| Part Number | Description | Compliance | Rds(on) (PD MOSFET ) (Ω) | PWM | fs (kHz) | UVLO Threshold (V) | Features | Package/Pins | Oper. Temp. (°C) | Budgetary Price (See Notes) |
| MAX5986B | IEEE 802.3af/at-Compliant, Powered Device Interface Controllers with Integrated Power MOSFET | IEEE 802.3af | 1.2 | Yes | 214 | 38.6 | Programmable Inrush Current | TQFN/16 | -40 to +85 | $3.41 @1k |
| MAX5986C | IEEE 802.3af/at-Compliant, Powered Device Interface Controllers with Integrated Power MOSFET | IEEE 802.3af | 1.2 | Yes | 430 | 38.6 | Programmable Inrush Current | TQFN/16 | -40 to +85 | $3.42 @1k |
| MAX5987A | IEEE 802.3af/at-Compliant, Powered Device Interface Controllers with Integrated Power MOSFET | IEEE 802.3af | 1.2 | Yes | 214 | 38.6 | Programmable Inrush Current | TQFN/16 | -40 to +85 | $3.49 @1k |
| MAX5991A | IEEE 802.3af/at-Compliant, Powered Device Interface Controllers with Integrated Power MOSFET | IEEE 802.3af | 1.2 | Yes | 430 | 38.6 | Programmable Inrush Current | TQFN/20 | -40 to +85 | $2.80 @1k |
| MAX5991B | IEEE 802.3af/at-Compliant, Powered Device Interface Controllers with Integrated Power MOSFET | IEEE 802.3af | 1.2 | Yes | 430 | 38.6 | Programmable Inrush Current | TQFN/20 | -40 to +85 | $2.80 @1k |
| MAX5988A | IEEE 802.3af/at-Compliant, Powered Device Interface Controllers with Integrated Power MOSFET | IEEE 802.3af ,IEEE 802.3at | 1.2 | No | - | 38.6 | Programmable Inrush Current | TQFN/20 | -40 to +85 | $3.41 @1k |
| MAX5988B | IEEE 802.3af/at-Compliant, Powered Device Interface Controllers with Integrated Power MOSFET | IEEE 802.3af ,IEEE 802.3at | 1.2 | No | - | 38.6 | - | TQFN/20 | -40 to +85 | $3.41 @1k |
| MAX5986A | IEEE 802.3af-Compliant, High-Efficiency, Class 1, Powered Devices with Integrated DC-DC Converter | IEEE 802.3af | 1.2 | Yes | 275 | 38.6 | Current Limit ,Fixed Freq./PWM ,Programmable Inrush Current ,Reset Output | TQFN/16 | -40 to +85 | $3.41 @1k |
| MAX5969D | IEEE 802.3af/at-Compliant, Powered Device Interface Controller with Integrated Power MOSFET | IEEE 802.3af ,IEEE 802.3at | 0.5 | No | - | 35.4 | - | TQFN/16 | -40 to +85 | $3.42 @1k |
| MAX5982A | IEEE 802.3af/at-Compliant, Powered Device Interface Controllers with Integrated 70W High-Power MOSFET | IEEE 802.3af ,IEEE 802.3at | - | No | - | 35.4 | - | TQFN/16 | -40 to +85 | $3.42 @1k |
| MAX5982B | IEEE 802.3af/at-Compliant, Powered Device Interface Controllers with Integrated 70W High-Power MOSFET | IEEE 802.3af ,IEEE 802.3at | - | No | - | 35.4 | - | TQFN/16 | -40 to +85 | $3.42 @1k |
| MAX5982C | IEEE 802.3af/at-Compliant, Powered Device Interface Controllers with Integrated 70W High-Power MOSFET | IEEE 802.3af ,IEEE 802.3at | - | No | - | 35.4 | - | TQFN/16 | -40 to +85 | $3.42 @1k |
| MAX5974E | Current-Mode PWM Controller for Low-Cost Flyback Supplies | - | - | Yes | 600 | 16 | - | TQFN/16 | -40 to +85 | $0.66 @1k |
| MAX5974F | Current-Mode PWM Controller for Low-Cost Flyback Supplies | - | - | Yes | 600 | 8.4 | - | TQFN/16 | -40 to +85 | $1.38 @1k |
