ADP2118ACPZ-R2

3A 1.2MHz/600kHzߛၳ୲ ཞօইუDC-DCۙবഗ ADP2118  ዷᄲ༬Ⴀ ߾ᄽࢅᅏഗᅏ՗ 3 A૶Ⴤ๼‫ୁۉ؜‬ ၩ‫ݯ‬ૌ‫ۉ‬ጱยԢ ण‫ׯ‬75 mΩࢅ40 mΩ FET ᅅଐഗႁ ± 1.5ǁ๼‫؜‬৛‫܈‬ ߁ຎ ๼෇‫ۉ‬უ‫ྷݔ‬ǖ2.3 V዁5.5 V ADP2118๟ᅃ੼‫ৢگ‬ༀ‫ୁۉ‬ĂཞօĂইუDC-DCۙবഗLj ๼‫ۉ؜‬უٗ0.6 V዁VIN ֑ᆩ4mm × 4mmĂ৆ٙ႙LFCSP_WQ‫ހ‬ጎă໲๑ᆩ‫ୁۉ‬ఇ 600 kHzई1.2 MHzࠦۨਸ࠲ೕ୲ ๕Ă࢛ೕஞ؋੻‫ۙ܈‬዆(PWM)੦዆‫ݛ‬ӄLjਏԢ‫؜‬෥‫ڦ‬࿘ۨ ੗ሞ600 kHzᇑ1.4 MHzኮक़ཞօ ੗჋ཞօ၎ᅎǖ0‫܈‬ई180‫܈‬ Ⴀࢅຨༀၚᆌăሞൟ޶ሜ้LjADP2118੗ದዃྺᅜஞ؋ೕ ੗჋PWMईPFM߾ፕఇ๕ ୲ۙ዆(PFM)ఇ๕߾ፕLjᅜ३ณਸ࠲ೕ୲Ljবูࠀࡼă ‫ୁۉ‬ఇ๕঳ࠓ ADP2118֑ᆩ2.3 V዁5.5 V๼෇‫ۉ‬უ߾ፕăADP2118ACPZ - R7 ৛௢๑ీ๼෇ ‫ڦ‬๼‫ۉ؜‬უ੗ሞ0.6 V዁๼෇‫ۉ‬უ(V IN )‫ۙాྷݔڦ‬ኝLj ‫ۉ‬ᇸଆࡻ๼‫؜‬ ADP2118ACPZ-x.x-R7ሶ༵ࠃ‫ܠ‬ዖᇨย๼‫ۉ؜‬უ჋ၜǖ3.3 ‫ۉ‬უ߶ጷ๼෇ VĂ2.5 VĂ1.8 VĂ1.5 VĂ1.2 Vࢅ1.0 VăADP2118ኻႴटณ ण‫෉ׯ‬ഔ‫ۯ‬ ‫ྔڦ‬ևᇮॲLjժ༵ࠃण‫୲ࠀׯ‬ਸ࠲Ăཞօኝୁഗࢅాևց ాևց‫׋‬ ‫ߛڦ׋‬ၳ୲঴ਦ‫ݛ‬ӄăኄ੼ICሞ্ᆩ้ٗ๼෇ᇸधൽ‫ۉڦ‬ ഔ‫ۯ‬৊෇ᇨ؊‫ۉ‬๼‫؜‬ വუԿ໮ĂࡗუԍࢺĂࡗୁԍࢺࢅඤ࠲܏ ୁփ‫ڟ‬3 μAăഄ໲ዷᄲ༬ႠԈઔവუԿ໮(UVLO)Ăᆩᇀ၌ 16ᆅগ4mm × 4mm LFCSP_WQ‫ހ‬ጎ ዆ഔ‫้ۯ‬ષᆥ‫ڦୁۉ‬ण‫෉ׯ‬ഔ‫ۯ‬Ăࡗუԍࢺ(OVP)Ljࡗୁ ԍࢺ(OCP)ࢅඤ࠲܏(TSD)ă ᆌᆩ ‫޶ۅ‬ሜገ࣑ ཚ႑तྪஏยԢ C1 0.1μF R1 10 2 FREQ 13 PVIN SW 11 FB SW 9 PGND 4 PGND SW 10 PGND TRK GND 3 5 6 7 8 100 90 PFM OPERATION 80 PVIN 12 ADP2118 VIN 5V 70 L 1μH COUT 100μF X5R, 6.3V VOUT 3.3V 3A 60 50 FPWM OPERATION 40 30 20 VIN = 5V VOUT = 3.3V fS = 1.2MHz 10 RTOP 10k 08301-001 RBOT 2.21k ཮1. ‫ۆ‬႙ᆌᆩ‫ۉ‬ୟ 0 0.01 0.1 1 OUTPUT CURRENT (A) 10 08301-050 SYNC/MODE 14 CIN 100μF X5R, 6.3V EFFICIENCY (%) 1 15 EN PG O O D 16 VIN R2 10k ཮2. ၳ୲ᇑ๼‫࠲ڦୁۉ؜‬ဣ Rev. 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ADIዐ࿔Ӳຕ਍๮֩๟ᆈ࿔Ӳຕ਍๮֩‫ڦ‬ᅳ࿔Lj৤൩ଌ঴‫݋‬ᅳዐ੗ీ٪ሞ‫ڦ‬ᇕჾፇኯई‫݋‬ᅳ‫ٱ‬ဃLjADIփ‫݋ܔ‬ᅳዐ٪ሞ‫ֶڦ‬ᅴईᆯׂُิ‫ٱڦ‬ဃ޶ሴăසႴඓණඪࢆَᇕ‫ڦ‬ጚඓႠLj൩֖੊ADI༵ࠃ ‫ڦ‬ፌႎᆈ࿔Ӳຕ਍๮֩ă ADP2118 ణ୤ ዷᄲ༬Ⴀ ........................................................................................... 