300W 10A DC-DC Step-down Buck Converter Adjustable Constant Voltage Module
The 300W 10A DC-DC Step-down Buck Converter Adjustable Constant Voltage Module can be used to get adjustable output voltage ranges from 1.5V to 35V. The module provides a wide range of current output up to 10 A. With heat sink mounted it can easily manage to run high power application continuously (provided that for continuous high power output you need to use a cooling fan on the heat sink).
The Module is made from a dedicated benchmark IC and high-precision current sensing resistor, proving a more stable constant current, (when 20C to 100C constant current 1A, temperature drift less than 1%); and therefore it is particularly most suitable for LED driver applications. The output current of the module can be raised up to 10A(for continuous use it is recommended up to 8A with additional cooling fan).
To enhance the stabilization in output voltage has four high-frequency capacitance which gives the lower output ripple. Double heat sink design provides easy and fast heat dissipation. MOS Schottky diode independent heat sink, which heat dissipation is good, and wont affect each other. Also using large size Sendust Core and double pure copper wiring, improve working efficiency, reduce fever.
The module has onboard 3296 multiturn potentiometers for high accuracy voltage and current regulation to provide good stability. As voltage and current are adjustable, it gives very easy to use at multiple Application such as battery charging, LED Driver power supply, Vehicle Power Supply, etc which makes the module Multipurpose and hence this module is always in demand from our maker because of its wide range of application and low cost.
Applications:
1. High-power LED driver.
2. Lithium battery(or lead accumulator) charge.
3. Vehicle-mounted power supply.
4. Low voltage system power supply.
5. 6V, 12V, 14V, 24V battery charge.
6. On-board laptop power supply.
7. regulated power supply.
8.Low voltage power supply system.
Note: If the module temperature exceeds 65C, please add a cooling fan, (It be used at room temperature without a fan)
How to do the Module adjustment:
- When the module output voltage cannot be adjusted (the output voltage is always equal to the input voltage) Please adjust the potentiometer counterclockwise 20 laps (20 turns) or more till it works.?
- Turn trimmers CLOCKWISE to INCREASE, ANTICLOCKWISE to DECREASE.
- When adjusting the blue potentiometer, please use a multimeter to monitor the voltage
- The trimmer nearest the voltage output adjusts the output CURRENT (CC)
- The trimmer nearest the voltage input adjusts the output VOLTAGE (CV)
Charger application instructions:
- First, determine the float voltage and charging current required by the battery to be charged (the target battery). The target battery disconnected from the module output, apply a voltage of 7V 32V to the module input, being sure to observe correct polarity.
- Using the CV trimmer, adjust the output voltage to about 5V.
- Switch your multimeter into its 10A current scale and measure the modules short-circuit output current. Turn the CC trimmer to.
- adjust the current to the charging current required by the target battery.
- Using the CV trimmer, adjust the modules output voltage to the float voltage required by the target battery.
- Connect the target battery to the module output, observing correct polarity. Charging of the battery should commence.
Constant current LED Driver Application Instructions:
- First, determine the operating current and maximum operating voltage of the LED you need to drive.
With the CV trimmer, adjust the output voltage to about 5V. - Adjust the current to the operating current of your LED.
- adjust the CV trimmer to make the output voltage reach the maximum LED operating voltage.
- Connect LED, test.
Features:
- Scope: High-power LED constant current driver, rechargeable lithium batteries 4V, 6V, 12V, 14V, 24V battery charging; nickel-cadmium nickel-metal hydride batteries (battery) charging, solar panels, wind generators.
- Output voltage: continuously adjustable (1.25-35V) (applied to the input voltage is higher than the output voltage applications can boost).
- Turn lights Current: current value * (0.1), turn the lamp current and constant value linkage, such as the constant value of 3A.
- Turn the lamp current is set to a constant current of 0.1 times (0.1 x 3A = 0.3A), when the constant 2A, when adjusted to the current value, then turn the lamp current constant current of 0.1 times (0.1 x 2A = 0.2A).
- This version is a fixed 0.1 times (actually turn the lamp current value is probably not very accurate) is full of instructions for charging.
- Minimum pressure: 1V.
- Output Ripple: about the ripple 50mV (without noise) 20M bandwidth (for reference) Input 24V Output 12V 5A measured.
- Operating temperature: -40 to + 85 (please note the actual use of the power tube temperature, the temperature is too high, please enhance heat dissipation).
Specifications:
| Input Supply voltage (V) | 7 ~ 40 |
|---|---|
| Output voltage (V) | continuously adjustable (1.25 ~ 35) |
| Output Current (A) | 4 |
| Conversion efficiency: | 95% |
| Operating frequency (KHz) | 300 |
| No-load current | Typical 20mA |
| Load regulation | ± 1% |
| Voltage Regulation | ± 1% |
| Length (mm): | 65 |
| Width (mm): | 37.2 |
| Height (mm): | 22 |
| Weight (g): | 70 |
Package Includes:
1 x 10A DC-DC Step-down Adjustable Constant Voltage Module.
