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| PartNumber | MAX16021LTEM+ | MAX16021LTEL+ | MAX16021LTEL+T |
| Description | Supervisory Circuits uPwr w/Bat-Backup 4.428V | Supervisory Circuits uPwr w/Bat-Backup 4.6894V | Supervisory Circuits uPwr w/Bat-Backup 4.6894V |
| Manufacturer | Maxim Integrated | Maxim Integrated | Maxim Integrated |
| Product Category | Supervisory Circuits | Supervisory Circuits | PMIC - Supervisors |
| RoHS | Y | Y | - |
| Type | Voltage Supervisory | Voltage Supervisory | Simple Reset/Power-On Reset |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | TQFN-EP-16 | TQFN-EP-16 | - |
| Threshold Voltage | 4.428 V | 4.684 V | - |
| Number of Inputs Monitored | 1 Input | 1 Input | - |
| Output Type | Active High, Active Low, Open Drain, Push-Pull | Active High, Active Low, Open Drain, Push-Pull | - |
| Manual Reset | Manual Reset | Manual Reset | - |
| Watchdog Timers | Watchdog | Watchdog | - |
| Battery Backup Switching | Backup | Backup | - |
| Reset Delay Time | 215 ms | 215 ms | - |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Series | MAX16021L | MAX16021L | MAX16021L |
| Packaging | Tube | Tube | Tape & Reel (TR) Alternate Packaging |
| Brand | Maxim Integrated | Maxim Integrated | - |
| Overvoltage Threshold | 4.585 V | 4.852 V | - |
| Undervoltage Threshold | 4.275 V | 4.52 V | - |
| Operating Supply Current | 1.2 uA | 1.2 uA | - |
| Pd Power Dissipation | 2 W | 2 W | - |
| Power Fail Detection | Yes | Yes | - |
| Product Type | Supervisory Circuits | Supervisory Circuits | - |
| Factory Pack Quantity | 75 | 75 | - |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | - |
| Supply Voltage Min | 1.53 V | 1.53 V | - |
| Part # Aliases | MAX16021L | MAX16021L | MAX16021L |
| Package Case | - | - | TQFN-16 |
| Operating Temperature | - | - | -40°C ~ 85°C (TA) |
| Mounting Type | - | - | Surface Mount |
| Supplier Device Package | - | - | 16-TQFN (4x4) |
| Output | - | - | Push-Pull, Totem Pole |
| Reset | - | - | Active High/Active Low |
| Number of Voltages Monitored | - | - | 1 |
| Reset Timeout | - | - | 145 ms Minimum |
| Voltage Threshold | - | - | 4.684V |