2 layers
Laser dac diff driver freerouting
robot-army/laser-dac-diff-driver
A 16 bit Analog Devices SPI DAC with a +/- 5 Volt differential output and a PWM line driver for driving laser galvo amps
54 parts6GPL-3.0
LM317EMP
Texas Instruments
0.003%Vout 0℃~+125℃ 1 1.25V~37V 1.5A 37V 80dB@(120Hz) Adjustable Over Current Protection、Over Temperature Protection、Short Circuit Protection Positive SOT-223-4 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHS
Extended
- Category
- Voltage Regulators Linear, Low Drop Out (LDO) Regulators
- Package
- SOT-223-4
- Pins
- 4
Overview
The LM317EMP is a voltage Regulators Linear, Low Drop Out (LDO) Regulator made by Texas Instruments in a SOT-223-4 package with 4 pins. 0.003%Vout 0℃~+125℃ 1 1.25V~37V 1.5A 37V 80dB@(120Hz) Adjustable Over Current Protection、Over Temperature Protection、Short Circuit Protection Positive SOT-223-4 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHS.
PCBKit's library has its KiCad symbol (Regulators:REG3+1 1ADJ-2OUT-3IN+4OUT, from CERN's library) and its footprint (ICs And Semiconductors SMD:SOT230P700X180-4N, from CERN's library), ready for a KiCad board. 1,555 are in stock at JLCPCB (part C79950). 9 open-source boards in 7 repositories on GitHub use it.
Symbol
Footprint
Parameters
13- Feature
- 低ESR；Overcurrent Protection(OCP)；防静电保护；Short-Circuit Protection；Thermal Protection(TSD)；带使能
- Features
- Short Circuit Protection
- Maximum Input Voltage
- 37V
- Noise
- 0.003%Vout
- Number of Outputs
- 1
- Operating Temperature
- 0℃~+125℃
- Output Configuration
- Positive
- Output Current
- 1.5A
- Output Polarity
- Positive electrode
- Output Type
- Adjustable
- Output Voltage
- 1.25V~37V
- Power Supply Rejection Ratio (PSRR)
- 80dB@(120Hz)
- Voltage - Supply
- 37V
Order codes
2- LM317EMPLCSC C3743724
- LM317EMP/NOPBLCSC C79950
Pinout
4| Pin | Name | Type |
|---|---|---|
| 1 | ADJ | Power in |
| 2 | OUT | Power in |
| 3 | IN | Input |
| 4 | OUT | Power in |
Open-source boards using it
All 9- 2 layers26 × 17 mm
- 2 layers144 × 88 mm
- 2 layers
- 2 layers
Noname.kicad pcb version2
grtyvr/DPSPicoScope-Clone
A clone of the great project DPIPicoscope based on AJ Scope
48 parts - 2 layers124.5 × 2.5 mm
- 2 layers40 × 82 mm
JCMuac
stonedDiscord/Automatenplatinen
Reverse engineerte Hardware aus deutschen Spielautomaten.
46 parts5BSD-2-Clause - 2 layers41.6 × 39.5 mm
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<iframe src="https://pcbkit.io/embed/parts/ti/LM317EMP" title="LM317EMP in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/ti/LM317EMP.jpg" alt="LM317EMP" width="1200" height="900">[](https://pcbkit.io/parts/ti/LM317EMP)Questions
Is there a KiCad symbol and footprint for the LM317EMP?
Yes. The symbol is Regulators:REG3+1 1ADJ-2OUT-3IN+4OUT and the footprint ICs And Semiconductors SMD:SOT230P700X180-4N, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the LM317EMP?
SOT-223-4, with 4 pins. Its footprint is drawn on this page.
Where is the LM317EMP datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the LM317EMP?
JLCPCB lists it as part C79950, with 1,555 in stock; the sellers' links on this page open their listings.
What can replace the LM317EMP?
Parts like it in the library: the LM337IMP by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the LM317EMP?
9 boards in 7 repositories on GitHub; the most starred are listed on this page, with their KiCad files.
