Datasheet LTC3609 (Analog Devices) - 9

LTC3609 FuncTional DiagraM RON VON ION FCB EXTVCC SVIN 13 22 19 29 30 4.7V 0.7V PV 2.4V IN 1µA + – 0.6V 1, 2, 3, 4, 5, REF 6, 7, 48, 49, 50, 51, 52, 53 0.6V 5V CIN REG – + INTVCC 31, 32 F BOOST 11 VVON tON = I (10pF) R ION S Q FCNT C M1 B ON 20k D L1 + + SW B VOUT SWITCH 8, 33, 41, 42, ICMP IREV LOGIC 43, 44, 45, – – 46, 47, 55 1.4V SHDN + COUT OV V M2 C RNG VCC 17 s PGND (0.5 TO 2) 34, 35, 36, 37, 0.7V 38, 39, 40 16 PGOOD 1 R2 240k + 0.54V 1V Q2 Q4 UV Q6 – ITHB 23 VFB Q3 Q1 R1 + OV + SGND – 0.8V – 0.66V 10, 14, 15, 20, SS RUN 26, 27, 54 – + SHDN 1.2µA s3.3 EA + – – + NC 9, 21, 24, 25, 28 6V 0.6V 0.4V 18 12 3609 FD ITH RUN/SS CSS 3609fb Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration order information Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts