LM5007MMX/NOPB Kusintha kwa Voltage Regulators High Voltage 80V

LM5007 0.5-A chosinthira chotsika pansi chimakhala ndi ntchito zonse zofunika kukhazikitsa chowongolera chotsika mtengo komanso chothandiza. Chosinthira highvoltage ichi chimakhala ndi 80-V yophatikizika, 0.7-A Nchannel buck switch ndipo imagwira ntchito pamagetsi olowera 9 V mpaka 75 V. Chipangizocho ndi chosavuta kugwiritsa ntchito ndipo chimaperekedwa mu 8-pini VSSOP ndi mapaketi a WSON a 8-pin.

Wotembenuza amagwiritsa ntchito hystertic control scheme yokhala ndi PWM pa nthawi mosagwirizana ndi VIN. Izi zimathandiza kuti ma frequency ogwiritsira ntchito azikhala osasinthasintha ndi kuchuluka kwa mphamvu ndi kuyika kwamagetsi. Kuwongolera kwa hysteric sikufuna kubweza kwa loop ndipo kumapereka kuyankha kwakanthawi kochepa. Malire anzeru omwe alipo tsopano amakhazikitsidwa ndikukakamiza kusiya nthawi yomwe ili yofanana ndi VOUT. Chiwembu chochepetsera chapanochi chimatsimikizira chitetezo chachifupi pomwe chimapereka kubwezeredwa kwakanthawi kochepa. Zina zodzitchinjiriza zikuphatikiza kutseka kwamafuta ndi kuchira kodziwikiratu, VCC ndi kutsekera kwa gate drive undervoltage, ndi limiter yayikulu yozungulira.