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LT4295xUFD
IEEE 802.3bt PD Interface with Forward/Flyback Controller, QFN-28
Schematic Symbol
Pin Configuration (29 pins)
| Pin | Name | Type |
|---|---|---|
| 1 | GND | power_in |
| 2 | AUX | input |
| 3 | RCLASS++ | passive |
| 4 | RCLASS | passive |
| 5 | T2P | open_collector |
| 6 | VCC | power_in |
| 7 | VCC | passive |
| 8 | VCC | passive |
| 9 | VCC | passive |
| 10 | ROSC | passive |
| 11 | SFST | passive |
| 12 | FSSDLY | input |
| 13 | ITHB | input |
| 14 | FB31 | passive |
| 15 | RLDCMP | passive |
| 16 | ISEN- | passive |
| 17 | ISEN+ | passive |
| 18 | SG | output |
| 19 | GND | passive |
| 20 | PG | output |
| 21 | VCC | power_in |
| 22 | DNC | no_connect |
| 23 | SWVCC | output |
| 24 | VIN | power_in |
| 25 | HSSRC | input |
| 26 | HSGATE | output |
| 27 | NC | no_connect |
| 28 | VPORT | input |
| 29 | GND | passive |
Footprint
ConfirmedPackage_DFN_QFN/QFN-28-1EP_4x5mm_P0.5mm_EP2.65x3.65mm
Pad Layout
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Pads (35)
| Number | Type |
|---|---|
| — | smd |
| — | smd |
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| — | smd |
| — | smd |
| — | smd |
| 1 | smd |
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| 25 | smd |
| 26 | smd |
| 27 | smd |
| 28 | smd |
| 29 | smd |