

This mini DC-DC step-down voltage converter module supports 5-12 voltage input and 3.3V output with input polarity reverse protection and output overvoltage protection, short circuit protection. Featured By RoboticsBD.
It adopts synchronous rectification technology to ensure ultra-high power conversion of up to 97.5% to take full use of your input power.
Product Images are shown for illustrative purposes only and may differ from the actual product.
Note: PCB might be different from the picture as per stock
General Specification | |
Input Voltage | 5-12V |
Input Mode | Soldering |
Output Voltage | 3V |
Maximum Output Current | 3A |
Maximum Conversion Efficiency | 97.5% |
Full load temperature | 30 °C |
Switching Frequency | 500KHz |
Voltage Regulation | ±0.5% |
Dynamic Response Speed | 5% 200uS |
Shipment Weight | 0.014 kg |
Shipment Dimensions | 4 × 3 × 1 cm |
Please allow 5% measuring deviation due to manual measurement.
1 x DC-DC 3A 5V-12V 24V to 3.3V Step-down Power Supply Module
The latest price of DC-DC 3A Buck Step-down Power Supply Module 5V-12V to 3.3V Fixed Output in Bangladesh is BDT 160 You can buy the DC-DC 3A Buck Step-down Power Supply Module 5V-12V to 3.3V Fixed Output at best price from our RoboticsBD or visit RoboticsBD Office.
Please note that the product information provided on our website may not be entirely accurate as it is collected from various sources on the web. While we strive to provide the most up-to-date information possible, we cannot guarantee its accuracy. We recommend that you always read the product labels, warnings, and directions before using any product. |
Product Images are shown for illustrative purposes only and may differ from the actual product. |
Reference: RBD-1524
Input Voltage(VDC): 4 ~ 40. Output Voltage(VDC): 1.3 ~ 37. Output Current: 2A Rated, ( 3A maximum with heat sink). Switching Frequency: 150 kHz. Input reverse polarity protection. Built-in output short protection function.
Reference: RBD-1545
Input voltage 9~40V Output: 5V Maximum output current 2A Efficiency: 76-90% Material: electronic component
Reference: RBD-1646
Input Voltage: 220VAC Output Voltage: 5 VDC. Output Power: 3.5W. Output overload and short circuit protection.
Reference: RBD-1705
3A DC-DC Buck Step-down Converter Constant Voltage 5V Fixed Output Module
Reference: RBD-1764
High Power DC-DC Step Down Module Input Voltage: 5-40V DC Output Voltage: 1.2-36V DC Efficiency: 95% Maximum Power: 200W
Reference: RBD-1769
Input Voltage: 4.5V – 28V Output Voltage: 0.8V – 20V Output Voltage Adjustment: On-board potentiometer Output Current: 1.8A (typical), 3.0A (max). Ceramic Capacitor Stable Internal Soft-Start Internally Set Current Limit without a Current Sensing Resistor
Reference: RBD-1855
Input voltage: 3-40V Output voltage: 1.5-35V(Adjustable) Output current: Rated current is 2A, maximum 3A Switching Frequency: 150KHz Operating temperature:Industrial grade (-40 to +85 ) Conversion efficiency: 92%(highest)
Reference: RBD-1953
Input Voltage:DC 4.5-24V Module Size: 10 x 20 mm Adjustable Range:0.8-17V,fixed voltage (1.8V 2.5V 3.3V 5V 9V 12V) Output Current:3A (max),actual testing input 12V output 1.5A Transform Efficiency:97.5%(max) (6.5 to 5V 0.7A) Switch Frequency:500KHz Output Ripple Wave:20mV (12V to 5V 3A) 20m band width
Reference: RBD-1954
Maximum Output Current: 3A MAX Conversion efficiency: can up to 97.5% Switch frequency: 500KHz Operating temperature: Industrial grade (-40 ° to + 85 °) Improve conversion efficiency
Reference: RBD-1956
Maximum Output Current: 3A MAX Conversion efficiency: can up to 97.5% Switch frequency: 500KHz Operating temperature: Industrial grade (-40 ° to + 85 °) Improve conversion efficiency
Reference: RBD-0282
Specifications: - 3.3V and 5V dual power output- 3.3V and 5V IO compatible- USB2.0 protocol- BitBang mode ready- Easily connected to PC via mini USB cable- Support XBee-setting with software X-CTU
Reference: RBD-1855
Input voltage: 3-40V Output voltage: 1.5-35V(Adjustable) Output current: Rated current is 2A, maximum 3A Switching Frequency: 150KHz Operating temperature:Industrial grade (-40 to +85 ) Conversion efficiency: 92%(highest)
Reference: RBD-1535
Multiple Outputs: 5V+12V+12V Constant DC output, long backup time up to 6 hours Intelligent circuit design with over-charging, over-discharging and short circuit protections Suitable for 95% DC/USB digital products, such as: modem, router, CCTV camera, mobile phone etc.
