This is the 40V variant of the DC5-40V to 3.7V 1A Buck Step Down Converter Module with 3PIN in Buck Converter, Buck Boost Voltage Regulators. Available at ₹106.20 (₹90.00 + GST) with free shipping across India.
Offers high efficiency of up to 90%, with an adjustable input voltage range of 5-40V. Equipped with over-current and over-temperature protection for enhanced safety. Powered by a high-performance, fixed-frequency current control mode controller. Ideal for applications such as battery chargers, home automation systems, and other high-voltage electrical equipment.
Features:
- High efficiency up to 90%.
- 5-40V adjustable input voltage range.
- With over-current and over-temperature protection, safe for use.
- It uses high performance fixed frequency current control mode controller as the core.
- Suitable for Battery chargers, home automation, and other high voltage electrical equipment.
Specification:
| Input Voltage (V) | 5~40V |
|---|---|
| Output | 3.7V |
| Max. Output Current (A) | 1A |
| Efficiency | 76-90% |
| Material | Electronic Component |
| Color: | Green |
| Size(mm) | 18.3mm x 10.2mm x 6.7mm |
| Shipping Weight | 0.02 kg |
| Shipping Dimensions | 2 × 2 × 1 cm |
PACKAGE INCLUDES:
1 X DC-DC5-40V to 3.7V 1A Buck Step Down Converter Module with 3PIN
Technical Specifications
| Model | DC5-40V |
|---|---|
| Operating Voltage | 3.7V |
| Current Rating | 1A |
| Pin Count | 3-pin |
| SKU | AI3001 |
| Weight | 0.0 kg |
| Availability | In Stock |
Applications & Use Cases
The DC5-40V to 3.7V 1A Buck Step Down Converter Module with 3PIN is a versatile buck converter used across a wide range of applications including voltage step-down for electronics, battery-powered projects, LED driver circuits, microcontroller power supply, and solar power regulation.
Common use cases:
- Converting 12V car battery to 5V for USB devices
- Powering a Raspberry Pi from a drone battery
- Regulating solar panel output for charging
This product is ideal for electronics hobbyists, IoT developers, and power supply designers.
Technical Tip: Buck converters are more efficient than linear regulators (LM7805). Choose one rated for at least 1.5x your required current. Ensure input voltage is at least 2V above output.
Shipping & Delivery
- Free shipping on orders above ₹999 across India
- Dispatched within 1-3 business days
- Expected delivery: 3-7 business days depending on location
- Secure packaging to ensure safe transit of electronic components

Jayesh Iyer (verified owner) –
Superb DC5-40V to 3.7V 1A Buck Step! Efficiency is high and it runs cool even under load.
Lalit Kulkarni (verified owner) –
Good quality DC5-40V to 3.7V 1A Buck Step. Ripple is low. Suitable for most electronics projects.
Amit Kapoor (verified owner) –
This DC5-40V to 3.7V 1A Buck Step is exactly what I needed. Output current capacity is as advertised.
Bhavna Saini (verified owner) –
Outstanding! This DC5-40V to 3.7V 1A Buck Step supplies clean power to my sensitive circuits. No noise at all.
Mayank Chopra (verified owner) –
Great DC5-40V to 3.7V 1A Buck Step. Voltage is rock solid under varying loads. Highly recommended.
Naveen Pillai (verified owner) –
Perfect DC5-40V to 3.7V 1A Buck Step for my portable project. Battery life is better than expected.
Neha Mehta –
Very satisfied with this DC5-40V to 3.7V 1A Buck Step. Using it in my solar project, charges perfectly.
Uday Mittal (verified owner) –
Good DC5-40V to 3.7V 1A Buck Step. Output is stable. Gets slightly warm under full load but nothing concerning.
Anil Hegde (verified owner) –
This DC5-40V to 3.7V 1A Buck Step is exactly what I needed. Output current capacity is as advertised.
Ayush Verma (verified owner) –
Great quality DC5-40V to 3.7V 1A Buck Step. Powering my entire project board with this. Very reliable.
Vinay Naidu (verified owner) –
Very satisfied with this DC5-40V to 3.7V 1A Buck Step. Using it in my solar project, charges perfectly.
Pranav Sethi (verified owner) –
Excellent DC5-40V to 3.7V 1A Buck Step! Output is stable and reliable. Perfect for my electronics project.
Neha Khurana (verified owner) –
Nice DC5-40V to 3.7V 1A Buck Step. Works as expected for my power needs. Good efficiency.
Nakul Choudhury (verified owner) –
This DC5-40V to 3.7V 1A Buck Step is exactly what I needed. Output current capacity is as advertised.
Paras Choudhury –
This DC5-40V to 3.7V 1A Buck Step is reliable and efficient. Running my IoT setup 24/7 with no issues.
Rishabh Malhotra (verified owner) –
Nice DC5-40V to 3.7V 1A Buck Step. Works as expected for my power needs. Good efficiency.
Lalit Parekh (verified owner) –
Very satisfied with this DC5-40V to 3.7V 1A Buck Step. Using it in my solar project, charges perfectly.
Piyush Yadav (verified owner) –
Excellent DC5-40V to 3.7V 1A Buck Step! Output is stable and reliable. Perfect for my electronics project.
Tarun Iyer (verified owner) –
Okay DC5-40V to 3.7V 1A Buck Step. Output is slightly off from specified but within usable range.
Mayank Solanki –
Love this DC5-40V to 3.7V 1A Buck Step. Compact size and excellent performance. Worth the price.
Mahesh Mehta (verified owner) –
Very satisfied with this DC5-40V to 3.7V 1A Buck Step. Using it in my solar project, charges perfectly.
Tanvi Verma (verified owner) –
This DC5-40V to 3.7V 1A Buck Step performs flawlessly. Voltage regulation is precise and consistent.
Rashmi Reddy (verified owner) –
Great quality DC5-40V to 3.7V 1A Buck Step. Powering my entire project board with this. Very reliable.
Divyansh Panchal (verified owner) –
Okay DC5-40V to 3.7V 1A Buck Step. Output is slightly off from specified but within usable range.
Tejas Srivastava –
Nice DC5-40V to 3.7V 1A Buck Step. Works as expected for my power needs. Good efficiency.
Ravi Ghosh (verified owner) –
This DC5-40V to 3.7V 1A Buck Step is reliable and efficient. Running my IoT setup 24/7 with no issues.
Sonali Bose –
This DC5-40V to 3.7V 1A Buck Step is reliable and efficient. Running my IoT setup 24/7 with no issues.
Sumit Grewal (verified owner) –
Good DC5-40V to 3.7V 1A Buck Step. Output is stable. Gets slightly warm under full load but nothing concerning.
Hitesh Krishnan (verified owner) –
Superb DC5-40V to 3.7V 1A Buck Step! Efficiency is high and it runs cool even under load.
Nikhil Yadav (verified owner) –
Superb DC5-40V to 3.7V 1A Buck Step! Efficiency is high and it runs cool even under load.
Aman Jain (verified owner) –
Love this DC5-40V to 3.7V 1A Buck Step. Compact size and excellent performance. Worth the price.