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B018U19MN6 Price: $9.29 Score: 1000.000 Category: Electronics Rating: 3.4 Votes: 24 Find similar products 5pcs LM317 DC-DC Converter Buck Circuit Board Adjustable Linear Regulator. Description: Output Current: 1.5A (min), 2.2A (type) Input-output voltage differential (VI-VO): 40Vdc (max) Adjustable output voltage range: 1.2 ~ 37V Operating temperature: -55? to +150? Current output: 1.5A Voltage Input: 4.2 ~ 40 V Characteristic frequency: 100 (MHz) Module size: 35.6 (mm) x16.8 (mm) Package included: 5 pcs LM317 DC-DC Converter Buck Circuit Board Adjustable Linear Regulator.	B0B63C1458 Price: $22.99 Score: 8.850 Category: Electronics Rating: 4.5 Votes: 31 Find similar products BULVACK 20-Pack LM2596 DC to DC High Efficiency Voltage Regulator 3.0-40V to 1.5-35V Buck Converter DIY Power Supply Step-Down Module. Electrical Parameters: Input Voltage: DC 3 -40 V Output Voltage: DC 1.5 - 35 V Output Current: 3A(MAX) It is recommended to use under 2A (NOTE: When using high power, add a heat sink to the power supply chip) Load adjust ratio: +/-0.5% Voltage adjust ratio: +/-2.5% Transferring efficiency: 92% Max(the higher output voltage, the higher efficiency) ON/OFF frequency: 150KHz Output ripple: 200mV Module feature: buck and non-isolated Rectification method: non-synchronous rectification Function: 1.Built in over-temperature protection function 2.Built in current limit function 3.Built in output short-circuit protection function How to use： 1.Access the power supply ( 3 -40 V), the power indicator light, the module is working properly. 2.Adjust the blue potentiometer knob (usually clockwise rotation boost, counterclockwise rotation Step-down) and monitor the output voltage with a multimeter to reach the required voltage. 3.A customer reflects the module output voltage can not be adjusted, always equal to the input voltage. When you encounter this problem, please first counterclockwise rotation potentiometer 10 laps above, and then use the module can be normal adjustment of the voltage. Package includes: 20 X LM2596 board Note: This is a buck module. The input voltage must be higher than the output voltage. The input and output interface can not be reversed. It is recommended to use the current within 2.5A when working for a long time. If it exceeds 2A, you need to add a heat sink (output above 10W).
B08214MRSW Price: $7.39 Score: 8.696 Category: Electronics Rating: 4.3 Votes: 18 Find similar products DAOKI 10Pcs 5V to 3.3V Step-Down Power Supply Buck Module DC 4.75V-12V to 3.3V Voltage Regulator AMS1117-3.3 LDO 800MA Buck Module Soldering Kit. .	B00OJUL80S Availability: Currently unavailable Score: 8.621 Category: Electronics Rating: 3.1 Votes: 3 Find similar products SMAKN LM317 DC-DC Linear Converter Buck Step Down Low Ripple Power Supply Module. Output Current: 1.5A (min), 2.2A (type) Input-output voltage differential (VI-VO): 40Vdc (max) Adjustable output voltage range: 1.2 ~ 37V Operating temperature: -55°C to +150°C Current output: 1.5A Voltage Input: 4.2 ~ 40 V Characteristic frequency: 100 (MHz) Module size: 35.6 (mm) x16.8 (mm) Package included: 1 pcs LM317 DC-DC Converter Buck Circuit Board Adjustable Linear Regulator.