Reference: RBD-2173
High current 3A charging board for Type-C USB input Adjustable charging current through resistance adjustment Optional cut-off voltage of 4.2V or 4.35V Efficient working effects with a polymer ternary lithium battery Note: No power indicator or battery protection function included
Reference: RBD-1930
Suitable for DIY & Hobby Kits, Routers, LED Strip Driver, and Home Appliances. Rated Input AC Voltage 100v-240v It comes with a 1 meter long 24 AWG cable Stabilized DC Output with Low Ripples & Interference Short Circuit & Overload Protection High Efficiency & Low Energy Consumption RoHS and BIS compliance Approved. Note: Adapter only....
Reference: RBD-1421
3S 11.1V 12.6V 20A 18650 lithium battery protection board (comes with recovery function-AUTO Recovery). Application: Nominal voltage of 3.6V, 3.7V lithium battery (including 18650.26650, a polymer lithium battery). Continuous discharge current (upper limit): 20A (if the cooling environment is not good, please reduce the load current use). Continuous...
Reference: RBD-1954
Maximum Output Current: 3A MAX Conversion efficiency: can up to 97.5% Switch frequency: 500KHz Operating temperature: Industrial grade (-40 ° to + 85 °) Improve conversion efficiency
Reference: RBD-1524
Input Voltage(VDC): 4 ~ 40. Output Voltage(VDC): 1.3 ~ 37. Output Current: 2A Rated, ( 3A maximum with heat sink). Switching Frequency: 150 kHz. Input reverse polarity protection. Built-in output short protection function.
Reference: RBD-0919
Dimension: 25 x 19 x 10 (LxWxH)mm. Input interface: micro USB. Current Protection: Yes Charging mode: Linear charging. Current: 1A adjustable. Charge precision: 1.5%. Input voltage: 4.5V-5.5V. Full charge voltage: 4.2V.
Reference: RBD-1785
1. USB3.0 Type A Female ( 9pin, B type, female connector ) 2. Base Material: FR4. 3. Board Thickness: 1.6mm. 4. Size: 28 x 25 mm .
Reference: RBD-1876
Input Voltage (V): 100 ~ 280 VAC @50 ~ 60Hz. Input current (mA): 100. Output Power: 12V 1.8. Input Plug: 2-Pin USA type. Output Plug: 5.5mm DC plug. Model: HS 121800 This adapter is available in two colors, and the color will be shipped randomly.
Reference: RBD-1915
Input voltage range : 3-34V DC Output voltage range : 4-35v DC adjustable Output current:3A Voltmeter range:0 to 40V,error +-0.1v Multiple output regulator. One button to switch input and output voltage display. Power-down memory function. Press the button for 3 seconds can turn OFF/ON the LED display.
Reference: RBD-1690
ON/OFF switch button on the power adapter. Very convenient for use. 5V 3A standard power supply for Raspberry Pi 4 Model B. There is CE certification for the power adapter. Best Adapter for Raspberry Pi 4
Reference: RBD-1655
Input Voltage (V): 100 ~ 270 VAC @50 ~ 60Hz. Input current (mA): 100. Output Power: 5V 4A. Load regulation (%): ±5. Input Plug: 2-Pin US type. Output Plug: DC Jack 5.5mm.
Reference: RBD-1786
1. USB Type C Female ( 13pin, C type, female connector ) 2. Base Material: FR4. 3. Board Thickness: 1.6mm. 4. Size: 40 x 25 mm .
Reference: RBD-1769
Input Voltage: 4.5V – 28V Output Voltage: 0.8V – 20V Output Voltage Adjustment: On-board potentiometer Output Current: 1.8A (typical), 3.0A (max). Ceramic Capacitor Stable Internal Soft-Start Internally Set Current Limit without a Current Sensing Resistor
Reference: RBD-2208
2x 18650 Lithium Battery Shield V8 Mobile Power Expansion Board Module 5V/3A 3V/1A Micro USB for Arduino ESP32 ESP8266 Output port: USB or expansion port Output parameter 5V / 3A or 3.3V / 1A. Conversion efficiency up to 95% Input port: MicroUSB
Reference: RBD-2121
Suitable for Arduino, DIY & Hobby Kits, and 6V servos and motor Rated Input AC Voltage 100v-240v It comes with a 1 meter long cable Stabilized DC Output with Low Ripples & Interference Short Circuit & Overload Protection High Efficiency & Low Energy Consumption RoHS and BIS compliance Approved.
