Datasheet LTC3772B (Analog Devices) - 7
| 制造商 | Analog Devices |
| 描述 | Micropower No RSENSE Constant Frequency Step-Down DC/DC Controller |
| 页数 / 页 | 20 / 7 — FU CTIO AL DIAGRA |
| 文件格式/大小 | PDF / 331 Kb |
| 文件语言 | 英语 |
FU CTIO AL DIAGRA
该数据表的模型线
文件文字版本
LTC3772B
U U W FU CTIO AL DIAGRA
SW VIN UNDERVOLTAGE UV SLOPE VOLTAGE 0.8V COMPENSATION LOCKOUT REFERENCE + – IPRG 1.2µA SHUTDOWN CURRENT I COMPARATOR TH/RUN – COMPARATOR + ILIM ITH + SHDN BUFFER – R S 550kHz RS OSCILLATOR LATCH Q VIN FREQUENCY SWITCHING FOLDBACK LOGIC AND PGATE BLANKING CIRCUIT 0V OVERVOLTAGE SHORT-CIRCUIT COMPARATOR DETECT ERROR – + + – AMPLIFIER – 0.88V 0.3V VFB + 0.8V + SOFT-START 1.2V RAMP GND 3772B FD 3772bfa 7
U U W FU CTIO AL DIAGRA
SW VIN UNDERVOLTAGE UV SLOPE VOLTAGE 0.8V COMPENSATION LOCKOUT REFERENCE + – IPRG 1.2µA SHUTDOWN CURRENT I COMPARATOR TH/RUN – COMPARATOR + ILIM ITH + SHDN BUFFER – R S 550kHz RS OSCILLATOR LATCH Q VIN FREQUENCY SWITCHING FOLDBACK LOGIC AND PGATE BLANKING CIRCUIT 0V OVERVOLTAGE SHORT-CIRCUIT COMPARATOR DETECT ERROR – + + – AMPLIFIER – 0.88V 0.3V VFB + 0.8V + SOFT-START 1.2V RAMP GND 3772B FD 3772bfa 7