B088FWTGKH Availability: Currently unavailable Score: 8.547 Category: Electronics Rating: 3.5 Votes: 16 Find similar products Teyleten Robot 10pcs 3 Pins AMS1117-3.3 DC 4.75V - 12V to 3.3V Step Down Power Supply Buck Voltage Regulator 800mA Module. .	B092479721 Price: $18.99 Score: 8.403 Category: Electronics Rating: 4.1 Votes: 226 Find similar products ACEIRMC XL6019 5A High Power Current DC to DC Step-up 5V 6V 12V 24V 3-35V to 5-40V XL6019 Converter Adjustable Voltage Regulator Power Modules Boost Module Booster (10pcs). Description： MS + -> Positive; IN ---> Negative; OUT + -> Positive; OUT ---> Negative Input Voltage: DC 3-35 V(40V MAX) Output Voltage: DC 5-40V ( 45V MAX Adjustable) Input Current: 5A (MAX) Conversion efficiency: 94% (MAX) Output ripple: 100mv (MAX) Switching Frequency: 220 kHZ Working Temperature: Industrial (-40 ° C to + 85 ° C) Voltage regulation: ± 0.5% Load regulation: ± 0.5% Size: Approx 50 * 28 * 13mm (L * W * H) Instructions: Input and Output must be connected correctly Conventional Constant Voltage Output BOOST Fully Integrated Solutions, Integrated MOSFET, Fewer External Components, Smaller Cos System Built-in over temperature protection, full set overcurrent protection circuit reliability, high reliability TO263-5L standard package, suitable for 30W boost inside applications. Power (3-35 V), power indicator light, module is working properly. Adjust the blue knob of the potentiometer (counterclockwise general impulse, buck clockwise rotation) and with a multimeter to monitor the output voltage reaches the required voltage NOTE: Long hours working current is recommended for use at less than 2.5 M, while adding heatsink mass (10 W output above); Because it is boosting the module, in order to ensure stable output, please keep the minimum differential 1.5 V. Package： 3 * XL6019 5A Current DC to DC Adjustable Boost Power Supply Board Module.
B07X7DZNRG Price: $7.79 Score: 8.264 Category: Electronics Rating: 3.2 Votes: 6 Find similar products HiLetgo 2pcs LM317 DC Linear Voltage Converter Module Voltage Regulator Board Speed Control Module DC 3.25-15V. Input voltage: DC 3.25-15V Output voltage: DC1.25V-13V Output current: 5-1500MA Size: 33.5 * 30.5 * 24mm (excluding protruding knob) Install Aperture: M3 * 4 Input terminal: XH-2.54-2P Output terminal: XH-2.54-2P KF2510-3P Chip: overheating, over-current, short circuit protection Ambient temperature: -10 ~ 85 °C Storage temperature: -65 ~ 150 °C Package Included: 2* LM317 DC Linear Voltage Regulator Converter Module.	B06XZ49ZS9 Price: $7.99 Score: 8.264 Category: Electronics Rating: 5 Votes: 2 Find similar products 5 PCS Buck Converter, Icstation LM2596S DC-DC Voltage Regulator Step Down Converter Module Power Supply 4-35V to 1.25-35V 3A. .
B07S21VBSZ Availability: Currently unavailable Score: 8.197 Category: Electronics Rating: 4.3 Votes: 6 Find similar products Maxmoral 10PCS AMS1117-3.3 DC-DC Voltage Regulator Power Supply Step Down Module 3 Pins 3.3V DC Buck Converter. Dimensions: 8.6mm x 12.33mm Output voltage: 3.3V Output current: 800 mAh (load current may not exceed 800 mAh) Operating temperature range: -40 to 125 centigrade Storage temperature: - 65~150 centigrade Application: Arduino UNO MEGA2560; MSP430 Development Board; 3.3V Low power consumption MCU; FPGA/CPLD PLD Programmable Logic Systems; ARM7 ARM9 ARM11 STM32.	B07CZW83TH Availability: Currently unavailable Score: 8.000 Category: Electronics Rating: 3.2 Votes: 13 Find similar products DZS Elec 6pcs Mini DC Buck Converter Adjustable Power Step-Down Module 4.75V-23V to 1V-17V DIY Portable Power Communication Equipment Aero Model Power Supply. Specification: Type: Non-Isolated step-down module Rectification Mode: Synchronous Rectification Input Voltage: 4.75V-23V Output Voltage: 1.0V-17V Output Current: Peak value 3A, 1.8A for long time work Transfer Efficiency: 96% (max) Switching Frequency: 340KHz Output Ripple: 30mV (no-load) Load Regulation: +/-0.5% Voltage Regulation: +/-2.5% Working Temperature: -40 degree to +85 degree Size: 17x11x3.8mm(LxWxH) Connection Mode: Soldering Input Mode: Soldering Output Mode: Soldering or pin Feature: Integral power inductor and synchronous rectification control chip, smaller size, higher efficiency. Application: DIY portable sourse, vehicle power supply, communication equipment power supply, aero model, all kinds of occasions demanding for size and weight. You can set a multimeter at the output port to adjust voltage synchronously, use screwdriver to adjust potentiometer. It can get accurate voltage by tiny adjustment. Package: 6pcs Mini 360 extra small size DC-DC synchronous rectification step-down buck converter module Attention: These circuit board can adjust current limit, fix 3A current limit. Please make sure this module work in its range before use. Please don't output short circuit, or the circuit board will burn out. When setting parameters, please make sure the output voltage keep stable to avoid possible damage.