| MAX5981A | IEEE 802.3af/at-Compliant, Powered Device Interface Controllers with Integrated Power MOSFET | IEEE 802.3af ,IEEE 802.3at | 0.5 | No | - | 35.4 | Programmable Inrush Current | TQFN/16 | -40 to +85 | $2.39 @1k |
| MAX5981B | IEEE 802.3af/at-Compliant, Powered Device Interface Controllers with Integrated Power MOSFET | IEEE 802.3af ,IEEE 802.3at | 0.5 | No | - | 35.4 | Programmable Inrush Current | TQFN/16 | -40 to +85 | $2.66 @1k |
| MAX5974A | Active-Clamped, Spread-Spectrum, Current-Mode PWM Controller | - | - | Yes | 600 | 16 | Regulation Without Optocoupler | TQFN/16 | -40 to +85 | $0.75 @1k |
| MAX5974B | Active-Clamped, Spread-Spectrum, Current-Mode PWM Controller | - | - | Yes | 600 | 8.4 | Regulation Without Optocoupler | TQFN/16 | -40 to +85 | $1.84 @1k |
| MAX5974C | Active-Clamped, Spread-Spectrum, Current-Mode PWM Controller | - | - | Yes | 600 | 16 | - | TQFN/16 | -40 to +85 | $0.83 @1k |
| MAX5974D | Active-Clamped, Spread-Spectrum, Current-Mode PWM Controller | - | - | Yes | 600 | 8.4 | - | TQFN/16 | -40 to +85 ,-40 to +125 | $1.84 @1k |
| MAX5969A | IEEE 802.3af/at-Compliant, Powered Device Interface Controllers with Integrated Power MOSFET | IEEE 802.3af ,IEEE 802.3at | 0.5 | No | - | 35.4 | Programmable Inrush Current | TDFN-EP/10 | -40 to +85 | $1.90 @1k |
| MAX5969B | IEEE 802.3af/at-Compliant, Powered Device Interface Controllers with Integrated Power MOSFET | IEEE 802.3af ,IEEE 802.3at | 0.5 | No | - | 38.6 | Programmable Inrush Current | TDFN-EP/10 | -40 to +85 | $1.90 @1k |
| MAX5940A | IEEE 802.3af PD Interface Controller for Power-over-Ethernet | IEEE 802.3af | 0.6 | No | - | 35.4 | Programmable Inrush Current | SOIC(N)/8 | -40 to +85 | $2.47 @1k |
| MAX5940B | IEEE 802.3af PD Interface Controller for Power-over-Ethernet | IEEE 802.3af | 0.6 | No | - | - | Programmable Inrush Current ,Programmable UVLO | SOIC(N)/8 | -40 to +85 | $2.48 @1k |
| MAX5940C | IEEE 802.3af PD Interface Controller for Power-over-Ethernet | IEEE 802.3af | 0.6 | No | - | 35.4 | Programmable Inrush Current | See Data Sheet | -40 to +85 | - |
| MAX5940D | IEEE 802.3af PD Interface Controller for Power-over-Ethernet | IEEE 802.3af | 0.6 | No | - | - | Programmable Inrush Current ,Programmable UVLO | See Data Sheet | -40 to +85 | - |
| MAX5941A | IEEE 802.3af Power-Over-Ethernet Interface/PWM Controller for Powered Devices | IEEE 802.3af | 0.6 | Yes | 275 | - | 85% Max. Duty Cycle ,Programmable Inrush Current ,Programmable UVLO | SOIC(N)/16 | -40 to +85 | $3.34 @1k |
| MAX5941B | IEEE 802.3af Power-Over-Ethernet Interface/PWM Controller for Powered Devices | IEEE 802.3af | 0.6 | Yes | 275 | - | 50% Max. Duty Cycle ,Programmable Inrush Current ,Programmable UVLO | SOIC(N)/16 | -40 to +85 | $3.34 @1k |
| MAX5942A | IEEE 802.3af Power-Over-Ethernet Interface/PWM Controller for Powered Devices | IEEE 802.3af | 0.6 | Yes | 275 | - | 85% Max. Duty Cycle ,Programmable Inrush Current ,Programmable UVLO | SOIC(N)/16 | -40 to +85 | $3.11 @1k |
| MAX5942B | IEEE 802.3af Power-Over-Ethernet Interface/PWM Controller for Powered Devices | IEEE 802.3af | 0.6 | Yes | 275 | - | 50% Max. Duty Cycle ,Programmable Inrush Current ,Programmable UVLO | SOIC(N)/16 | -40 to +85 | $3.11 @1k |
