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LTC3892-2
60V dual 2-phase synchronous step-down DC/DC controller, pulse-skipping, QFN-32
Schematic Symbol
Pin Configuration (33 pins)
| Pin | Name | Type |
|---|---|---|
| 1 | FREQ | input |
| 2 | PLLIN/MODE | input |
| 3 | PGOOD1 | output |
| 4 | PGOOD2 | output |
| 5 | INTVcc | power_out |
| 6 | RUN1 | input |
| 7 | RUN2 | input |
| 8 | ILIM | input |
| 9 | SENSE2- | input |
| 10 | SENSE2+ | input |
| 11 | VFB2 | input |
| 12 | ITH2 | passive |
| 13 | DRVUV | input |
| 14 | DRVSET | input |
| 15 | TRACK/SS2 | input |
| 16 | TG2 | output |
| 17 | SW2 | output |
| 18 | BOOST2 | output |
| 19 | BG2 | output |
| 20 | DRVcc | power_out |
| 21 | EXTVcc | power_in |
| 22 | Vin | power_in |
| 23 | BG1 | output |
| 24 | BOOST1 | output |
| 25 | SW1 | output |
| 26 | TG1 | output |
| 27 | TRACK/SS1 | input |
| 28 | VPRG1 | passive |
| 29 | ITH1 | passive |
| 30 | VFB1 | input |
| 31 | SENSE1+ | input |
| 32 | SENSE1- | input |
| 33 | GND | power_in |
Footprint
ConfirmedPackage_DFN_QFN/QFN-32-1EP_5x5mm_P0.5mm_EP3.45x3.45mm
Pad Layout
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1
2
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5
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8
9
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11
12
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14
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21
22
23
24
25
26
27
28
29
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31
32
33
Pads (42)
| 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 |