Technical Specifications
| Current Rating | 10A |
|---|---|
| Power Rating | 300W |
| Interface / Protocol | BLE |
| SKU | AI0907 |
| Weight | 0.06 kg |
| Availability | In Stock |
Applications & Use Cases
The 300W 10A DC-DC Step-down Buck Converter Adjustable Constant Voltage Module 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
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Prateek Solanki (verified owner) –
Superb 300W 10A DC-DC Step-down Buck Converter! Efficiency is high and it runs cool even under load.
Milan Grewal (verified owner) –
Nice 300W 10A DC-DC Step-down Buck Converter. Works as expected for my power needs. Good efficiency.
Rohit Dhillon (verified owner) –
Bought multiple units of this 300W 10A DC-DC Step-down Buck Converter. All consistent quality. Zbotic is reliable.
Bipin Jate (verified owner) –
nice
Darshan Luthra (verified owner) –
Love this 300W 10A DC-DC Step-down Buck Converter. Compact size and excellent performance. Worth the price.
Simran Tiwari (verified owner) –
Very satisfied with this 300W 10A DC-DC Step-down Buck Converter. Using it in my solar project, charges perfectly.
Nitin Rajan (verified owner) –
This 300W 10A DC-DC Step-down Buck Converter is reliable and efficient. Running my IoT setup 24/7 with no issues.
Aditi Das (verified owner) –
This 300W 10A DC-DC Step-down Buck Converter performs flawlessly. Voltage regulation is precise and consistent.
Ramesh D. (verified owner) –
Muin ullah Khan (verified owner) –
SURYA MARKETING CORPORATION (verified owner) –
Ashok Patel (verified owner) –
Aryan Kulkarni (verified owner) –
Great 300W 10A DC-DC Step-down Buck Converter. Voltage is rock solid under varying loads. Highly recommended.
Dhruv Shetty (verified owner) –
Good 300W 10A DC-DC Step-down Buck Converter. Output is stable. Gets slightly warm under full load but nothing concerning.
Zara Saxena –
Excellent 300W 10A DC-DC Step-down Buck Converter! Output is stable and reliable. Perfect for my electronics project.
Milan Tandon (verified owner) –
Outstanding! This 300W 10A DC-DC Step-down Buck Converter supplies clean power to my sensitive circuits. No noise at all.
Vinay Naidu –
This 300W 10A DC-DC Step-down Buck Converter is reliable and efficient. Running my IoT setup 24/7 with no issues.
Satyadeo Kumar Sampara (verified owner) –
Raj Goyal (verified owner) –
Outstanding! This 300W 10A DC-DC Step-down Buck Converter supplies clean power to my sensitive circuits. No noise at all.
Tarun Malhotra (verified owner) –
This 300W 10A DC-DC Step-down Buck Converter is exactly what I needed. Output current capacity is as advertised.
Kunj Bihari Prasad (verified owner) –
Good one nice products
Ishan Ik (verified owner) –
VijayaKumar P (verified owner) –
Heating
Jagadeesh Gajula (verified owner) –
Rohit N. (verified owner) –
Naman Kumar –
Outstanding! This 300W 10A DC-DC Step-down Buck Converter supplies clean power to my sensitive circuits. No noise at all.
Laresh Chaudhari –
raeesmaknojiya829 (verified owner) –
good
dasguptakoushik682 (verified owner) –
please
sachin bhor (verified owner) –
nice
jiban choudhury (verified owner) –
ok
Digambar Satpute (verified owner) –
when deleverd my order
Nitin Kumar (verified owner) –
nice product nice working
rajesh gupta (verified owner) –
SSE TELE KKDE KKDE (verified owner) –
module is working fine. lets see its life and reliablity.
Madhav B. (verified owner) –
Buck converter is good work perfect but PCB quality and basic components like resistor and cap, quality is low but its fine.
Rajesh Mahapatra (verified owner) –
Arup (verified owner) –
Ok
sajad (verified owner) –
nise
Kartik Rajan (verified owner) –
Good 300W 10A DC-DC Step-down Buck Converter. Output is stable. Gets slightly warm under full load but nothing concerning.
Gaurav Pillai (verified owner) –
Excellent 300W 10A DC-DC Step-down Buck Converter! Output is stable and reliable. Perfect for my electronics project.
dharmpalsingh13013 (verified owner) –
nice
VISHNU KORI (verified owner) –
very good service
VISHNU KORI (verified owner) –
very good product
Ayush (verified owner) –
nice product
Ayush (verified owner) –
product is super
VISHNU KORI (verified owner) –
very good