HT4900 Datasheet PDF

ὖ䗄˖ HT4900 ⿏ࡼ⬉⑤ㅵ⧚ᮍḜ HT4900 ᰃϔℒ䲚៤њ‫⬉ܙ‬ㅵ⧚῵ഫǃLED ᣛ⼎῵ഫ੠छय़ᬒ⬉ㅵ⧚῵ഫˈᅠܼপҷⳂࠡᏖഎϞⱘ‫⬉ܙ‬ㅵ ⧚ IC+छय़ IC ᮍḜDŽ ㋏㒳ࡳ㛑㽕∖˖ ‫ܙ‬ǃᬒ⬉݅⫼ LED ♃ᣛ⼎ˈ‫⬉ܙ‬ᯊ䮾⚕ˈ‫ܙ‬⒵ᐌ҂˗ᬒ⬉ᯊᐌ҂ˈ⬉∴⃴य़ᯊ䮾⚕Ⳉࠄ݇ᴎDŽ 㒓ᗻ‫⬉ܙ‬῵ᓣˈ‫ݙ‬㕂 500mA MOSFETˈᬃᣕᇍ 0V ⬉∴‫ˈ⬉ܙ‬⍧⌕/ᘦ⌕/ᘦय़ϝ↉ᓣ‫⬉ܙ‬DŽ ‫⌕⬉⬉ܙ‬Ӯ䱣㡖⏽छ催㗠䰡Ԣ छय़⬉䏃Փ⫼໪䚼 MOSFET. ᠟ᴎᦦܹ㞾ࡼछय़ࡳ㛑 4KV ESD Ẕ⌟ⷁ䏃ֱᡸֵোˈ݇䯁䕧ߎˈ䳔㽕䞡ਃᠡ㛑㾷䫕DŽ 催㊒ᑺ䖛⌕ֱᡸˈ䖛⌕⚍ϡ䱣⬉∴⬉य़ব࣪DŽ छय़‫݋‬᳝䕃ਃࡼࡳ㛑˗䕃䍋ࡼᳳ䯈 STB ݇䯁 䖛⌕ǃⷁ䏃ֱᡸᓊᯊ ೎ᅮᓔ݇乥⥛ 500KHZ 㢃⠛ᕙᴎࡳ㗫ᇣѢ 5uAˈᭈᴎ㋏㒳ᕙᴎࡳ㗫ৃ᥻ࠊ೼ 20uA ҹϟ ⬉∴䖛‫ܙ‬ǃ䖛ᬒֱᡸ 䕧ߎ‫݋‬᳝ぎ䕑㞾ࡼ䆚߿݇ᴎǃ䖛⌕ֱᡸǃⷁ䏃ֱᡸ 1 HT4900 : ESOP8 1 GND 2 EXT BOOST 唟㣅 3 LX 4 BTP 5 VDD BOOST ୽ଖ䶣ੌ䣰䳒 䶣‫إۃ‬Პ ؆ຝ剽Եऴੌ 5V 6 L1 ਐ‫ق‬㣼 7 CE 8 FB ֒㣉 ֘唀 9 STB ৱ᫕֧㷰 2 HT4900 ᥼㤤⬉䏃ᑨ⫼೒ 9 STB 5 G2 G1 4 6 S2 S1 3 7 S2 S1 2 8 D2 D1 1 2 B1 B+ C5 0.1uF R8 100R C2 USB_IN VCC 1 2 3 4 DD+ GND C1 5 VDD BTP 4 6 U1 L1 LX 3 LED1 HT4900 7 CE EXT 2 R11 1K 8 FB GND 1 L1 4.7uH 6 VSS OD 1 5 VDD CSI 2 4 TD OC 3 Q4 HT8205A U2 DW01+ R9 1K D1 D2 5.6V R4 R5 C3 Q1 43K 75K C4 R1 USB_OUT VCC D- 1 2 D+ 3 GND 4 R6 R7 Q3 R3 R2 49.9K49.9K 3904 Q2 R10 100K 3 HT4900 VIN ICC ILED VIN VBAT VCV ICONST ITRKL IFULL TFULL VTRKL VRECHG FLED TC_LED VS...