Reference: RBD-1780
1. MINI USB ( 5pin, B type, female connector ) 2. Base Material: FR4. 3. Board Thickness: 1.6mm. 4. Size: 20 x 17.5 mm .
Reference: RBD-2150
Type: Voltage Regulator Operating Temperature: -40-+85 Supply Voltage: 60v Dissipation Power: 10A Package: SMD
Reference: RBD-2108
Multiple Outputs: 5V+9V+12V Constant DC output, long backup time up to 6 hours Intelligent circuit design with over-charging, over-discharging and short circuit protections Suitable for 95% DC/USB digital products, such as: modem, router, CCTV camera, mobile phone etc.
Reference: RBD-1754
It’s efficient up to 93% It can source a good amount of current The maximum output current: 2A Input voltage: 2V-24V DC The maximum output voltage: 5V-28V DC
Reference: RBD-1781
1. Micro USB ( 5pin, B type, female connector ) 2. Base Material: FR4. 3. Board Thickness: 1.6mm. 4. Size: 16 x 14 mm .
Reference: RBD-1562
Model: DP50V5A Input voltage range: 6.00-55.00V Output voltage range: 0.00-50.00V Output current: 0.000-5.000A Output power range: 00.00-250.0W
Reference: RBD-1723
Model: XKT-412. Input Voltage: 12V. Output Voltage: 5V. Operating Current: 1.2-2 A. Receive Coil: 3mm, the receiver output 5V / 1A current Normal Use Distance: 2 ~ 10mm Operating Current: 1.2-2 A.
Reference: RBD-0395
Input voltage range: 4V-38V DC Output voltage range: 1.25V-36V DC adjustable. Output current: 0-5A. Output power: 75W. High efficiency up to 96% The built-in thermal shutdown function Built-in current limit function In-Built output short protection function. RoboticsBD
Reference: RBD-1957
Input Voltage: 12V Connector: 5.5mm DC Jack Output power on/off switch Two-row multiple pin outputs, easy to use and connect Outputs 3.3V DC at 800mA maximum current Outputs 5.0V DC at 800mA maximum current Outputs 12V DC (the 12V output is directly connected to the input, i.e. with 12VDC input, this output will be 12VDC; with 9VDC input, this output will...
Reference: RBD-0730
The performance is much higher than LM2577. Non-isolated Boost converter. It has a non-synchronous rectifier. Low ultra wide input voltage 3 v ~ 32 v, the best is 5 ~ 32 v working voltage range; Low ultra wide output voltage 5 v ~ 35 v;
Reference: RBD-1702
Very convenient for use. 5V 1.5A standard power supply for Raspberry Pi 4 Model B. There is CE certification for the power adapter. Best Adapter for Raspberry Pi 4
Reference: RBD-1309
Input Voltage (V): 100 ~ 280 VAC @50 ~ 60Hz. Input current (mA): 100. Output Power: 5V 3A. Load regulation (%): ±5. Input Plug: 2-Pin EU type. Output Plug: Micro USB Plug. Compatible with: Raspberry Pi B+, 2, 2B, 2B+,3 ,3B+, Zero, Zero W. It has a switch so you can easily power off the device without having to unplug it right from the socket.
Reference: RBD-0688
Wide input supply (2.5 V to 12V) Easy to integrate (V+, GND, and Data) The device in deep sleep mode when Data pin is grounded Very small dimension.
Reference: RBD-1560
Support charging and discharging at the same time Large current Small size High efficiency Support short circuit protection
Reference: RBD-0376
Current Sense for each motor. RoboticsBD Heatsink for better performance. Power-On LED indicator. Double H bridge Drive Chip: L298N. Operating Voltage(VDC): 5~35 Peak Current (A): 2 Continuous Current (A): 0-36mA No. of Channels: 2 Over-Current Protection (A): Yes Thermal Protection: Yes
Reference: RBD-1954
Maximum Output Current: 3A MAX Conversion efficiency: can up to 97.5% Switch frequency: 500KHz Operating temperature: Industrial grade (-40 ° to + 85 °) Improve conversion efficiency
Reference: RBD-1749
2 in 1 Type C USB Tester Color Screen LCD Digital Multimeter, Voltage Current Detector USB Cable Charger Indicator DC3.6-30V/0-5.1A
Reference: RBD-1822
Input interface: Type C Current Protection: Yes Charging mode: Linear charging. Current: 1A adjustable. Charge precision: 1.5%. Input voltage: 4.5V-5.5V. Full charge voltage: 4.2V.
Reference: RBD-0383
Wide Supply Range: 2.0v To 5.5v Low Current Consumption Continuous Mode: Only 150µa Single-shot Auto Shut-down Programmable Data Rate: 8SPS to 860SPS It has Internal low-drift voltage reference