LM317 DC to DC Converter Step Down Power Supply

Quality electronics from The Engineer Store, Bengaluru. Fast shipping, 7-day warranty on manufacturing defects, expert support.

Product Overview

The LM317 is a versatile, adjustable linear voltage regulator IC designed for step-down DC to DC conversion applications. This three-terminal device delivers regulated output voltage with excellent line and load regulation, making it ideal for powering various electronic circuits and projects.

Key Features

• Adjustable Output Voltage: 1.25V to 37V output range
• High Current Capability: Up to 1.5A output current
• Excellent Regulation: Low dropout voltage and stable output
• Thermal Protection: Built-in overtemperature shutdown
• Wide Input Voltage Range: 3V to 40V input
• Low Output Impedance: Superior load regulation
• Easy to Use: Minimal external components required

Specifications

Parameter	Details
Type	Electronics Component / IC
Origin	Original/Authentic
Package	TO-220 (Standard)
Warranty	7-day warranty on manufacturing defects
Support	Email & WhatsApp 24/7
Output Current	1.5A (adjustable)
Input Voltage Range	3V to 40V DC
Output Voltage Range	1.25V to 37V (adjustable)

Why Choose This?

100% Authentic - Sourced from trusted authorized distributors with verification

Fast Shipping - 1-5 day shipping, 7-8 day delivery from Bengaluru warehouse

Expert Support - Complete technical guidance included

Reliable Quality - Industry-standard component for professional use

Competitive Pricing - Best value for authentic components

Applications & Project Ideas

DIY Electronics

• Custom power supply modules for hobby projects
• Arduino and microcontroller power supplies
• LED driver circuits and lighting applications
• Battery charging circuits

Professional Applications

• Industrial control systems
• Telecommunications equipment
• Test and measurement instruments
• Embedded system power management

Learning & Education

• Electronics laboratory experiments
• Power supply design training
• Student engineering projects
• Skill development and prototyping

Technical Details

How It Works:

The LM317 uses an internal voltage reference and feedback network to maintain a stable output voltage. By adjusting the external resistor network, you can set any output voltage from 1.25V to 37V, making it perfect for custom power supply designs.

Design Flexibility:

Requires minimal external components - typically just two resistors and two capacitors for a complete working circuit. Detailed application circuits provided in documentation.

What's Included

• LM317 IC (authentic component)
• Complete technical datasheet
• Application circuit diagrams
• Design calculation guide
• Support documentation

Quality Assurance

• Tested and verified before shipment
• Authentic sourcing from authorized distributors
• Manufacturer certification included
• 100% functional guarantee

Frequently Asked Questions

Is this 100% authentic?

Yes, absolutely. All components are sourced directly from authorized distributors with full authentication verification and manufacturer certification included.

What warranty is provided?

7-day warranty on manufacturing defects covering all manufacturing defects. If the component fails under normal operating conditions, we'll replace it free of cost.

How fast is the shipping?

7-8 days to most locations in India from our Bengaluru warehouse. Express shipping options available for urgent orders.

Do you provide technical support?

Yes, full technical support is available 24/7 via email and WhatsApp. Our experts can help with circuit design, troubleshooting, and application guidance.

What's your return policy?

7-day returns on manufacturing defects only with full refund or replacement. applicable on manufacturing defects only if the component is faulty or doesn't meet specifications.

Do you offer bulk discounts?

Yes! Wholesale pricing is available on orders of 10+ units. Contact our sales team for custom quotes and volume discounts.

Can I use this for high-current applications?

The standard LM317 supports up to 1.5A. For higher currents, use external pass transistors or consider LM350 (3A) variant.

What external components do I need?

Typically: 2 resistors (for voltage adjustment), 2 capacitors (input/output filtering), and a heatsink for higher current applications. Complete circuit diagrams provided.

Contact & Support

Email: support@theengineerstore.in

WhatsApp: Available 24/7

Location: Bengaluru, India

Fast Shipping: Pan-India delivery

The Engineer Store - Your trusted source for authentic electronics components and expert technical support.

Buy LM317 DC to DC Converter Step Down Power Supply Online in India

Purchase the LM317 DC to DC Converter Step Down Power Supply online at The Engineer Store - India's most trusted electronics components store. We deliver across all major cities including Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on LM317 DC to DC Converter Step Down Power Supply with fast 1-5 day shipping from our Bengaluru warehouse. All products are 100% authentic, sourced from authorized distributors with 7-day warranty on manufacturing defects.

Looking to buy LM317 DC to DC Converter Step Down Power Supply at the best price in India? The Engineer Store offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.