1 ! ण‫෉ׯ‬ഔ‫ ۯ‬............................................................................ 14 ᆌᆩ ................................................................................................... 1 ! ߶ጷ ......................................................................................... 14 ߁ຎ ................................................................................................... 1 ! ና‫ږ‬ഗࢅཞօ ....................................................................... 15 Ⴊ۩૦๏ ........................................................................................... 2 ! ‫ୁۉ‬၌዆ࢅ‫܌‬ୟԍࢺ .......................................................... 15 रຍࡀ߭ ........................................................................................... 3 ! ࡗუԍࢺ(OVP) .................................................................... 15 ਨ‫ܔ‬ፌ‫ۨܮٷ‬ኵ ............................................................................. 5 ! വუԿ໮(UVLO) ................................................................. 15 ! ඤፆ ........................................................................................... 5 ! ඤ࠲܏ .................................................................................... 15 ! ESDয়ߢ ................................................................................... 5 ! ‫ۉ‬ᇸኟ‫ ׉‬................................................................................ 15 ᆅগದዃࢅࠀీ௮ຎ ..................................................................... 6 ᆌᆩ႑တ ........................................................................................ 16 ‫ۆ‬႙߾ፕ༬Ⴀ .................................................................................. 7 ! ๼‫ۉ؜‬უ჋ስ ....................................................................... 16 ࠀీ઀཮ ........................................................................................ 13 ! ‫ߌۉ‬჋ስ ................................................................................ 16 ߾ፕᇱ૙ ........................................................................................ 14 ! ๼‫ۉ؜‬ඹ჋ስ ....................................................................... 16 ੦዆‫ݛ‬ӄ ................................................................................ 14 ! ๼෇‫ۉ‬ඹ჋ስ ....................................................................... 17 ! ! ! PWM ఇ๕ ............................................................................. 14 ‫ۉ‬უ߶ጷ ................................................................................ 17 PFM߾ፕఇ๕ ....................................................................... 14 ‫ۆ‬႙ᆌᆩ‫ۉ‬ୟ ................................................................................ 18 ၽ୲ց‫ ׋‬................................................................................ 14 ྔႚ؅٫ ........................................................................................ 21 ๑ీ/࠲܏ ............................................................................... 14 ۩ࠔኸళ ................................................................................ 21 Ⴊ۩૦๏ 2009౎10ሆ—ӲԨ0዁ӲԨA 　　　　　　　　　　　 ገ࣑ഗ߀ྺۙবഗ(ཚೊ) ............................................................. 1 ߸߀ᆌᆩև‫ ݴ‬.................................................................................. 