{"product_id":"10pcs-lmr-series-buck-switching-regulator-ic-chips-mixed-models","title":"10pcs LMR Series Buck Regulator IC Chips – Mixed SMD Models","description":"\u003ch2\u003e10-Pack LMR Series DC\/DC Switching Regulator IC Chips\u003c\/h2\u003e\n\u003cp\u003eUpgrade your electronics projects with this convenient 10-piece assortment of LMR series step-down (buck) switching regulator integrated circuits. These high-performance ICs from the popular LMR family are widely used in power management applications across industrial, consumer, and embedded system designs. Whether you're prototyping, repairing, or building from scratch, having a mixed set of these chips on hand keeps your workbench ready for any design challenge.\u003c\/p\u003e\n\n\u003ch3\u003eIncluded Models\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLMR14006XDDCR\u003c\/strong\u003e – 40V, 0.6A synchronous step-down regulator (SOT-23 package)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLMR14203XMKX\/NOPB\u003c\/strong\u003e – 40V, 0.3A step-down regulator (SOT-23 package)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLMR14206XMKX\/NOPB\u003c\/strong\u003e – 40V, 0.6A step-down regulator (SOT-23 package)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLMR12010XMKX\/NOPB\u003c\/strong\u003e – 14V, 1A step-down regulator (SOT-23 package)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLMR14030SDDAR\u003c\/strong\u003e – 40V, 3A synchronous step-down regulator (SOIC package)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLMR14010ADDCR\u003c\/strong\u003e – 40V, 1A step-down regulator (SOT-23 package)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Input Voltage Range:\u003c\/strong\u003e Models supporting up to 40V input for versatile applications\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Efficiency:\u003c\/strong\u003e Synchronous switching topology minimizes energy loss\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact SMD Packages:\u003c\/strong\u003e SOT-23 and SOIC footprints ideal for space-constrained PCB designs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMixed Model Pack:\u003c\/strong\u003e 10 chips across multiple LMR variants — great for labs, repair shops, and makers\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRoHS-Compliant (NOPB variants):\u003c\/strong\u003e Lead-free versions available in this assortment\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow Quiescent Current:\u003c\/strong\u003e Suitable for battery-powered and low-standby-power designs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eIndustrial power supplies and automation controllers\u003c\/li\u003e\n  \u003cli\u003eMicrocontroller and microprocessor supply rails\u003c\/li\u003e\n  \u003cli\u003eIoT devices and embedded system prototyping\u003c\/li\u003e\n  \u003cli\u003eLED driver circuits\u003c\/li\u003e\n  \u003cli\u003eAutomotive and instrumentation electronics\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 pieces (mixed models)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIC Family\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLMR Series Step-Down (Buck) Switching Regulators\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Types\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSOT-23, SOIC\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 40V (model dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.3A – 3A (model dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\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\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cp\u003eLooking for more electronics tools and components? Check out our \u003ca href=\"\/products\/electromagnetic-induction-tester-coil-motherboard-fault-detector\"\u003eElectromagnetic Induction Tester – Coil \u0026amp; Circuit Fault Detector\u003c\/a\u003e for diagnosing circuit boards, or the \u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge\u003c\/a\u003e for your workshop toolkit.\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 IC models are included in this 10-piece LMR chip assortment?\u003c\/h4\u003e\n\u003cp\u003eA: The pack includes mixed quantities across these models: LMR14006XDDCR, LMR14203XMKX\/NOPB, LMR14206XMKX\/NOPB, LMR12010XMKX\/NOPB, LMR14030SDDAR, and LMR14010ADDCR. The exact quantity per model may vary, making it a great grab-bag for engineers and hobbyists who need multiple LMR series regulators on hand.\u003c\/p\u003e\n\u003ch4\u003eQ: Are these ICs suitable for surface-mount (SMD) PCB assembly?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The LMR series chips in this assortment come in SMD packages including SOT-23 and SOIC (SOIC-8 style), which are fully compatible with standard surface-mount PCB assembly and reflow soldering processes.\u003c\/p\u003e\n\u003ch4\u003eQ: What does \"NOPB\" mean in the model number?\u003c\/h4\u003e\n\u003cp\u003eA: \"NOPB\" stands for \"No Lead (Pb)\" — indicating that those specific variants are RoHS-compliant and manufactured without lead-based solder, making them suitable for environmentally conscious and regulatory-compliant designs.\u003c\/p\u003e\n\u003ch4\u003eQ: What is the primary function of LMR series ICs?\u003c\/h4\u003e\n\u003cp\u003eA: LMR series ICs are step-down (buck) DC\/DC switching regulators. They efficiently convert a higher DC input voltage to a lower, regulated DC output voltage, making them essential components in power management circuits for embedded systems, industrial electronics, and consumer devices.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What IC models are included in this 10-piece LMR chip assortment?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The pack includes mixed quantities across these models: LMR14006XDDCR, LMR14203XMKX\/NOPB, LMR14206XMKX\/NOPB, LMR12010XMKX\/NOPB, LMR14030SDDAR, and LMR14010ADDCR. 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They efficiently convert a higher DC input voltage to a lower, regulated DC output voltage, making them essential components in power management circuits for embedded systems, industrial electronics, and consumer devices.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"10pcs LMR Series Buck Regulator IC Chips – Mixed SMD Models\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/products\/10pcs-lmr-series-buck-switching-regulator-ic-chips-mixed-models\"}]}\u003c\/script\u003e","brand":"Axl","offers":[{"title":"LMR12010XMKX","offer_id":44166218547287,"sku":"200007561:201299039#LMR12010XMKX","price":23.51,"currency_code":"USD","in_stock":true},{"title":"LMR14206XMKX","offer_id":44166218580055,"sku":"200007561:201299038#LMR14206XMKX","price":23.51,"currency_code":"USD","in_stock":true},{"title":"LMR14010ADDCR","offer_id":44166218612823,"sku":"200007561:201299041#LMR14010ADDCR","price":23.51,"currency_code":"USD","in_stock":true},{"title":"LMR14030SDDAR","offer_id":44166218645591,"sku":"200007561:201299040#LMR14030SDDAR","price":23.51,"currency_code":"USD","in_stock":true},{"title":"LMR14203XMKX","offer_id":44166218678359,"sku":"200007561:201299037#LMR14203XMKX","price":23.51,"currency_code":"USD","in_stock":true},{"title":"LMR14006XDDCR","offer_id":44166218711127,"sku":"200007561:201299036#LMR14006XDDCR","price":32.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0676\/6008\/7383\/files\/S831d2dd98003437fabca41e9b761ad26j.webp?v=1786731370","url":"https:\/\/axlcustomersupport.com\/products\/10pcs-lmr-series-buck-switching-regulator-ic-chips-mixed-models","provider":"Axl","version":"1.0","type":"link"}