Datasheet LTC3809-1 (Analog Devices) - 8
| 制造商 | Analog Devices |
| 描述 | No RSENSE , Low Input Voltage, Synchronous DC/DC Controller with Output Tracking |
| 页数 / 页 | 24 / 8 — FUNCTIONAL DIAGRAM |
| 文件格式/大小 | PDF / 267 Kb |
| 文件语言 | 英语 |
FUNCTIONAL DIAGRAM
该数据表的模型线
文件文字版本
LTC3809-1
FUNCTIONAL DIAGRAM
VIN CIN 9 VIN VOLTAGE V 6 IPRG REF SLOPE REFERENCE TG 0.6V CLK S 8 MP + Q GND ICMP R UNDERVOLTAGE SENSE+ SWITCHING L LOCKOUT – LOGIC AND ANTI-SHOOT- SW 10 V BLANKING THROUGH OUT V OSC CIRCUIT COUT IN PVIN VIN BG UVSD 7 MN 0.7μA RUN 5 + FCB VIN t = 0.74ms SLEEP 0.15V INTERNAL + – OV SOFT-START IREV – 0.68V BURSTDIS GND RB 11 1μA 0.3V + 0.54V TRACK/SS MUX TRK/SS UV 2 – VFB MODE BURSTDIS 1 BURST DEFEAT I FCB + TH 4 RC + VREF – 0.6V CC EAMP + TRK/SS V – FB 3 RA 38091 FD + SW IREV RICMP – GND 38091fc 8
FUNCTIONAL DIAGRAM
VIN CIN 9 VIN VOLTAGE V 6 IPRG REF SLOPE REFERENCE TG 0.6V CLK S 8 MP + Q GND ICMP R UNDERVOLTAGE SENSE+ SWITCHING L LOCKOUT – LOGIC AND ANTI-SHOOT- SW 10 V BLANKING THROUGH OUT V OSC CIRCUIT COUT IN PVIN VIN BG UVSD 7 MN 0.7μA RUN 5 + FCB VIN t = 0.74ms SLEEP 0.15V INTERNAL + – OV SOFT-START IREV – 0.68V BURSTDIS GND RB 11 1μA 0.3V + 0.54V TRACK/SS MUX TRK/SS UV 2 – VFB MODE BURSTDIS 1 BURST DEFEAT I FCB + TH 4 RC + VREF – 0.6V CC EAMP + TRK/SS V – FB 3 RA 38091 FD + SW IREV RICMP – GND 38091fc 8