

This mini DC-DC step-down voltage converter module supports 5-12 voltage input and 9V output with input polarity reverse protection and output overvoltage protection, short circuit protection.
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.
General Specification | |
Input Voltage | 5-12V |
Input Mode | Soldering |
Output Voltage | 9V |
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 to 5V Step-down Power Supply Module
The latest price of DC-DC 3A Buck Step-down Power Supply Module 5V-12V to 9V Fixed Output in Bangladesh is BDT 160 You can buy the DC-DC 3A Buck Step-down Power Supply Module 5V-12V to 9V 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-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-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-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-1955
Maximum Output Current: 3.3A MAX Conversion efficiency: can up to 97.5% Switch frequency: 500KHz Operating temperature: Industrial grade (-40 ° to + 85 °) Improve conversion efficiency
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-1853
Suitable for Arduino, DIY & Hobby Kits, and 5V 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.
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-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-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-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-1874
Suitable for DIY & Hobby Kits, Routers, 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.
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-1771
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-1892
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-1784
1. USB2.0 Type A Female ( 4pin, A type, female connector ) 2. Base Material: FR4. 3. Board Thickness: 1.6mm. 4. Size: 22 x 17 mm .
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-1414
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-2150
Type: Voltage Regulator Operating Temperature: -40-+85 Supply Voltage: 60v Dissipation Power: 10A Package: SMD
Reference: RBD-1564
High voltage resistant terminal. Support solar charging. Support undervoltage protection. Support short circuit protection.
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-2272
Input voltage range: 6V to 40V Efficiency up to 96%, measured at 20A, converting 24V to 12V Designed with 75V/80A large current dual MOS tube Uses high frequency low resistance electrolytic capacitor for stable output Convenient wiring with large current 30A screw terminals
Reference: RBD-1560
Support charging and discharging at the same time Large current Small size High efficiency Support short circuit protection
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-0623
Input voltage range: 6-26V Output voltage: 5.2V (consider the charge line loss, the output is 5.2V or so, the load side is about 5V) Output current: 3A (in the absence of a heat sink device, the stable output current is 2A) Two output Port can charge two devices simultaneously. RoboticsBD
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-1067
Length: 1.0M Diameter: 3 mm. Color: Black Material: PE/PVC/ABS Micro-USB
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-0110
রাস্পবেরি পাই এর জন্য একটি স্ট্যাবল পাওয়ার সাপ্লাই এর প্রয়োজনীয়তা অনেক। আমরা অনেক পাওয়ার সাপ্লাই টেস্ট করে এর এই পাওয়ার সাপ্লাইটির ক্যাপাসিটি সন্তোষজনক পেয়েছি। যদিও মেনশন করা 5V,2.3A. আমরা আমাদের টেস্ট এ 5V, 1.7Amp+ কনস্ট্যান্ট কারেন্ট পেয়েছি। যদি আপনার খুব বেশি পেরিফেরাল না দরকার হয় তবে এটি ব্যবহার করতে পারেন। এছাড়া আমাদের কাছে অরজিনাল রাস্পবেরি পাই...
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-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-0388
Input voltage : 4.5V ~ 5.5V. Input Interface: Micro USB port. Charging method: linear charge. A full charge voltage: 4.2V. RoboticsBD Power: 4.2 w. Charging accuracy: 1.5%. Operating Temperature: -10 to +85ºC Charging indicator: Blue LED charging, Red LED full Check out New Product TP4056 Lithium Battery Charger Module With Protection Dual Functions
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-0406
Input voltage: 4.5-35V, Output voltage: (3-35V) continuously adjustable (recommended load debugging). Minimum pressure: 1.5V Output current: rated current 2A, 3A maximum Output Power: 15W maximum. RoboticsBD
Reference: RBD-0929
Weight : 97 gm Voltage: 11.1V Capacity: 1500mAh Cell Type: Li-polymer Configurations: 3S Continuous Discharge Rate: 25C Max Burst Rate: 90C Discharge(Output) Lead: T Plug Connector Charging(Balancing) Lead: JST-XHR Wire Length: 100mm Operating Temperature Range: -20℃to 60℃ PVC color: Silver and Black
Reference: RBD-0345
802.11 b/g/n Standards Wi-Fi Direct (P2P), soft-AP 1MB Flash Memory Integrated low power 32-bit CPU could be used as an application processor A-MPDU & A-MSDU aggregation & 0.4ms guard interval Wake up and transmit packets in < 2ms Standby power consumption of < 1.0mW (DTIM3) RoboticsBD
Reference: RBD-0032
USB Driver: CH340 Operating Voltage (logic level): 5V With Mini USB 8 analog inputs ports: A0 ~ A7 14 Digital input / output ports: TX, RX, D2 ~ D13 1 pair of TTL level serial transceiver ports RX / TX Using Atmel Atmega328P-AU MCU There is a bootloader installed in it Standard 0.1” spacing DIP (breadboard friendly). Manual reset switch. Please select...
Reference: RBD-1542
Model: A2212/10T Motor KV: 1400 Max. Efficiency Current: 6-12A No Load Current: 0.7A @10V Current Capacity: 16A/60S LiPO Batteries: 2S-3S
Reference: RBD-2106
40P color jumper wires Length: 300mm Weight: 45 gm Compatible with 2.54mm spacing pin headers High quality and in good working condition Durable and reusable Easy to install and use
Reference: RBD-1775
Wago Compatible 2 Port, 3 Port, 5 Port, 221 Splicing Connector, Lever-Nut Assortment Pocket Pack for All Wire 12-24 AWG You will get the 1 pcs of the model of your choice. A- 2 Port. B- 3 Port. C- 5 Port. Please Choose Size Below
Reference: RBD-1705
3A DC-DC Buck Step-down Converter Constant Voltage 5V Fixed Output Module
Reference: RBD-1349
For Standard LCD 16x2. Press here.For Standard LCD 16x2 with Male Header. Press hereFor Standard LCD 16x2 with Female Header. Press hereFor Standard LCD 16x2 with I2C adapter board soldered. Press here.For Standard LCD 16x2 with White Background. Press here.For Standard LCD 16x2 with Blue Background. Press here. Model: LCD1602 Interface: I2C Interface...