Skip to the content
PCBKitNew board
LM317K-TN3-R on a board, in 3D

LM317K-TN3-R

UTC

-40℃~+85℃ 1 1.3V~37V 37V 80dB@(120Hz) Adjustable Over Temperature Protection、Short Circuit Protection Positive TO-252-2(DPAK) Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHS

Extended
DatasheetJLCPCBLCSCutc/LM317K-TN3-R
Category
Voltage Regulators Linear, Low Drop Out (LDO) Regulators
Package
TO-252-2(DPAK)
Pins
3

Overview

The LM317K-TN3-R is a voltage Regulators Linear, Low Drop Out (LDO) Regulator made by UTC in a TO-252-2(DPAK) package with 3 pins. -40℃~+85℃ 1 1.3V~37V 37V 80dB@(120Hz) Adjustable Over Temperature Protection、Short Circuit Protection Positive TO-252-2(DPAK) Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:LM317C_C5173769, from EasyEDA) and its footprint (Package_TO_SOT_SMD:TO-252-2, from KiCad's library), ready for a KiCad board. 5,712 are in stock at JLCPCB (part C207748).

Symbol

ADJ1OUT2IN3
EasyEDA_Cloud:LM317C_C5173769From EasyEDA

Footprint

123
Package_TO_SOT_SMD:TO-252-2From KiCad's library

Parameters

9
Features
Thermal shutdown
Number of Outputs
1
Operating Temperature
-40℃~+85℃
Output Configuration
Positive
Output Current
1A
Output Type
Adjustable
Output Voltage
1.3V~37V
Power Supply Rejection Ratio (PSRR)
80dB@(120Hz)
Voltage - Supply
37V

Order codes

1

Pinout

3
The pins of the LM317K-TN3-R
PinNameType
1ADJUnspecified
2OUTUnspecified
3INUnspecified

Show this part on your page

A live frame, for any web page
<iframe src="https://pcbkit.io/embed/parts/utc/LM317K-TN3-R" title="LM317K-TN3-R 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/utc/LM317K-TN3-R.jpg" alt="LM317K-TN3-R" width="1200" height="900">
A picture that opens the part, for a README
[![LM317K-TN3-R](https://pcbkit.io/embed/parts/utc/LM317K-TN3-R.jpg?size=s)](https://pcbkit.io/parts/utc/LM317K-TN3-R)

Questions

Is there a KiCad symbol and footprint for the LM317K-TN3-R?

Yes. The symbol is EasyEDA_Cloud:LM317C_C5173769 and the footprint Package_TO_SOT_SMD:TO-252-2, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the LM317K-TN3-R?

TO-252-2(DPAK), with 3 pins. Its footprint is drawn on this page.

Where is the LM317K-TN3-R datasheet?

UTC publishes it: the Datasheet link on this page opens it.

Where can I order the LM317K-TN3-R?

JLCPCB lists it as part C207748, with 5,712 in stock; the sellers' links on this page open their listings.

What can replace the LM317K-TN3-R?

Parts like it in the library: the CJ7805 3% by Jiangsu Changjing Electronics Technology (CJ), the MC7805BDTRKG by onsemi, the CJ78D05 by Jiangsu Changjing Electronics Technology (CJ) and the AS7805ADTR-G1 by Diodes Incorporated. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8