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LT8391xFE
60V Synchronous 4-Switch Buck-Boost LED Controller, TSSOP-28
Schematic Symbol
Pin Configuration (29 pins)
| Pin | Name | Type |
|---|---|---|
| 1 | BG1 | output |
| 2 | BST1 | passive |
| 3 | SW1 | passive |
| 4 | TG1 | output |
| 5 | LSP | input |
| 6 | LSN | input |
| 7 | VIN | power_in |
| 8 | INTVCC | power_out |
| 9 | EN/UVLO | input |
| 10 | RP | input |
| 11 | PWM | input |
| 12 | VREF | power_out |
| 13 | CTRL1 | input |
| 14 | ISP | input |
| 15 | ISN | input |
| 16 | CTRL2 | input |
| 17 | ~{FAULT} | open_collector |
| 18 | SS | passive |
| 19 | FB | input |
| 20 | VC | passive |
| 21 | RT | passive |
| 22 | SYNC/SPRD | input |
| 23 | PWMTG | output |
| 24 | VOUT | power_in |
| 25 | TG2 | output |
| 26 | SW2 | passive |
| 27 | BST2 | passive |
| 28 | BG2 | output |
| 29 | GND | power_in |
Footprint
ConfirmedPackage_SO/TSSOP-28-1EP_4.4x9.7mm_P0.65mm_EP2.74x4.75mm_ThermalVias
Pad Layout
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29
Pads (48)
| Number | Type |
|---|---|
| — | smd |
| — | smd |
| — | smd |
| — | smd |
| — | smd |
| — | smd |
| 1 | smd |
| 2 | smd |
| 3 | smd |
| 4 | smd |
| 5 | smd |
| 6 | smd |
| 7 | smd |
| 8 | smd |
| 9 | smd |
| 10 | smd |
| 11 | smd |
| 12 | smd |
| 13 | smd |
| 14 | smd |
| 15 | smd |
| 16 | smd |
| 17 | smd |
| 18 | smd |
| 19 | smd |
| 20 | smd |
| 21 | smd |
| 22 | smd |
| 23 | smd |
| 24 | smd |
| 25 | smd |
| 26 | smd |
| 27 | smd |
| 28 | smd |
| 29 | thru hole |
| 29 | thru hole |
| 29 | thru hole |
| 29 | thru hole |
| 29 | thru hole |
| 29 | thru hole |
| 29 | smd |
| 29 | smd |
| 29 | thru hole |
| 29 | thru hole |
| 29 | thru hole |
| 29 | thru hole |
| 29 | thru hole |
| 29 | thru hole |