1 2009౎7ሆ—ӲԨ0:‫؛‬๔Ӳ Rev. A | Page 2 of 24 ADP2118  रຍࡀ߭ ‫ݥأ‬ଷᆶຫ௽LjVIN = PVIN = 3.3 VLjEN = VINLjSYNC/MODE = ߛLjTJ = −40°C዁+125°Că‫ۆ‬႙ኵྺTJ = 25°Cူă ՗1 ֖ຕ VINࢅPVIN VIN‫ۉ‬უ‫ྷݔ‬ PVIN‫ۉ‬უ‫ྷݔ‬ ৢༀ‫ୁۉ‬ ࠲܏‫ୁۉ‬ VINവუԿ໮ពኵ ๼‫؜‬༬Ⴀ ޶ሜۙኝ୲1 ๼෇‫ۉ‬უۙኝ୲1 FB FBۙব‫ۉ‬უ FBೋዃ‫ୁۉ‬ SW ߛ‫ڞ܋‬ཚ‫ۉ‬ፆ2 ‫ڞ܋گ‬ཚ‫ۉ‬ፆ2 SW‫ރ‬ኵ‫ୁۉ‬၌ኵ SWፌ‫ٷ‬቞੣Բ SWፌၭ‫ڞ‬ཚ้क़3 TRK TRK๼෇‫ۉ‬უ‫ྷݔ‬ TRK዁FB฿ۙ‫ۉ‬უ TRK๼෇ೋዃ‫ୁۉ‬ ೕ୲ ና‫ږ‬ഗೕ୲ FREQ๼෇ߛ‫ۉ‬უ FREQ๼෇‫ۉگ‬უ SYNC/MODE ཞօ‫ྷݔ‬ SYNCፌၭஞ؋੻‫܈‬ SYNCፌၭ࠲܏้क़ SYNC๼෇ߛ‫ۉ‬უ SYNC๼෇‫ۉگ‬უ ण‫෉ׯ‬ഔ‫ۯ‬ ෉ഔ‫้ۯ‬क़ PGOOD ‫ۉ‬ᇸଆࡻኸ๖‫ྷݔ‬ ‫ۉ‬ᇸଆࡻኸ๖‫ݞ‬۶้क़ PGOOD୑‫ୁۉ‬ PGOOD๼‫ۉگ؜‬უ ‫ࡽޙ‬ VIN PVIN IVIN ISHDN UVLO ֪๬ཉॲ/ጀ๥ ፌၭኵ ‫ۆ‬႙ኵ ፌ‫ٷ‬ኵ ‫ڇ‬࿋ 2.3 2.3 ࿮ਸ࠲ൎ࣑LjSYNC/MODE = GND ਸ࠲ൎ࣑Lj੣ሜLjSYNC/MODE = ߛ VIN = PVIN = 5.5 V, EN = GND VINฉื VINူই 2 Io = 0 A዁3 A Io = 1.5 A VFB IFB VIN = 2.3 V዁5.5 V VIN = PVIN = 3.3 V, ISW = 500 mA VIN = PVIN = 3.3 V, ISW = 500 mA ߛ‫܋‬ਸ࠲LjVIN = PVIN Ǚ 3.3V VIN=PVIN=5.5VLjඇೕ୲ VIN=PVIN=5.5VLjඇೕ୲ TRK = 0 mV዁500 mV FREQ = VIN FREQ = GND 100 680 0.3 2.2 2.1 5.5 5.5 150 900 3 2.3 0.08 0.05 0.591 4 %/A %/V 0.6 0.01 0.609 0.1 V μA 75 40 5.2 110 60 6.4 100 mΩ mΩ A % ns 600 +10 100 mV mV nA 1.4 700 MHz kHz V V 100 0 −10 1.0 500 1.2 1.2 600 0.4 0.6 100 100 1.2 1.4 0.4 ໯ᆶਸ࠲ೕ୲ FBฉืពኵ FBฉื‫׿‬ው FBူইពኵ FBူই‫׿‬ው ٗFB‫ڟ‬PGOOD VPGOOD = 5 V IPGOOD = 1 mA Rev. A | Page 3 of 24 85 110 2.5 90 2.5 16 0.1 140 MHz ns ns V V ้ዓዜ೺ 2048 105 V V μA μA μA V V 115 94 1 200 % % % % ้ዓዜ೺ μA mV ADP2118 ֖ຕ EN EN๼෇ฉืពኵ EN๼෇‫׿‬ው ENူઙ‫ۉ‬ፆ ඤ ඤ࠲܏ពኵ ඤ࠲܏‫׿‬ው ‫ࡽޙ‬ ֪๬ཉॲ/ጀ๥ ፌၭኵ ‫ۆ‬႙ኵ ፌ‫ٷ‬ኵ ‫ڇ‬࿋ VIN = 2.3 V዁5.5 V VIN = 2.3 V዁5.5 V 1.12 1.2 100 1 140 15 1 ᆯ཮45໯๖‫ۉڦ‬ୟࡀۨă ᆅগ‫ܔ‬ᆅগ֪ଉă 3 ཚࡗยऺԍኤă 2 Rev. A | Page 4 of 24 1.28 V mV MΩ °C °C ADP2118  ਨ‫ܔ‬ፌ‫ۨܮٷ‬ኵ ඤፆ! ՗2 ֖ຕ VIN, PVIN SW FB, SYNC/MODE, EN, TRK, FREQ, PGOOD PGND዁GND ߾ፕ঳࿒‫ྷݔ‬ ٪‫ئ‬࿒‫ྷݔ܈‬ ࡰথཉॲ ‫ۨܮ‬ኵ −0.3 V዁+6 V −0.3 V዁+6 V −0.3 V዁+6 V −0.3 V዁+0.3 V −40°C዁+125°C −65°C዁+150°C JEDEC J-STD-020 θJAኍ‫ܔ‬ፌֶཉॲLjनഗॲࡰথሞ‫ۉ‬ୟӱฉᅜํ၄՗ཌྷ‫ހ‬ ጎă ՗3. ඤፆ ‫ހ‬ጎૌ႙ 16ᆅগLFCSP_WQ θ JA θ 38.3 ‫ڇ‬࿋ °C/W Չহཉॲ θJAཚࡗJEDEC 4֫‫ۉ‬ୟӱጲ඗‫ݛୁܔ‬๕ઠ֪ଉLj஋୞ࡰಎཚ ጀᅪLj‫؜ג‬ฉຎਨ‫ܔ‬ፌ‫ۨܮٷ‬ኵ੗ీࣷ‫ڞ‬ዂഗॲᆦ৳Ⴀ໦ ࡗොඤཚ੥ࡰথሞᆇຘ‫ۉ‬ୟӱฉă ࣋ăኄኻ๟‫ۨܮ‬ᆌ૰ኵLjփ՗๖ሞኄၵཉॲူईኁሞඪࢆ ESDয়ߢ ഄ໲‫؜ג‬Ԩरຍࡀ߭֡ፕև‫ݴ‬໯๖ࡀ߭‫ڦ‬ཉॲူLjഗॲీ ESD(ৢ‫ߌ௺)ۉݣۉ‬ഗॲă ࠕኟ‫߾׉‬ፕă‫׊‬೺ሞਨ‫ܔ‬ፌ‫ۨܮٷ‬ኵཉॲူ߾ፕࣷᆖၚഗ ‫ۉټ‬ഗॲࢅ‫ۉ‬ୟӱ੗ీࣷሞுᆶִਥ‫ڦ‬൧઄ူ‫ۉݣ‬ă ॲ‫ڦ‬੗੍Ⴀă ৑࠶Ԩׂ೗ਏᆶጆ૧ईጆᆶԍࢺ‫ۉ‬ୟLj‫ڍ‬ሞᇜ‫ీߛڟ‬ ଉESD้Ljഗॲ੗ీࣷ໦࣋ăᅺُLjᆌ‫֑ړ‬ൽ๢‫ڦړ‬ ESD‫ٯݔݞ‬แLjᅜՆ௨ഗॲႠీူইईࠀీෟ฿ă Rev. A | Page 5 of 24 ADP2118 13 PVIN 14 VIN 16 PGOOD 15 EN ᆅগದዃࢅࠀీ௮ຎ SYNC/MODE 1 12 PVIN ADP2118 11 SW TOP VIEW 10 SW TRK 3 9 SW PGND 8 PGND 7 GND 5 PGND 6 FB 4 NOTES 1. THE EXPOSED PAD SHOULD BE SOLDERED TO AN EXTERNAL GROUND PLANE UNDERNEATH THE IC FOR THERMAL DISSIPATION. 08301-002 FREQ 2 ཮3.ᆅগದዃ ՗4. ᆅগࠀీ௮ຎ ᆅগՊࡽ 1 ᆅগఁ‫׬‬ SYNC/MODE ௮ຎ ཞօ๼෇(SYNC)ăሞُᆅগ૶থ600KHz዁1.4MHzኮक़‫ྔڦ‬և้ዓLj ॽਸ࠲ೕ୲ཞօ዁ྔև้ዓ(ၘဦ႑တ֖९ና‫ږ‬ഗࢅཞօև‫)ݴ‬ă CCM/PFM჋ስ(MODE)ăُᆅগᇑVIN၎૶้LjPFMఇ๕্ᆩLjADP2118ৈ߾ፕሞ‫૶ୁۉ‬Ⴤ‫ڞ‬ཚఇ๕(CCM)ă ‫ُړ‬ᆅগথ‫ں‬LjPFMఇ๕๑ీժሞൟሜ้ᆶၳă 2 3 FREQ TRK ೕ୲჋ስă૶থ዁GND੗჋ስ600HzLj૶থ዁VIN੗჋ስ1.2MHză ߶ጷ๼෇ăᄲ߶ጷዷ‫ۉ‬უLjٗዷ‫ۉ‬უ‫ݴڦ‬უഗᆅ‫ۉ؜‬უઠൻ‫ۯ‬TRKăසࡕփ๑ᆩ߶ጷࠀీLjॽTRK૶থ‫ڟ‬VINă 4 FB ‫ݒ‬ઍ‫ۉ‬უॠ֪๼෇ă૶থ‫ڟ‬VOUT‫ۉڦ‬ፆ‫ݴ‬უഗฉă‫ܔ‬ᇀࠦۨ๼‫؜‬ӲԨLj኱থ૶থ‫ڟ‬VOUTă 5 6, 7, 8 9, 10, 11 12, 13 GND PGND SW PVIN ఇె‫ں‬ă૶থ‫ڟ‬থ‫֫ں‬ă ‫ۉ‬ᇸ‫ں‬ă૶থ‫ڟ‬থ‫ࢅ֫ں‬๼‫ۉ؜‬ඹ‫ڦ‬๼‫࣮֨ݓ؜‬ă ਸ࠲ব‫ۅ‬๼‫؜‬ă૶থ‫ڟ‬๼‫ߌۉ؜‬ฉă ‫ۉ‬ᇸ๼෇ᆅগăॽُᆅগ૶থ‫ڟ‬๼෇‫ۉ‬ᇸăሞُᆅগࢅPGNDኮक़থ෇ಖୟ‫ۉ‬ඹă 14 VIN 15 EN 16 17 (EPAD) PGOOD ஋୞ࡰಎ ೋዃ‫ۉ‬უ๼෇ᆅগăሞُᆅগࢅGNDኮक़থ෇ᅃ߲ಖୟ‫ۉ‬ඹLj ժཚࡗᅃ߲ၭፆኵ‫ۉ‬ፆ(10 Ω)ॽُᆅগ૶থ‫ڟ‬PVINฉă ৛௢๑ీᆅগă੗๑ᆩྔև‫ۉ‬ፆ‫ݴ‬უഗઠยۨഔ‫ۯ‬ពኵăᄲጲ‫ۯ‬๑ీഗॲLj૶থENᆅগ‫ڟ‬VINฉă ُᆅগਏᆶ‫ڦںܔ‬1 MΩူઙ‫ۉ‬ፆă ‫ۉ‬ᇸଆࡻ๼‫(؜‬ਸ୑)ăཚࡗᅃ߲‫ۉ‬ፆ૶থ‫ڟ‬ඪࢆ