Datasheet LTC3619B (Analog Devices) - 7
| Manufacturer | Analog Devices |
| Description | 400mA/800mA Synchronous Step-Down DC/DC with Average Input Current Limit |
| Pages / Page | 20 / 7 — FuncTional DiagraM |
| File Format / Size | PDF / 519 Kb |
| Document Language | English |
FuncTional DiagraM
Model Line for this Datasheet
Text Version of Document
LTC3619B
FuncTional DiagraM
REGULATOR 1 – 0.654V + V PGOOD1 8 FB1 – MIN CLAMP + 0.546V SLOPE 6 VIN COMP VFB1 10 – ITH EA – + SLEEP – + 0.6V I V COMP SLEEP + S Q RS LATCH SOFT-START R Q + SWITCHING ICOMP LOGIC AND – BLANKING ANTI CIRCUIT SHOOT- THRU 7 SW1 + I SHUTDOWN RCMP – 11 GND RUN1 2 SLEEP2 SLEEP1 + 3 RLIM 0.6V REF OSC TO REGULATOR 2 ONLY – 1V RUN2 9 OSC MIN CLAMP SLOPE 6 VIN COMP – VFB2 1 – ITH EA – SLEEP + – + 0.6V I V COMP SLEEP + S Q RS LATCH SOFT-START R Q + SWITCHING ICOMP LOGIC AND – – BLANKING ANTI 0.654V CIRCUIT SHOOT- + THRU 5 SW2 V PGOOD2 4 FB2 – + 0.546V + IRCMP – SHUTDOWN 11 GND REGULATOR 2 3619B FD 3619bfb 7 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 Package Description Revision History Typical Applications Related Parts
FuncTional DiagraM
REGULATOR 1 – 0.654V + V PGOOD1 8 FB1 – MIN CLAMP + 0.546V SLOPE 6 VIN COMP VFB1 10 – ITH EA – + SLEEP – + 0.6V I V COMP SLEEP + S Q RS LATCH SOFT-START R Q + SWITCHING ICOMP LOGIC AND – BLANKING ANTI CIRCUIT SHOOT- THRU 7 SW1 + I SHUTDOWN RCMP – 11 GND RUN1 2 SLEEP2 SLEEP1 + 3 RLIM 0.6V REF OSC TO REGULATOR 2 ONLY – 1V RUN2 9 OSC MIN CLAMP SLOPE 6 VIN COMP – VFB2 1 – ITH EA – SLEEP + – + 0.6V I V COMP SLEEP + S Q RS LATCH SOFT-START R Q + SWITCHING ICOMP LOGIC AND – – BLANKING ANTI 0.654V CIRCUIT SHOOT- + THRU 5 SW2 V PGOOD2 4 FB2 – + 0.546V + IRCMP – SHUTDOWN 11 GND REGULATOR 2 3619B FD 3619bfb 7 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 Package Description Revision History Typical Applications Related Parts
