䋱䋶Vേ䊄䊤䉟䊋ౝ⬿䇭㒠DC/DC䉮䊮䊋䊷䉺 New Product Leaflet XC9246/XC9247 Series ៤Ꮺ䉭䊷䊛ᯏ STB LCD-TV 䊒䊥䊮䉺䊷 XC9246/XC9247䉲䊥䊷䉵䈲䇮䊄䊤䉟䊋䊃䊤䊮䉳䉴䉺ౝ⬿16Vേ㒠DC/DC䉮䊮䊋䊷䉺IC䈪䈜䇯 䊑䊷䊃䉴䊃䊤䉾䊒ᣇᑼ䈱ណ↪䈪 Hi 䉰䉟䊄䊄䊤䉟䊋䉕 Nch ဳ䈫䈚䈢䈖䈫䈮䉋䉍䉼䉾䊒㕙Ⓧ䉕䈘䈋䇮 SOT-26W䇮USP-6C䈱ዊဳ䊌䉾䉬䊷䉳䈮タน⢻䈫䈭䉍䉁䈚䈢䇯 ⊒ᝄᵄᢙ䉅1.2MH䌺䈫㜞䈒䇮䉶䊤䊚䉾䉪䉮䊮䊂䊮䉰䈮ኻᔕ䈚䈩䈇䉎䈢䉄䇮ዊဳㄝㇱຠ䈱↪䈏 น⢻䈪䈜䇯䊌䉾䉬䊷䉳䈫ว䉒䈞ታⵝ㕙Ⓧ䈏シᷫ䈘䉏䇮䊨䊷䉦䊦㔚Ḯ䈱ల䇮ല₸䊶ᾲኻ╷䈱䈢䉄 䈱3┵ሶ䊧䉩䊠䊧䊷䉺䈎䉌䈱⟎䈐឵䈋╬䇮⋭䉴䊕䊷䉴䈱䉝䊒䊥䉬䊷䉲䊢䊮䈮ᦨㆡ䈪䈜䇯 USP-6C ⽶⩄ኈ㊂䈮䉶䊤䊚䉾䉪䉮䊮䊂䊮䉰䈱↪䈏น⢻ 1 ജ㔚䇭4.5V䌾16V䉁䈪ኻᔕ 㩷V IN 䊊䉟䉰䉟䊄Nch㚟േ↪䈱䉮䊮䊂䊮䉰 V IN BST f=1.2MHz䈱䈢䉄䇮L୯䈲4.7㱘H ዊဳ䉮䉟䊦䈱↪䈏น⢻ L C IN EN/SS VSS SBD CL FB ജ㔚⸳ቯᛶ᛫ 1.2V䌾5.6V䉁䈪⸳ቯน⢻ ICᧄ䈫SBD䈮䈩ᾲ䈱ಽᢔ VOUT LX XC9246 2 SOT-26W 䉶䊤䊚䉾䉪䉮䊮䊂䊮䉰ኻᔕ RESRਇⷐ PFMᓮ䈮䉋䉎⽶⩄1mA~100mA䈱ല₸ᡷༀ ല₸ vs. ജ㔚ᵹ VIN=12.0V, VOUT=5.0V, IOUT=1A 100 シ⽶⩄䈱ല₸䈏ᡷༀ Efficiency : EFFI (%) 90 80 70 60 50 40 XC9247 XC9246 30 20 PWM/PFM⥄േಾᦧᓮౝ⬿䈱XC9247䈲䇮IOUT=100mAએਅ䈱⽶⩄ ᧦ઙ䈪䈲䉦䊧䊮䊃䊥䊚䉾䊃PFMേ䈫䈭䉍䇮IC䈱⊒ᝄᵄᢙ䉕1.2MHz䉋䉍 