{"product_id":"xl1509-5-0e1-sop8-5v-step-down-switching-regulator-ic-5pcs","title":"XL1509-5.0E1 SOP-8 5V Step-Down Switching Voltage Regulator IC (5pcs)","description":"\u003ch2\u003eXL1509-5.0E1 — SOP-8 5V Fixed Step-Down Switching Regulator IC\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eXL1509-5.0E1\u003c\/strong\u003e is a \u003cstrong\u003e150kHz fixed-frequency PWM buck (step-down) switching regulator\u003c\/strong\u003e with a built-in power switch, capable of delivering up to \u003cstrong\u003e2A output current\u003c\/strong\u003e with a fixed \u003cstrong\u003e5V output\u003c\/strong\u003e. In SOP-8 SMD package, it's ideal for compact PCB power supply designs requiring efficient 5V regulation from 8–40V input. This listing provides \u003cstrong\u003e5 pieces\u003c\/strong\u003e.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003eXL1509-5.0E1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage\u003c\/td\u003e\n\u003ctd\u003eSOP-8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd\u003e5V (fixed)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage Range\u003c\/td\u003e\n\u003ctd\u003e8V – 40V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current\u003c\/td\u003e\n\u003ctd\u003e2A (max)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSwitching Frequency\u003c\/td\u003e\n\u003ctd\u003e150kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEfficiency\u003c\/td\u003e\n\u003ctd\u003eUp to 88%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFeedback Voltage\u003c\/td\u003e\n\u003ctd\u003e1.25V (internal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDropout\u003c\/td\u003e\n\u003ctd\u003eN\/A (switching, not linear)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e5 PCS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch3\u003eWhy Choose XL1509-5.0E1?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003eIntegrated power switch\u003c\/strong\u003e — minimal external components (inductor + diode + capacitors only)\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eFixed 5V output\u003c\/strong\u003e — no feedback resistor network needed, simplifies PCB design\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eWide 8–40V input\u003c\/strong\u003e — works from 12V, 24V, or automotive 12V\/24V systems\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e88% efficiency\u003c\/strong\u003e — far superior to LM7805 linear regulator\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eSOP-8 SMD\u003c\/strong\u003e — compact footprint for space-constrained PCB designs\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eCompatible With \/ Works With\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eArduino UNO\/Nano 5V supply from 12V–24V industrial power\u003c\/li\u003e\n\u003cli\u003eESP8266 \/ ESP32 5V supply (with AMS1117-3.3 for 3.3V)\u003c\/li\u003e\n\u003cli\u003eRaspberry Pi 5V supply from 12V automotive or solar\u003c\/li\u003e\n\u003cli\u003eIndustrial sensor 5V supply from 24V DIN rail power\u003c\/li\u003e\n\u003cli\u003eExternal components: Schottky diode (SS34, 1N5822), inductor (100μH), capacitors\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial 5V Supply\u003c\/strong\u003e — 24V DIN rail to 5V for PLC I\/O modules\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomotive 5V\u003c\/strong\u003e — 12V\/24V vehicle power to 5V for embedded systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolar 5V Output\u003c\/strong\u003e — 12V–24V panel to 5V USB charging\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePCB Power Module\u003c\/strong\u003e — compact on-board 5V regulator for custom PCB designs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLED Driver Supply\u003c\/strong\u003e — 12V to 5V for WS2812B addressable LED strips\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eTypical Application Circuit\u003c\/h3\u003e\u003cp\u003eMinimum external components required:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eL1\u003c\/strong\u003e: 100μH inductor (rated ≥2A)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eD1\u003c\/strong\u003e: Schottky diode SS34 or 1N5822 (40V, 3A)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCin\u003c\/strong\u003e: 100μF \/ 50V electrolytic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCout\u003c\/strong\u003e: 100μF \/ 16V electrolytic + 10μF ceramic\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: Can XL1509-5.0E1 be used for 3.3V output?\u003c\/strong\u003e\u003cbr\u003eA: This variant is fixed at 5V. For 3.3V, use \u003cstrong\u003eXL1509-3.3E1\u003c\/strong\u003e (fixed 3.3V) or \u003cstrong\u003eXL1509-ADJ\u003c\/strong\u003e (adjustable with external resistors).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What inductor value should I use?\u003c\/strong\u003e\u003cbr\u003eA: 100μH is recommended for most applications. For higher switching frequency designs or lower ripple, use 68μH–150μH. Ensure the inductor is rated for at least 2A saturation current.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Is XL1509 compatible with LM2596?\u003c\/strong\u003e\u003cbr\u003eA: Both are 150kHz buck regulators with similar pinouts, but XL1509 is in SOP-8 (SMD) while LM2596 is in TO-263\/DIP. XL1509 is not a direct pin-compatible replacement for LM2596 on existing PCBs.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e5× XL1509-5.0E1 SOP-8 5V Step-Down Switching Regulator IC\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991480029419,"sku":"\u003cnone\u003e","price":7.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/xl1509-5v-step-down-voltage-regulator-chip-sop8.webp?v=1761547403","url":"https:\/\/keszoox.com\/products\/xl1509-5-0e1-sop8-5v-step-down-switching-regulator-ic-5pcs","provider":"Keszoox","version":"1.0","type":"link"}