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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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LTC3853 数据表(PDF) 33 Page - Linear Technology |
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LTC3853 数据表(HTML) 33 Page - Linear Technology |
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33 / 36 page  LTC3853 33 3853fc For more information www.linear.com/LTC3853 TYPICAL APPLICATIONS Dual 1.2V/2.5V High Current Step-Down Converter with RSENSE TG1 TG2 BOOST1,2,3 SW1 SW2 BG1 BG2 SENSE1+ EXTVCC SENSE2+ SENSE1– SENSE2– VFB1 VFB2 ITH1,2,3 VIN INTVCC DRVCC12 LTC3853 MODE/PLLIN 20k 1% FREQ/PLLFLTR ILIM PGND PGOOD12 SGND TK/SS3 VFB3 SENSE3– SENSE3+ SW3 TG3 BG3 RUN1,3 PGOOD3 RUN2 100* 100* 2.55k 4.7µF 10k INTVCC VOUT1 1.2V 30A VOUT1 20k 1% 0.002 5% VOUT3 2.5V 15A VIN 6.5V TO 14V CITH1,3 RITH1,3 1000pF* 660µF 2.5V ×2 CHANNEL 1: RITH1 = 10k, CITH1 = 1500pF, CP1 = 220pF CHANNEL 2: ITH1 AND ITH2 SHORTED TOGETHER, TK/SS1 AND TK/SS2 SHORTED TOGETHER CHANNEL 3: RITH3 = 13k, CITH3 = 1500pF, CP3 = 330pF CP1,3 180µF 16V CSS3 0.1µF TK/SS1 CSS1 0.22µF 1000pF 1000pF* 1000pF* 100* 200k 100* 0.47µH 0.47µH 0.78µH CB1,2,3 0.1µF SW1,2,3 DB1,2,3 100* + 660µF 4V 3853 TA04 + 43.2k 1% 100* 10k 1% 0.002 5% 47pF 0.002 5% *THESE FILTER COMPONENTS NEED TO BE CLOSE TO THE IC |
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