5V DC to DC Single Output Power Supply for Power Over Ethernet
Reference Design using part MAX5974D by Analog Devices
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For End Products
- IP Phone
- PoE Security Camera
- PoE Wireless Access Point
- Power Over Ethernet
Description
- Reference design is for a highly efficient, flyback, 5V Class 3 powered device with a wide 9V to 57V auxiliary input. The design features the MAX5969B as its controller. The design also uses the MAX5974D, which controls current-mode PWM converters and provides frequency foldback for both the auxiliary input and power over Ethernet applications
Key Features
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Conversion TypeDC to DC
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Input Voltage9 to 57 V
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Output Voltage5 V
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Output Current2.6 A
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Efficiency87.4 %
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TopologyFlyback
Featured Parts (3)
| Part Number | Manufacturer | Type | Description | |||
|---|---|---|---|---|---|---|
|
MAX5969BETB+T | Analog Devices | Interface Controllers | Powered Device Interface Controller 10-Pin TDFN EP T/R | Buy | |
|
|
MAX5969BETB+ | Analog Devices | Interface Controllers | Powered Device Interface Controller 10-Pin TDFN EP T/R | Buy | |
|
MAX5974DETE+T | Analog Devices | PWM and Resonant Controllers | Current Mode PWM Controller 1A 100kHz to 600kHz 16-Pin TQFN EP T/R | Buy | |