{"product_id":"mini-dc-dc-step-down-power-supply-module-12-24v-to-5v-3a-voltage-regulator-with-short-circuit-protection-green-pcb-board","title":"Mini DC-DC Step Down Power Supply Module 12-24V to 5V 3A Voltage Regulator with Short Circuit Protection Green PCB Board","description":"\u003ch1\u003eMini DC-DC Step Down Module 12-24V to 5V 3A with Short Circuit Protection\u003c\/h1\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Mini DC-DC step down power supply module 12-24V to 5V 3A on green PCB board\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US14\/1076\/2025-09-28\/original-image\/1563307539489.webp\"\u003e\u003c\/div\u003e\u003cp\u003eThis compact DC-DC step down converter provides a reliable way to convert a 12-24V DC input into a stable 5V output at up to 3 amps. Designed for electronics enthusiasts, engineers, and hobbyists, it simplifies powering 5V devices from higher voltage sources such as car batteries, solar panels, or industrial power supplies. The module includes output short-circuit protection for added safety, though prolonged short circuits should be avoided. With a low quiescent current of just 0.85 mA, it is suitable for battery-powered applications where standby power matters. The green PCB board provides a clear layout for easy integration into projects.\u003c\/p\u003e\u003ch2\u003eFeatures and Construction\u003c\/h2\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Mini DC-DC step down power supply module 12-24V to 5V 3A on green PCB board\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US14\/1076\/2025-09-28\/original-image\/2595708532877.webp\"\u003e\u003c\/div\u003e\u003cp\u003eThe module is built around a standard DC-DC buck converter design using surface-mount and through-hole components. Key specifications ensure stable performance under varying load conditions.\u003c\/p\u003e\u003ch3\u003eElectrical Performance\u003c\/h3\u003e\u003cp\u003eThe module delivers a load adjustment rate of ±1% and a voltage adjustment rate of ±0.5%, meaning output remains stable even when input voltage or load current changes. Dynamic response speed is rated at 5% for a 200 microsecond transient, making it suitable for powering microcontrollers and sensors that require quick voltage recovery.\u003c\/p\u003e\u003ch3\u003eThermal and Current Handling\u003c\/h3\u003e\u003cp\u003eAt full load of 3A, the module experiences a temperature rise of 40°C above ambient. This is within typical safe operating limits for such converters. The quiescent current of 0.85 mA helps minimise power drain when the module is idle but still connected to the input supply.\u003c\/p\u003e\u003ch3\u003eProtection Features\u003c\/h3\u003e\u003cp\u003eOutput short-circuit protection is included to prevent damage if the output is accidentally shorted. However, the manufacturer advises not to leave the module in a shorted condition for extended periods. Note that input reverse connection protection is not built in, so an external protection diode is recommended when reverse polarity is a risk.\u003c\/p\u003e\u003ch2\u003eUses and Placement\u003c\/h2\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Mini DC-DC step down power supply module 12-24V to 5V 3A on green PCB board\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US14\/1076\/2025-09-28\/original-image\/2957494825671.webp\"\u003e\u003c\/div\u003e\u003cp\u003eThis step down module is versatile for powering 5V circuits from higher voltage sources commonly found in vehicles, workshops, and DIY electronics.\u003c\/p\u003e\u003ch3\u003eAutomotive and 12V Systems\u003c\/h3\u003e\u003cp\u003eIn a vehicle with a 12V electrical system, this module can power a 5V USB port, a Raspberry Pi, an Arduino, or other 5V devices. It handles the voltage drop efficiently and provides a regulated output regardless of engine load changes.\u003c\/p\u003e\u003ch3\u003eBattery-Powered Projects\u003c\/h3\u003e\u003cp\u003eFor portable projects using 12V or 24V battery packs, the low quiescent current helps preserve battery life when the load is off or in standby. The module can be wired directly to the battery terminals through appropriate fusing.\u003c\/p\u003e\u003ch3\u003eIndustrial and Solar Applications\u003c\/h3\u003e\u003cp\u003eIn solar power setups or industrial control panels that provide 24V DC, this module offers a compact way to derive a 5V rail for sensors, displays, or logic circuits without needing multiple power supplies.\u003c\/p\u003e\u003ch2\u003eBenefits and Buying Value\u003c\/h2\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Mini DC-DC step down power supply module 12-24V to 5V 3A on green PCB board\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US14\/1076\/2025-09-28\/original-image\/3047958858166.webp\"\u003e\u003c\/div\u003e\u003cp\u003eThis module provides a cost-effective and space-saving solution for voltage conversion in a wide range of projects.\u003c\/p\u003e\u003ch3\u003eEase of Integration\u003c\/h3\u003e\u003cp\u003eThe small footprint and clearly marked input\/output terminals make it simple to solder wires or connect to a breadboard. No external components are required for basic operation beyond the input power source and load.\u003c\/p\u003e\u003ch3\u003eReliability and Safety\u003c\/h3\u003e\u003cp\u003eWith built-in short-circuit protection and stable regulation, the module reduces the risk of damaging downstream electronics. The 40°C temperature rise at full load indicates adequate thermal design for continuous duty under typical conditions.\u003c\/p\u003e\u003ch3\u003eWhy Choose This Product\u003c\/h3\u003e\u003cp\u003eFor anyone needing to step down a 12-24V supply to 5V at up to 3A, this module offers a straightforward, tested solution with clear performance specs. Its low standby current and protection features make it a practical choice for both prototypes and permanent installations.\u003c\/p\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Mini DC-DC step down power supply module 12-24V to 5V 3A on green PCB board\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US14\/1076\/2025-09-28\/original-image\/524640807417.webp\"\u003e\u003c\/div\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Mini DC-DC step down power supply module 12-24V to 5V 3A on green PCB board\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US14\/1076\/2025-09-28\/original-image\/658227800643.webp\"\u003e\u003c\/div\u003e","brand":"5ewxib-i4","offers":[{"title":"Green","offer_id":55083326832977,"sku":"CJJSBGBG00499-Green","price":5.75,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1040\/8548\/7953\/files\/3047958858166.webp?v=1790420390","url":"https:\/\/avelmere.com\/products\/mini-dc-dc-step-down-power-supply-module-12-24v-to-5v-3a-voltage-regulator-with-short-circuit-protection-green-pcb-board","provider":"Avelmere.com","version":"1.0","type":"link"}