LTC3626 FuncTional DiagraM RIN CIN2 CIN VON RUN SVIN 1.25V PVIN 160k + – A 3.3V V = 1 RUN REG PVIN 0.72V 6V RUN INTVCC RT ION C OSC ION R INTVCC CONTROLLER tON = VVON IION ON RRT S Q BOOST SWITCH TG LOGIC M1 CBST MODE/SYNC OSC AND L SW PLL-SYNC ANTI- SHOOT- COUT THROUGH BG ICMP IREV M2 PGND + – – + COMP SENSE– SELECT SENSE+ ITH RCOMP R1 CCOMP FB IDEAL R2 DIODES + 0.6V REF EA – + + – – INTERNAL SOFT-START IMONOUT 1.2V OUTPUT INTVCC IMON CURRENT IN MONITOR 1.4µA CSS TRACK/SS – 0.648V DUTY CYCLE PGOOD OV SGND + – TRACK – UV SS BURST FC MODE + 0.552V + SELECT MODE/SYNC 0.48V AT START-UP 0.10V AFTER START-UP + TJ 1V/200k + TEMP – FAULT – CONTROL TMON TSET 3626 BD 3626fa 10 For more information www.linear.com/LTC3626 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
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