ㆃ䈒䈜䉎䈖䈫䈮䉋䈦䈩IC䈱ᶖ⾌㔚ᵹ䉕ᛥ䈋䇮㜞ല₸䉕ታ䈚䈩䈇䉁䈜䇯 シ⽶⩄ᤨ䈱⋭㔚ജൻ䈏ᔅⷐ䈭↪ㅜ䈮ᦨㆡ䈪䈜䇯 *PWM/PFM⥄േಾᦧ䈋䈱䊘䉟䊮䊃䈲↪ㇱຠ䇮᧦ઙ䈮䉋䉍⇣䈭䉍䉁䈜䇯 10 0 1 10 100 1000 Output Current : IOUT (mA) ਥ䈭․㐳 ജ㔚▸࿐ ജ㔚▸࿐ ജ㔚ᵹ ല₸ ⊒ᝄᵄᢙ 4.5V䌾16V (UVLO㔚䈮䉋䉍▸࿐⇣䈭䉎) ၮḰ㔚Ḯ1.0V±1.5%䈮䉋䉍1.2V䌾5.6V䉁䈪 ᦨᄢ䊂䊠䊷䊁䉞Ყ 80䋦 䉸䊐䊃䉴䉺䊷䊃 ౝㇱ⸳ቯ1.5ms (ᄖઃ䈔RC䈮䉋䉍છᗧ䈮ᑧ㐳น⢻) ᄖઃ䈔ᛶ᛫䈮䉋䉍છᗧ䈮⸳ቯน⢻ ᓮᣇᑼ PWMᓮ(XC9246) 1A (VIN㻢6V䈎䈧VOUT/VINᲧ50%એਅ) 1A (VIN䋼6V䈎䈧VOUT/VINᲧ40%એਅ) ⼔࿁〝 90%(VIN=12V VOUT=5V IOUT=200mA) 1.2MH䌺 PWM/PFM⥄േಾᦧᓮ (XC9247) ㆊ㔚ᵹ䊥䊚䉾䊃 (Ⓧಽ䊤䉾䉼䉺䉟䊒) 䉰䊷䊙䊦䉲䊞䉾䊃䉻䉡䊮 䊌䉾䉬䊷䉳 SOT-26W, USP-6C www.torex.co.jp October 2012 㽳 䃂ᧄ⾗ᢱ䈱ឝタౝኈ䈮䈧䈇䈩䈲䇮੍๔䈭䈒ᄌᦝ䈜䉎䈖䈫䈏䈅䉍䉁䈜䈱䈪䈗ੌᛚਅ䈘䈇䇯 New Product Leaflet 16Vേ䊄䊤䉟䊋Trౝ⬿㒠DC/DC䉮䊮䊋䊷䉺䇭XC9246/XC9247 Series 3 ዊဳ䊌䉾䉬䊷䉳䈪ᄙᓀ䈭ᯏ⢻ XC9246/XC9247䉲䊥䊷䉵䈲6䊏䊮䈭䈏䉌䉸䊐䊃䉴䉺䊷䊃䉇ㆊ㔚ᵹ⼔(Ⓧಽ䊤䉾䉼)ᯏ⢻䇮⍴⛊⼔ᯏ⢻╬䇮 㒠DC/DC䈱䈜䈼䈩䈱ᯏ⢻䉕ౝ⬿䈚䈩䈍䉍䉁䈜䇯 䉸䊐䊃䉴䉺䊷䊃 ㆊ㔚ᵹ⼔ᯏ⢻ 䉴䉺䊷䊃ᤨ䈱䊤䉾䉲䊠㔚ᵹ䉇ജ㔚 䈱䉥䊷䊋䊷䉲䊠䊷䊃䉕ᛥ䈋䉁䈜䇯 䉸䊐䊃䉴䉺䊷䊃ᤨ㑆䈲ౝㇱ࿕ቯ䈪 1.5ms䈮⸳ቯ䈘䉏䈩䈇䉁䈜䇯䉁䈢䇮ᄖ ઃ䈔䈮䌃䌒䉕ធ⛯䈜䉎䈖䈫䈮䉋䉍છᗧ 䈮ᤨ㑆䉕ᑧ㐳䈪䈐䉁䈜䇯 ⍴⛊⼔ 䉮䉟䊦㔚ᵹ䉕⋙ⷞ䈚ㆊᄢ䈭㔚ᵹ䉕ᛥ䈋 䉁䈜䇯ㆊ㔚ᵹ⁁ᘒ䈏1.2ms(TYP.)