LM317 DC-DC Adjustable Regulator

The LM317 is one of the most trusted linear voltage regulators ever built — and this compact module makes it even easier to deploy. Adjustable from 1.2 V to 37 V at up to 1.5 A, it operates reliably across a -55°C to +150°C temperature range, making it ideal for stable, low-noise voltage regulation in sensitive analog and audio circuits where switching regulators introduce unwanted ripple.

🔹 Key Applications

• Stable voltage regulation for analog sensor circuits

• Audio preamplifier and op-amp power supply regulation

• Battery charger voltage control

• Laboratory reference voltage source

• Powering low-noise RF and communication modules

• Educational electronics projects and coursework

🔹 Why Choose This Module?

• LM317 — one of the world's most proven and trusted voltage regulator ICs

• Low output noise — ideal for analog, audio, and RF circuits

• Wide temperature range (-55°C to +150°C) — suits industrial environments

• Simple 3-terminal design — easy to integrate without complex support circuitry

• 1.5 A output current — sufficient for most embedded and sensor applications

🔹 Technical Specifications

• Chipset: LM317

• Input/Output Differential: Up to 40 V DC

• Output Voltage: 1.2 V – 37 V DC (adjustable)

• Output Current: 1.5 A max

• Operating Temperature: -55°C to +150°C

• Topology: Linear (low noise)

🔹 What's Included

1 × LM317 Adjustable Voltage Regulator Module

🔹 Pro Tip

💡 Unlike switching regulators, the LM317 produces virtually zero switching noise — making it the preferred choice for powering sensitive analog circuits, op-amps, and audio stages. Add a 10 µF capacitor on the output for extra stability. For higher current, parallel two modules with matching resistors.

⚠️ Note: Always ensure proper heat dissipation and correct voltage configuration before powering connected devices.