LM317-linear voltage regulator
About the LM317-linear voltage regulator PCB
LM317-linear voltage regulator is an open source PCB design by PageNotFound222, published on GitHub. It is a 2-layer board measuring 59.5 × 23 mm, with 7 components from 5 distinct parts.
Other key parts include the LM317TG. By type, the board carries 2 connectors and 1 IC.
From the project
A simple, compact PCB design for an adjustable voltage regulator based on the LM317.
A simple, compact PCB design for an adjustable voltage regulator based on the LM317.
This project provides a ready-to-use PCB for building a linear adjustable power supply using the LM317 regulator.
Input Voltage: 7V – 24V Output Voltage: 1.25V – 15V (adjustable) * Output Current: up to 1.5A (with proper heat sinking)
Compact PCB layout Standard through-hole components Easy to assemble Suitable for beginners and lab use * Mounting holes included
Main components on the LM317-linear voltage regulator
LM317-linear voltage regulator bill of materials (BOM)
7 components, 5 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | LM317TG ON Semiconductor | TO-220-3_Vertical | U1 |
| 2 | Screw_Terminal_01x02 | TerminalBlock_MaiXu_MX126-5.0-02P_1x02_P5.00mm | J1, J2 |
| 2 | C_Small | C_Disc_D5.0mm_W2.5mm_P5.00mm | 0.1uF1, 1uF1 |
| 1 | R_Variable_US | R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | 5K1 |
| 1 | R_Small_US | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | 240ohm1 |
LM317-linear voltage regulator design files
The KiCad project lives in the PageNotFound222/LM317-linear-voltage-regulator repository on GitHub; these links point at the commit this page was built from.
- LayoutLM-317.kicad_pcb
- SchematicLM-317.kicad_sch
LM317-linear voltage regulator: common questions
How big is the LM317-linear voltage regulator PCB?
The LM317-linear voltage regulator measures 59.5 × 23 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the LM317-linear voltage regulator?
7 components, from 5 distinct parts. The full bill of materials is listed on this page.
Where can I download the LM317-linear voltage regulator design files?
From the PageNotFound222/LM317-linear-voltage-regulator repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the LM317-linear voltage regulator design in my own project?
The repository has no license, so all rights stay with PageNotFound222. Use it as a reference, and ask the author before reusing the design.