cloud:LM1771TMM_NOPB and the footprint Package_SO:VSSOP-8_3x3mm_P0.65mm, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the LM1771TMM?

VSSOP-8-0.65mm, with 8 pins. Its footprint is drawn on this page.

Where is the LM1771TMM datasheet?

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

Where can I order the LM1771TMM?

JLCPCB lists it as part C2658075, with 0 in stock; the sellers' links on this page open their listings.

What can replace the LM1771TMM?

Parts like it in the library: the LM3478QMMX by Texas Instruments, the LM3489QMMX by Texas Instruments, the LM5085MM by Texas Instruments and the UCC28C44DGK by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8