Datasheet LTC3809-1 (Analog Devices) - 8
| Hersteller | Analog Devices |
| Beschreibung | No RSENSE , Low Input Voltage, Synchronous DC/DC Controller with Output Tracking |
| Seiten / Seite | 24 / 8 — FUNCTIONAL DIAGRAM |
| Dateiformat / Größe | PDF / 267 Kb |
| Dokumentensprache | Englisch |
FUNCTIONAL DIAGRAM
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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