⛯䈒 䈫䊤䉾䉼ᯏ⢻䈮䉋䉍䊄䊤䉟䊋䉕OFF䈚⛯ 䈔䉁䈜䇯䋨ENౣേ䈮䉋䉍⸃㒰䋩 ജ䈏⍴⛊䈘䉏䇮FB┵ሶ㔚䈏ౝㇱ ၮḰ㔚䈱1/2એਅ䈫䈭䉍䇮ዏ䈧ㆊ 㔚ᵹ⁁ᘒ䉕ᬌ䈚䈢႐ว䇮⍍ᤨ䈮䊤䉾 䉼䈏䈐䊄䊤䉟䊋䉕OFF䈚⛯䈔䉁䈜䇯䇭 䋨ENౣേ䈮䉋䉍⸃㒰䋩 ㆊ㔚ᵹ㒐ᱛ ᕆỗ䈭ᄌേ䈮ኻᔕ 䉴䊛䊷䉴䈭┙䈤䈏䉍 Limit䋾a few microsec ILIM ILX 0mA VOUT VSS VLX VEN Restart VIN ᛛⴚ䉮䊤䊛 XC9246/XC9247䉲䊥䊷䉵䈮ౝ⬿䈘䉏䈩䈇䉎 LDMOS Nch䊄䊤䉟䊋䈲ㅢᏱ䈱Pch䊄䊤䉟䊋䉺䉟䊒䈫Ყセ䈚䈩ห䈛䉥䊮ᛶ᛫䈪䈲㕙 Ⓧ䈏1/3⒟ᐲએਅ䈮䈭䉍䉁䈜䇯䈖䉏䈮䉋䉍䇮ૐ䉥䊮ᛶ᛫䊄䊤䉟䊋䉕⛽ᜬ䈚䈢䉁䉁ዊဳ䊌䉾䉬䊷䉳ൻ䉕ታ䈚䉁䈚䈢䇯 䉁䈢䇮Nch䊄䊤䉟䊋䉕Hi䉰䉟䊄䈮↪䈇䈢႐ว䇮Lx┵ሶ䉋䉍㜞䈇㔚䈪䈖䈱Nch䊄䊤䉟䊋䈱䉭䊷䊃䉕䊄䊤䉟䊑䈜䉎ᔅⷐ䈏䈅䉍䉁䈜䇯 XC9246/XC9247䉲䊥䊷䉵䈪䈲䊑䊷䊃䉴䊃䊤䉾䊒ᣇᑼ䈱࿁〝䉕ౝ⬿䈚䈩䈍䉍䇮ᄖઃ䈔䈱CBST䈲䈖䈱䉼䊞䊷䉳䊘䊮䊒䉮䊮䊂䊮 䉰䈮䈭䉍䉁䈜䇯 ㅢᏱ䈱Pchဳ㒠DC/DC Pch XC9246/XC9247䉲䊥䊷䉵 䊑䊷䊃䉴䊃䊤䉾䊒࿁〝ౝㇱ䊑䊨䉾䉪࿑ V L S D2 BST V IN C BST Nch L LX Nch Hi䉰䉟䊄䊄䊤䉟䊋䈱䉭䊷䊃䈫Lx䈲ห⋧(ห䈛ᣇ ะ䈪 H/L䈮േ䈒)䈪േ䈚䉁䈜䈱䈪䇮ㅒ⋧䈪ᐓᷤ䈚 ว䈉Pch䉺䉟䊒䈫Ყ䈼䇮䉴䉟䉾䉼䊮䉫䈮䈉㜞ᵄ 䊉䉟䉵䈏Ყセ⊛ዊ䈘䈇․㐳䉅䈅䉍䉁䈜䇯 S D1 VSS G ND www.torex.co.jp October 2012 㽳 䃂ᧄ⾗ᢱ䈱ឝタౝኈ䈮䈧䈇䈩䈲䇮੍๔䈭䈒ᄌᦝ䈜䉎䈖䈫䈏䈅䉍䉁䈜䈱䈪䈗ੌᛚਅ䈘䈇䇯