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| PartNumber | BU4820F-TR | BU4820FVE-TR | BU4820F-STR |
| Description | Supervisory Circuits IC CMOS VOLT DETECT | Supervisory Circuits IC CMOS VOLT DETECT | |
| Manufacturer | ROHM Semiconductor | ROHM Semiconductor | - |
| Product Category | Supervisory Circuits | Supervisory Circuits | - |
| RoHS | Y | Y | - |
| Type | Voltage Detectors | Voltage Detectors | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | SOP-4 | HVSOF-5 | - |
| Threshold Voltage | 2 V | 2 V | - |
| Number of Inputs Monitored | 1 Input | 1 Input | - |
| Output Type | Open Drain | Open Drain | - |
| Manual Reset | No Manual Reset | No Manual Reset | - |
| Watchdog Timers | No Watchdog | No Watchdog | - |
| Battery Backup Switching | No Backup | No Backup | - |
| Reset Delay Time | No | - | - |
| Supply Voltage Max | 7 V | 7 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 125 C | + 125 C | - |
| Quiescent Current | 0.35 uA | - | - |
| Accuracy | 1 % | 1 % | - |
| Series | BU4820F | BU4820FVE | - |
| Packaging | Reel | Reel | - |
| Brand | ROHM Semiconductor | ROHM Semiconductor | - |
| Overvoltage Threshold | 2.02 V | - | - |
| Undervoltage Threshold | 1.98 V | - | - |
| Chip Enable Signals | No Chip Enable | - | - |
| Development Kit | - | - | - |
| Operating Supply Current | 550 nA | 550 nA | - |
| Pd Power Dissipation | 400 mW | 210 mW | - |
| Power Fail Detection | No | - | - |
| Product Type | Supervisory Circuits | Supervisory Circuits | - |
| Factory Pack Quantity | 3000 | 3000 | - |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | - |
| Supply Voltage Min | 0.7 V | 0.9 V | - |
| Part # Aliases | BU4820F | BU4820FVE | - |