Datasheet LTC3772 (Analog Devices) - 7
| Hersteller | Analog Devices |
| Beschreibung | Micropower No RSENSE Constant Frequency Step-Down DC/DC Controller |
| Seiten / Seite | 20 / 7 — FU CTIO AL DIAGRA |
| Dateiformat / Größe | PDF / 259 Kb |
| Dokumentensprache | Englisch |
FU CTIO AL DIAGRA
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Textversion des Dokuments
LTC3772
U U W FU CTIO AL DIAGRA
SW VIN UNDERVOLTAGE UV SLOPE VOLTAGE BURST 0.8V COMPENSATION LOCKOUT REFERENCE CLAMP + – IPRG 1µA SHUTDOWN CURRENT I COMPARATOR TH/RUN – COMPARATOR 75mV + ILIM ITH + SHDN BUFFER – R S 550kHz RS OSCILLATOR LATCH Q VIN FREQUENCY SLEEP SWITCHING FOLDBACK – COMPARATOR LOGIC AND PGATE SLEEP BLANKING CIRCUIT + 0V OVERVOLTAGE SHORT-CIRCUIT 0.15V COMPARATOR DETECT ERROR – + + – AMPLIFIER 0.225V – 0.88V 0.3V VFB + 0.8V SOFT-START 1.2V RAMP GND 3772 FD 3772f 7
U U W FU CTIO AL DIAGRA
SW VIN UNDERVOLTAGE UV SLOPE VOLTAGE BURST 0.8V COMPENSATION LOCKOUT REFERENCE CLAMP + – IPRG 1µA SHUTDOWN CURRENT I COMPARATOR TH/RUN – COMPARATOR 75mV + ILIM ITH + SHDN BUFFER – R S 550kHz RS OSCILLATOR LATCH Q VIN FREQUENCY SLEEP SWITCHING FOLDBACK – COMPARATOR LOGIC AND PGATE SLEEP BLANKING CIRCUIT + 0V OVERVOLTAGE SHORT-CIRCUIT 0.15V COMPARATOR DETECT ERROR – + + – AMPLIFIER 0.225V – 0.88V 0.3V VFB + 0.8V SOFT-START 1.2V RAMP GND 3772 FD 3772f 7