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LTC7810
150V dual 2-phase synchronous step-down DC/DC controller, LQPF-48
Schematic Symbol
Pin Configuration (34 pins)
| Pin | Name | Type |
|---|---|---|
| 1 | SENSE1- | input |
| 2 | DRVSET | input |
| 3 | INTVcc | power_out |
| 4 | PLLIN/SPREAD | input |
| 5 | SGND | power_in |
| 6 | FREQ | input |
| 7 | REGSD | passive |
| 8 | MODE | input |
| 9 | OVLO | input |
| 10 | NDRV | output |
| 11 | EXTVcc | power_in |
| 12 | SENSE2- | input |
| 13 | SENSE2+ | input |
| 14 | VFB2 | input |
| 15 | ITH2 | passive |
| 16 | TRACK/SS2 | input |
| 19 | TG2 | output |
| 20 | SW2 | output |
| 21 | BOOST2 | output |
| 24 | BG2 | output |
| 25 | PGND | power_in |
| 26 | DRVcc | power_out |
| 29 | RUN2 | input |
| 32 | RUN1 | input |
| 35 | Vin | power_in |
| 37 | BG1 | output |
| 40 | BOOST1 | output |
| 41 | SW1 | output |
| 42 | TG1 | output |
| 45 | TRACK/SS1 | input |
| 46 | ITH1 | passive |
| 47 | VFB1 | input |
| 48 | SENSE1+ | input |
| 49 | SGND | power_in |
Footprint
ConfirmedPackage_QFP/LQFP-48-1EP_7x7mm_P0.5mm_EP3.6x3.6mm
Pad Layout
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49
Pads (58)
| Number | Type |
|---|---|
| — | smd |
| — | smd |
| — | smd |
| — | 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 | smd |
| 30 | smd |
| 31 | smd |
| 32 | smd |
| 33 | smd |
| 34 | smd |
| 35 | smd |
| 36 | smd |
| 37 | smd |
| 38 | smd |
| 39 | smd |
| 40 | smd |
| 41 | smd |
| 42 | smd |
| 43 | smd |
| 44 | smd |
| 45 | smd |
| 46 | smd |
| 47 | smd |
| 48 | smd |
| 49 | smd |