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LT8705AxFE
Synchronous 4-Switch Buck-Boost DC/DC Controller, 2.8..80V VIN, 1.3..80V VOUT, 100-400kHz, HTSSOP-38(31)
Schematic Symbol
Pin Configuration (32 pins)
| Pin | Name | Type |
|---|---|---|
| 1 | INTVCC | power_out |
| 2 | MODE | input |
| 3 | IMON_IN | passive |
| 4 | ~{SHDN} | input |
| 5 | CSN | input |
| 6 | CSP | input |
| 7 | LDO33 | power_out |
| 8 | FBIN | input |
| 9 | FBOUT | input |
| 10 | IMON_OUT | passive |
| 11 | VC | output |
| 12 | SS | input |
| 13 | CLKOUT | output |
| 14 | SYNC | input |
| 15 | RT | input |
| 16 | GND | power_in |
| 17 | BG1 | output |
| 18 | GATEVCC | power_in |
| 19 | BG2 | output |
| 20 | BOOST2 | passive |
| 21 | TG2 | output |
| 22 | SW2 | power_out |
| 24 | SW1 | power_out |
| 26 | TG1 | output |
| 28 | BOOST1 | passive |
| 30 | EXTVCC | power_in |
| 32 | CSNOUT | input |
| 34 | CSPOUT | input |
| 36 | CSNIN | input |
| 37 | CSPIN | input |
| 38 | VIN | power_in |
| 39 | GND | passive |
Footprint
ConfirmedPackage_SO/Linear_HTSSOP-31-38-1EP_4.4x9.7mm_P0.5mm_EP2.74x4.75mm_ThermalVias
Pad Layout
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39
Pads (54)
| 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 |
| 24 | smd |
| 26 | smd |
| 28 | smd |
| 30 | smd |
| 32 | smd |
| 34 | smd |
| 36 | smd |
| 37 | smd |
| 38 | smd |
| 39 | thru hole |
| 39 | thru hole |
| 39 | thru hole |
| 39 | thru hole |
| 39 | thru hole |
| 39 | thru hole |
| 39 | thru hole |
| 39 | thru hole |
| 39 | smd |
| 39 | smd |
| 39 | thru hole |
| 39 | thru hole |
| 39 | thru hole |
| 39 | thru hole |
| 39 | thru hole |
| 39 | thru hole |
| 39 | thru hole |