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| PartNumber | MAX5991BETP+ | MAX5991BETP+T | MAX5991BETE+ |
| Description | Power Management Specialized - PMIC IEEE 802.3af-Compliant, High-Efficiency, Class 1/Class 2,Powered Devices | Power Management Specialized - PMIC IEEE 802.3af-Compliant, High-Efficiency, Class 1/Class 2,Powered Devices | PMIC Solutions POWERED DEVICE (PD) w/ ING REGULATOR |
| Manufacturer | Maxim Integrated | Maxim Integrated | Maxim Integrated |
| Product Category | Power Management Specialized - PMIC | Power Management Specialized - PMIC | PMIC - Power Over Ethernet (PoE) Controllers |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | TQFN-EP-20 | - | - |
| Series | MAX5991B | MAX5991B | MAX5991B |
| Brand | Maxim Integrated | Maxim Integrated | - |
| Product Type | Power Management Specialized - PMIC | Power Management Specialized - PMIC | - |
| Factory Pack Quantity | 75 | 2500 | - |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | - |
| Packaging | - | Reel | Tube |
| Type | - | - | Controller (PD), DC/DC |
| Package Case | - | - | - |
| Operating Temperature | - | - | -40°C ~ 85°C |
| Number of Channels | - | - | 1 |
| Voltage Supply | - | - | 8.7 V ~ 60 V |
| Supplier Device Package | - | - | - |
| Current Supply | - | - | 4.8mA |
| Standards | - | - | 802.3af (PoE) |
| Internal Switch s | - | - | Yes |
| Power Max | - | - | 6.49W |
| Auxiliary Sense | - | - | Yes |
| Part # Aliases | - | - | MAX5991B |