Datasheet LTC3822 (Analog Devices) - 7
| Hersteller | Analog Devices |
| Beschreibung | No RSENSE , Low Input Voltage, Synchronous Step-Down DC/DC Controller |
| Seiten / Seite | 20 / 7 — FUNCTIONAL DIAGRAM |
| Dateiformat / Größe | PDF / 209 Kb |
| Dokumentensprache | Englisch |
FUNCTIONAL DIAGRAM
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LTC3822
FUNCTIONAL DIAGRAM
DB VIN C C B 4 V IN IN SENSE – 3 BOOST IPRG VOLTAGE VREF SLOPE TG REFERENCE 0.6V 7 CLK S 2 M2 + Q GND ICMP R UNDERVOLTAGE SENSE+ SWITCHING SW L LOCKOUT – LOGIC AND ANTI-SHOOT- 5 V BLANKING THROUGH OUT V C IN CIRCUIT OUT BOOST VIN BG UVSD 1 M1 RUN 0.7μA GND BG 10 BOOST 11 REFRESH t = 650μs CLK TIMEOUT INTERNAL + SW SOFT-START IREV RICMP TRK/SS – GND + + FREQ OV 6 OSC CLK – – 0.68V RB + 0.54V UV – VFB ITH 9 RC EAMP VREF + 0.6V CC + TRK/ VFB SS – 8 RA 3822 FD 3822fa 7
FUNCTIONAL DIAGRAM
DB VIN C C B 4 V IN IN SENSE – 3 BOOST IPRG VOLTAGE VREF SLOPE TG REFERENCE 0.6V 7 CLK S 2 M2 + Q GND ICMP R UNDERVOLTAGE SENSE+ SWITCHING SW L LOCKOUT – LOGIC AND ANTI-SHOOT- 5 V BLANKING THROUGH OUT V C IN CIRCUIT OUT BOOST VIN BG UVSD 1 M1 RUN 0.7μA GND BG 10 BOOST 11 REFRESH t = 650μs CLK TIMEOUT INTERNAL + SW SOFT-START IREV RICMP TRK/SS – GND + + FREQ OV 6 OSC CLK – – 0.68V RB + 0.54V UV – VFB ITH 9 RC EAMP VREF + 0.6V CC + TRK/ VFB SS – 8 RA 3822 FD 3822fa 7