Datasheet LTC3619B (Analog Devices) - 7
| 制造商 | Analog Devices |
| 描述 | 400mA/800mA Synchronous Step-Down DC/DC with Average Input Current Limit |
| 页数 / 页 | 20 / 7 — FuncTional DiagraM |
| 文件格式/大小 | PDF / 519 Kb |
| 文件语言 | 英语 |
FuncTional DiagraM
该数据表的模型线
文件文字版本
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