[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-0-en-105":3,"doc-seo-562289-105":59,"doc-detail-562289-en":129},{"code":4,"msg":5,"data":6},0,"success",[7,13,18,23,28,33,38,43,48,51,55],{"id":8,"doc_module":4,"doc_module_name":9,"category_name":10,"show_sort_weight":11,"slug":12},1,"Document","Story & Novel",90,"story-novel",{"id":14,"doc_module":4,"doc_module_name":9,"category_name":15,"show_sort_weight":16,"slug":17},2,"Literature",80,"literature",{"id":19,"doc_module":4,"doc_module_name":9,"category_name":20,"show_sort_weight":21,"slug":22},4,"Exam",70,"exam",{"id":24,"doc_module":4,"doc_module_name":9,"category_name":25,"show_sort_weight":26,"slug":27},5,"Comic",60,"comic",{"id":29,"doc_module":4,"doc_module_name":9,"category_name":30,"show_sort_weight":31,"slug":32},6,"Technology",50,"technology",{"id":34,"doc_module":4,"doc_module_name":9,"category_name":35,"show_sort_weight":36,"slug":37},7,"Healthcare",40,"healthcare",{"id":39,"doc_module":4,"doc_module_name":9,"category_name":40,"show_sort_weight":41,"slug":42},8,"Research & Report",30,"research-report",{"id":44,"doc_module":4,"doc_module_name":9,"category_name":45,"show_sort_weight":46,"slug":47},9,"Religion & Spirituality",20,"religion-spirituality",{"id":46,"doc_module":4,"doc_module_name":9,"category_name":49,"show_sort_weight":46,"slug":50},"World Cup","world-cup",{"id":52,"doc_module":4,"doc_module_name":9,"category_name":53,"show_sort_weight":52,"slug":54},10,"Lifestyle","lifestyle",{"id":56,"doc_module":4,"doc_module_name":9,"category_name":57,"show_sort_weight":24,"slug":58},19,"General","general",{"code":4,"msg":60,"data":61},"ok",{"site_id":62,"language":63,"slug":64,"title":65,"keywords":66,"description":67,"schema_data":68,"social_meta":122,"head_meta":124,"extra_data":126,"updated_unix":128},105,"en","30v-high-current-boost-led-driver-preliminary-specification-sy7200a","30V High Current Boost LED Driver Preliminary Specification - SY7200A","","SY7200A is a DC/DC step-up converter providing accurate constant current to drive LEDs. It operates at a fixed 1 MHz switching frequency, enabling use of small external ceramic capacitors and an inductor, while regulating LED current via an external resistor connected to the FB pin. The device supports driving up to eight white LEDs in series or up to 30V, includes soft-start to limit inrush current, and provides open-LED over-voltage protection. EN/PWM enables operation and dimming from 20 kHz to 1 MHz.",{"@graph":69,"@context":121},[70,84,104],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":35,"@type":76,"position":81},"https://docshare.wps.com/document/healthcare/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/30v-high-current-boost-led-driver-preliminary-specification-sy7200a/562289/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":98,"encodingFormat":97,"isAccessibleForFree":99,"interactionStatistic":100},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/30v-high-current-boost-led-driver-preliminary-specification-sy7200a/562289.png","ImageObject",300,407,{"name":92,"@type":93},"A glass of water","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-12",true,{"@type":101,"interactionType":102,"userInteractionCount":8},"InteractionCounter",{"@type":103},"ViewAction",{"@type":105,"mainEntity":106},"FAQPage",[107,113,117],{"name":108,"@type":109,"acceptedAnswer":110},"What does SY7200A do and how is LED current set?","Question",{"text":111,"@type":112},"SY7200A delivers accurate constant current for driving LEDs using its step-up conversion. The regulated current is programmed by the external resistor between the FB pin and GND using IOUT = 0.2V / R1.","Answer",{"name":114,"@type":109,"acceptedAnswer":115},"What are the main operating and input voltage ranges?",{"text":116,"@type":112},"The input voltage supply range is 2.8 V to 30 V, and the recommended ambient temperature range is -40 °C to 85 °C. Junction temperature range for recommended operation is -40 °C to 125 °C.",{"name":118,"@type":109,"acceptedAnswer":119},"How are enable and dimming controlled using the EN/PWM pin?",{"text":120,"@type":112},"For enable, pull EN/PWM high to turn on the IC. For dimming, the first pulse should be longer than 200 ns, with an recommended dimming frequency range of 20 kHz to 1 MHz.","https://schema.org",{"og:url":83,"og:type":123,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":125,"canonical":83},"index,follow",{"doc_id":127,"site_id":62},562289,1791834162,{"code":4,"msg":5,"data":130},{"doc_id":127,"user_id":131,"nickname":92,"user_avatar":132,"doc_module":4,"category_id":34,"category_name":35,"doc_title":65,"doc_description":67,"doc_content":133,"file_id":134,"file_url":135,"file_type":136,"file_size":137,"view_count":8,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":44,"language":138,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":139,"faqs":140,"seo_title":141,"seo_description":67,"update_tm":142,"read_time":143},962090760832,"https://ap-avatar.wpscdn.com/davatar_155a257f0dc6eb9ab79c44ca47cae57d","Application Note: AN_SY7200A  \n30V High Current Boost LED Driver Preliminary Specification  \nGeneral Description  \nSY7200A is DC/DC step-up converter that deliver an accurate constant current for driving LEDs. Operation ata fixed switching frequency of 1MHz allows the device to be used with small value external ceramic capacitors and inductor. LEDs connected in series are driven with a regulated current set by the external resistor. The SY7200A is ideal for driving up to eight white LEDs in series or up to 30V.  \nOrdering Information  \nSY7200 □(□□)□  \nTemperature Code Package Code  \nOptional Spec Code  \nTemperature Range: -40°C to 85°C  \n\n| Ordering Number | Package type | Dimming |\n| --- | --- | --- |\n| SY7200AABC | SOT23-6 | 20kHz~1MHz |\n\nFeatures  \n• Input voltage range: 2.8 to 30V  \n• Switch current limit 2A  \n• Drives LED strings up to 30V  \n• 1MHz fixed frequency minimizes the external components  \n• Dimming frequency for EN/PWM pin:  \n20kHz~1MHz  \n• Internal softstart limits the inrush current  \n• Open LED over voltage protection  \n• RoHS Compliant and Halogen Free  \nApplications  \n• GPS Navigation Systems  \n• Handheld Devices  \n• Portable Media Players  \nTypical Applications  \nL  \nVin  \nCin IN LX  \nDimming  \nEN/PWM OVP  \nGND FB  \nD  \nVout Cout  \nR1  \nFigure 1. Schematic Diagram  \nAN_SY7200A Rev. 0.1 Silergy Corp. Confidential-Prepared for Customer Use Only 1  \nAN_SY7200A  \nPinout (top view)  \n(SOT23-6)  \nTop mark: HYxyz (Device code: HY, x=year code, y=week code, z= lot number code)  \n\n| Pin Name | Pin Number | Pin Description |\n| --- | --- | --- |\n| LX | 1 | Inductor node. Connect an inductor between IN pin and LX pin. |\n| GND | 2 | Ground pin. |\n| FB | 3 | Feedback pin. Connect a resistor R1 between FB and GND to program the output current: I OUT=0.2V/R1. |\n| EN/PWM | 4 | Enable and dimming control. When used as enable input, pull high to turn on IC. When used as dimming input, the first pulse should be longer than 200ns to turn on IC. And the ecommend dimming frequency range is 20kHz~1MHz. |\n| OVP | 5 | Over voltage protection. The typical value is 30V. |\n| IN | 6 | Input pin. Decouple this pin to GND pin with ceramic capacitor. |\n\nAbsolute Maximum Ratings (Note 1)  \nIN, EN---------------------------------------------------------- ----------------------------------------------------32V  \nLX, OVP----------------------------------------------------------------------------------------------------------- 36V  \nAll other pins--------------------------------------------------------------------------------------------------------- 4V  \nPower Dissipation, PD @ TA = 25°C, SOT23-6 ------------------------------------------------------- 0.6/0.55W  \nPackage Thermal Resistance (Note 2)  \nθJA----------------------------------------------------------------------------------------------- 170/180°C/W  \nJunction Temperature Range----------------------------------------------------------------------------------- 125°C  \nLead Temperature (Soldering, 10 sec.) ----------------------------------------------------------------------- 260°C  \nStorage Temperature Range------------------------------------------------------------------------- -65°C to 150°C  \nRecommended Operating Conditions (Note 3)  \nInput Voltage Supply-------------------------------------------------------------------------------------- 2.8V to 30V  \nJunction Temperature Range------------------------------------------------------------------------ - 40°C to 125°C  \nAmbient Temperature Range------------------------------------------------------------------------- -40°C to 85°C  \nAN_SY7200A Rev. 0.1 Silergy Corp. Confidential-Prepared for Customer Use Only 2  \nAN_SY7200A  \nElectrical Characteristics  \n(VIN = 3.6V, TA = 25°C, unless otherwise specified)  \n\n| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |\n| --- | --- | --- | --- | --- | --- | --- |\n| Input Voltage Range | VIN |  | 2.8 |  | 30 | V |\n| Quiescent Current | IQ | VFB=0.3V |  | 0.1 | 0.6 | mA |\n| Shutdown","cbCaitrvkI26jurT","https://ap.wps.com/l/cbCaitrvkI26jurT","pdf",755130,"English","# General Description\n# Ordering Information\n# Features\n# Applications\n# Typical Applications\n# Pinout (top view)\n# Absolute Maximum Ratings\n# Recommended Operating Conditions\n# Electrical Characteristics\n# Typical Performance Characteristics","[{\"question\":\"What does SY7200A do and how is LED current set?\",\"answer\":\"SY7200A delivers accurate constant current for driving LEDs using its step-up conversion. The regulated current is programmed by the external resistor between the FB pin and GND using IOUT = 0.2V / R1.\"},{\"question\":\"What are the main operating and input voltage ranges?\",\"answer\":\"The input voltage supply range is 2.8 V to 30 V, and the recommended ambient temperature range is -40 °C to 85 °C. Junction temperature range for recommended operation is -40 °C to 125 °C.\"},{\"question\":\"How are enable and dimming controlled using the EN/PWM pin?\",\"answer\":\"For enable, pull EN/PWM high to turn on the IC. For dimming, the first pulse should be longer than 200 ns, with an recommended dimming frequency range of 20 kHz to 1 MHz.\"}]","30V High Current Boost LED Driver Preliminary Specification - SY7200A | PDF",1791808207,23]