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Hello viewers, in this video i will show you how to increase output power of a DC to DC buck converter module using two IRFP 740 power MOSFETs and you can add as many power MOSFETS as you want as per your output current requirement. As an example, I have used 2 IRFP740 Power MOSFETs in this video to demonstrate how to design the circuit and also showed the output power of this circuit using a multimeter and a 12v 50W filament bulb. LM2596 DC-DC Buck module Input voltage :4V ~ 35V The output voltage : 1.23V ~ 30V Output Current :3A( Max) Conversion efficiency:92%( MAX ) Output ripple: Less than 30mV Switching frequency: 150KHz Working temperature: -forty Five~ +85 Size :43mm * 21mm * 14mm(Long*Width*Hight) LM2596S DC-DC step-down power module 3A adjustable step-down module LM2576 super regulator Dense vias, heat and strong!Increase in the input and output terminals respectively X7R high-Q high frequency bypass capacitor, electromagnetic compatibility super! Input voltage range: DC 3.2V to 35V (input voltage must be higher than the voltage output to 1.5V or more can not be boosted.) Output Voltage Range: 1.25V to 30V DC voltage is continuously adjustable, high efficiency (maximum 92%) of the maximum output current of 3A. Found 12V input, load regulation 5V 1A output current is lower than 1% Note: The input and output can not be reversed, reverse might burn chips; This is a step-down module, the input voltage is higher than the required output voltage; Output 2A or less long period of time without additional heat sink output current is greater than 2.5A (or output power greater than 10W) to work long hours please add heat sink. Electrical parameters: Input: DC 3.2V to 35V (input voltage must be more than the output voltage can not be higher than boost 1.25v.) Output: 1.25V to 30V DC voltage is continuously adjustable, high efficiency and maximum output current of 3A. Features: All solid capacitors using SANYO, 36u thick circuit boards, high-Q inductors with high power output LED indicator Size: 41 (L) * 20 (W) * 14 (H) mm (including potentiometers) Taobao minimum with locating hole with LED indicator DC-DC Instructions: Access to power (3-35V), adjust the blue potentiometer knob (clockwise rotation generally boost, buck counterclockwise rotation) and with a multimeter to monitor the output voltage reaches the required voltage. Wiring: 1. welding, welded directly to the power line input (output) port; 2. solder pins, or pins can be inserted through the lead insertion use in tunnel plate; soldered directly to the PCB after another or add pins. Application examples: 1. The vehicle power supply, only need to enter this module termination point the car cigarette power supply, you can adjust the potentiometer, the output voltage can be adjusted in 1.25-30V, for your phone, MP3, MP4, PSP charging many devices powered, very simple and convenient. 2. The power to the electronic device when the device needs 3-30V power supply voltage corresponding to the hand while using this module you can easily put the voltage to the desired voltage and solve problems. 3. The system voltage test can be used to make this project a variety of debugging module voltage test system operating voltage range, very easy and convenient. IRFP740 POWER MOSFET FEATURES •Dynamic dV/dt rating •Repetitive avalanche rated •Fast switching •Ease of paralleling •Simple drive requirements DESCRIPTION Third generation power MOSFETs from Vishay provide the designer with the best combination of fast switching, ruggedized device design, low on-resistance and cost-effectiveness. The TO-220AB package is universally preferred for all commercial-industrial applications at power dissipation levels to approximately 50 W. The low thermal resistance and low package cost of the TO-220AB contribute to its wide acceptance throughout the industry. If you have enjoyed this video, then please subscribe to my channel where i will be uploading more interesting videos related to electronics and Radio link. Also watch my other interesting videos on YouTube: 1. How to make 12v Auto Cut Off Battery Charger | Power Supply | Charge Controller | Boost Converter https://www.youtube.com/watch?v=-OKDiPGCJI0 2. How to teardown a 12v battery at home | DIY | Homemade | 4K video https://www.youtube.com/watch?v=LBwINbcmKbo 3. How to Use a Battery Charge controller circuit for 12v battery charge | multimeter https://www.youtube.com/watch?v=aun0GZj1mKc DC to DC Buck Converter DC-DC Buck Converter Module Step down module LM2596 IRFP740 Power MOSFET 20 AMPERE