Datasheet LTC3879 (Analog Devices) - 9
| Manufacturer | Analog Devices |
| Description | Fast, Wide Operating Range No RSENSE Step-Down Controller |
| Pages / Page | 28 / 9 — FUNCTIONAL DIAGRAM |
| File Format / Size | PDF / 314 Kb |
| Document Language | English |
FUNCTIONAL DIAGRAM
Model Line for this Datasheet
Text Version of Document
LTC3879
FUNCTIONAL DIAGRAM
RON VIN 7 ION 4 MODE 10 VIN C 0.6V IN 0.8V REF – + 5.3V REF OST F 0.7V tON = (10pF) R ION S Q FCNT R BOOST DS(S) + + 16 I TG CB COMP IREV 15 MT – – RUN SW +1.2μA 9 + 14 VOUT RUN SWITCH RUN D LOGIC INTVCC B 1.5V 11 – COUT BG CVCC 0.560V 12 MB PGND VRNG 13 3 sVRNG OV 0.225V PGOOD 3.3μA 2 1 240k + 0.66V NEG CLMP F + – V R2 FB – 8 R1 FCNT 0.6V + POS SGND CLMP F 6 + 2.4V – 0.54V – – 3879 FD01 + 1.16V 160μA – 0.6V SOFT-START DONE 1.7ms X5.33 EA SS 1μA + – – + + –67.5mV – 5 ITH CC1 1 TRACK/SS CSS RC 3879f 9
FUNCTIONAL DIAGRAM
RON VIN 7 ION 4 MODE 10 VIN C 0.6V IN 0.8V REF – + 5.3V REF OST F 0.7V tON = (10pF) R ION S Q FCNT R BOOST DS(S) + + 16 I TG CB COMP IREV 15 MT – – RUN SW +1.2μA 9 + 14 VOUT RUN SWITCH RUN D LOGIC INTVCC B 1.5V 11 – COUT BG CVCC 0.560V 12 MB PGND VRNG 13 3 sVRNG OV 0.225V PGOOD 3.3μA 2 1 240k + 0.66V NEG CLMP F + – V R2 FB – 8 R1 FCNT 0.6V + POS SGND CLMP F 6 + 2.4V – 0.54V – – 3879 FD01 + 1.16V 160μA – 0.6V SOFT-START DONE 1.7ms X5.33 EA SS 1μA + – – + + –67.5mV – 5 ITH CC1 1 TRACK/SS CSS RC 3879f 9
