{"product_id":"m3406-adj-1-5mhz-800ma-sync-buck-converter-ic-sot23-5-20pcs","title":"20PCS M3406-ADJ 1.5MHz 800mA Sync Buck Converter IC SOT-23-5","description":"\u003ch2\u003eM3406-ADJ Synchronous Buck Converter Chip – 20-Piece Pack\u003c\/h2\u003e\n\u003cp\u003eGet reliable, high-efficiency DC-DC power conversion with this 20-piece pack of the \u003cstrong\u003eM3406-ADJ Synchronous Buck Converter IC\u003c\/strong\u003e. Operating at \u003cstrong\u003e1.5MHz switching frequency\u003c\/strong\u003e with an \u003cstrong\u003e800mA output current\u003c\/strong\u003e, this compact SOT-23-5 package is ideal for engineers, hobbyists, and electronics professionals who need consistent voltage regulation in tight PCB layouts.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdjustable Output Voltage:\u003c\/strong\u003e The ADJ variant allows flexible output voltage configuration to suit a wide range of circuit designs.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1.5MHz Switching Frequency:\u003c\/strong\u003e High-frequency operation enables the use of smaller external inductors and capacitors, reducing board space.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e800mA Continuous Output Current:\u003c\/strong\u003e Delivers stable power for microcontrollers, sensors, and low-power modules.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSynchronous Buck Topology:\u003c\/strong\u003e Internal synchronous rectification improves conversion efficiency and reduces heat generation compared to diode-based designs.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSOT-23-5 Package:\u003c\/strong\u003e Industry-standard small-outline package for surface-mount applications — easy to solder and space-efficient.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNew Condition:\u003c\/strong\u003e All 20 units are brand new, ensuring consistent performance and reliability.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePack of 20:\u003c\/strong\u003e Great value for prototyping, production runs, or keeping spares on hand.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eM3406-ADJ\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSynchronous Buck Converter (Voltage Regulator)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSwitching Frequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.5MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e800mA\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSOT-23-5\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAdjustable (ADJ)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20 PCS\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eEmbedded systems and microcontroller power supplies\u003c\/li\u003e\n  \u003cli\u003eIoT devices and wireless sensor nodes\u003c\/li\u003e\n  \u003cli\u003ePortable electronics and battery-powered designs\u003c\/li\u003e\n  \u003cli\u003ePCB prototyping and custom power management circuits\u003c\/li\u003e\n  \u003cli\u003eLow-voltage DC-DC conversion stages\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cp\u003eLooking for other electronics tools and accessories? Check out our \u003ca href=\"\/products\/electromagnetic-induction-tester-coil-motherboard-fault-detector\"\u003eElectromagnetic Induction Tester – Coil \u0026amp; Circuit Fault Detector\u003c\/a\u003e or the \u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge – DIY Tool\u003c\/a\u003e for your workshop needs.\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.energystar.gov\/products\" target=\"_blank\" rel=\"noopener\"\u003eENERGY STAR product efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the M3406-ADJ synchronous buck converter IC used for?\u003c\/h4\u003e\n\u003cp\u003eA: The M3406-ADJ is a synchronous step-down (buck) converter integrated circuit used to efficiently convert a higher DC input voltage to a lower, adjustable DC output voltage. It is commonly used in embedded systems, IoT devices, portable electronics, and custom PCB power supply designs requiring up to 800mA of output current.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What does the SOT-23-5 package mean for this IC?\u003c\/h4\u003e\n\u003cp\u003eA: SOT-23-5 refers to the physical package format of the chip — a Small Outline Transistor package with 5 pins. It is a standard surface-mount (SMD) package widely used in compact PCB designs. It is straightforward to hand-solder or reflow-solder onto a PCB, making it suitable for both prototyping and production.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Why is a 1.5MHz switching frequency beneficial in a buck converter?\u003c\/h4\u003e\n\u003cp\u003eA: A higher switching frequency like 1.5MHz allows you to use physically smaller external components — particularly inductors and capacitors — which saves valuable PCB real estate and can reduce overall bill-of-materials cost. It also helps achieve faster transient response in the power supply circuit.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Are all 20 ICs in this pack guaranteed to be new and authentic?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. This listing is for 20 brand-new M3406-ADJ ICs in new condition, ensuring consistent electrical characteristics and reliable performance across all units in the pack.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the M3406-ADJ synchronous buck converter IC used for?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The M3406-ADJ is a synchronous step-down (buck) converter integrated circuit used to efficiently convert a higher DC input voltage to a lower, adjustable DC output voltage. 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