Datasheet LTC3608 (Analog Devices) - 9

LTC3608 Functional DiagraM RON VON ION FCB EXTVCC SVIN 13 22 19 29 4.7V 30 0.7V PV 2.4V IN 1µA + – 0.6V 1, 2, 3, 4, 5, 6, REF 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 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 VFB 23 Q3 Q1 R1 + SGND OV + 10, 14, 15, – 0.8V – 0.66V 20, 26, 27, 54 SS RUN – + SHDN 1.2µA ×3.3 EA + – – + 27 NC 6V 9, 21, 24, 25, 28 0.6V 0.4V 18 12 3608 FD ITH RUN/SS CSS 3608fc Document Outline Features Applications Description 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