{"product_id":"analog-devices-ltc7891rufdm-pbf-dc-dc-controller-synchronous-buck-step-down-4v-to-100v-1-output-2-25mhz-qfn-ep-28","title":"ANALOG DEVICES LTC7891RUFDM#PBF DC\/DC Controller, Synchronous Buck (Step Down), 4V to 100V, 1 Output, 2.25MHz, QFN-EP-28","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cdiv\u003e\n \u003cdiv\u003e\n  \u003cp\u003eLTC7891RUFDM#PBF is a 100V, low IQ, synchronous step-down controller for GaN FETs. It is a high-performance, step-down, DC-to-DC switching regulator controller that drives all N-channel synchronous gallium nitride (GaN) field-effect transistor (FET) power stages from input voltages up to 100V. The LTC7891 solves many of the challenges traditionally faced when using GaN FETs. It simplifies the application design while requiring no protection diodes and no other additional external components compared to a silicon metal-oxide semiconductor field-effect transistor (MOSFET) solution. The internal smart bootstrap switch prevents overcharging of the BOOST pin to SW pin high-side driver supplies during dead times, protecting the gate of the top GaN FET. Applications include industrial power systems, military avionics, medical systems, and telecommunications power systems.\u003c\/p\u003e\n  \u003cul\u003e\n   \u003cli\u003eGaN drive technology fully optimized for GaN FETs, no catch, clamp, or bootstrap diodes needed\u003c\/li\u003e\n   \u003cli\u003eInput supply operating range from 4 to 100V (TJ=-40°C to +150°C)\u003c\/li\u003e\n   \u003cli\u003eWide output voltage range from 0.8V ? VOUT ? 60V\u003c\/li\u003e\n   \u003cli\u003eInternal smart bootstrap switches prevent overcharging of high side driver supplies\u003c\/li\u003e\n   \u003cli\u003eInternally optimized, smart near zero dead times or resistor adjustable dead times\u003c\/li\u003e\n   \u003cli\u003eSplit output gate drivers for adjustable turn on and turn off driver strengths\u003c\/li\u003e\n   \u003cli\u003eAccurate adjustable driver voltage and UVLO, spread spectrum frequency modulation\u003c\/li\u003e\n   \u003cli\u003eTotal input supply current in regulation is 5?A typ (48V to 5V, no load, TA=25°C)\u003c\/li\u003e\n   \u003cli\u003eSynchronizable frequency range from 0.1 to 3MHz (PLLIN\/SPREAD=external clock)\u003c\/li\u003e\n   \u003cli\u003e28 lead QFN package, operating junction temperature range from -40°C to 150°C\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003ch3\u003eNotes\u003c\/h3\u003e\n  \u003cp\u003eADI products are only authorized (and sold) for use by the customer and are not to be resold or otherwise passed on to any third party\u003c\/p\u003e\n \u003c\/div\u003e\n\u003c\/div\u003e \u003ch4\u003eProduct details\u003c\/h4\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdiv\u003e\n \u003cdiv\u003e\n  \u003cdiv\u003e\n   \u003cdiv\u003e\n    \u003cdiv\u003e\n     \u003cspan\u003eControl Mode\u003c\/span\u003e\n     \u003cp\u003eCurrent\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv\u003e\n     \u003cspan\u003eSupply Voltage Max\u003c\/span\u003e\n     \u003cp\u003e100V\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv\u003e\n     \u003cspan\u003eDuty Cycle (%)\u003c\/span\u003e\n     \u003cp\u003e99%\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv\u003e\n     \u003cspan\u003eNo. of Pins\u003c\/span\u003e\n     \u003cp\u003e28Pins\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv\u003e\n     \u003cspan\u003eTopology\u003c\/span\u003e\n     \u003cp\u003eSynchronous Buck (Step Down)\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv\u003e\n     \u003cspan\u003eOperating Temperature Max\u003c\/span\u003e\n     \u003cp\u003e150°C\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv\u003e\n     \u003cspan\u003eQualification\u003c\/span\u003e\n     \u003cp\u003e-\u003c\/p\u003e\n    \u003c\/div\u003e\n   \u003c\/div\u003e\n   \u003cdiv\u003e\n    \u003cdiv\u003e\n     \u003cspan\u003eSupply Voltage Min\u003c\/span\u003e\n     \u003cp\u003e4V\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv\u003e\n     \u003cspan\u003eNo. of Outputs\u003c\/span\u003e\n     \u003cp\u003e1Outputs\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv\u003e\n     \u003cspan\u003eIC Case \/ Package\u003c\/span\u003e\n     \u003cp\u003eQFN-EP\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv\u003e\n     \u003cspan\u003eSwitching Frequency\u003c\/span\u003e\n     \u003cp\u003e2.25MHz\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv\u003e\n     \u003cspan\u003eOperating Temperature Min\u003c\/span\u003e\n     \u003cp\u003e-40°C\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv\u003e\n     \u003cspan\u003eProduct Range\u003c\/span\u003e\n     \u003cp\u003e-\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv\u003e\n     \u003cspan\u003eSVHC\u003c\/span\u003e\n     \u003cp\u003eNo SVHC (07-Jul-2017)\u003c\/p\u003e\n    \u003c\/div\u003e\n   \u003c\/div\u003e\n  \u003c\/div\u003e\n \u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch4\u003eOther details\u003c\/h4\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eANALOG DEVICES\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003eLTC7891RUFDM#PBF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003eEach\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTechnical Data Sheet EN\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"http:\/\/www.farnell.com\/datasheets\/4189353.pdf\" target=\"_blank\" title=\"View or Download\" download\u003e\u003cimg src=\"\/\/cdn.shopify.com\/s\/files\/1\/1034\/1611\/files\/file_4379f50c-e237-48f9-beae-a4e625c5b304_icon.png?9736775303194905289\" alt=\"Download technical document - datasheet - Tanotis India\" width=\"25\"\u003e\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cbr\u003eAll product and company names are trademarks™ or registered® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them.","brand":"ANALOG DEVICES-10","offers":[{"title":"Default Title","offer_id":41636781326421,"sku":"4408021:1-VAT145:e14","price":848.19,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1034\/1611\/files\/4c6b3cffd4c67815c2d7fdeac33c9367_09ddda25-ba16-4148-a07f-22a6b8e04122.jpg?v=1755200995","url":"https:\/\/www.tanotis.com\/products\/analog-devices-ltc7891rufdm-pbf-dc-dc-controller-synchronous-buck-step-down-4v-to-100v-1-output-2-25mhz-qfn-ep-28","provider":"Tanotis","version":"1.0","type":"link"}