Back to browse
LM25119
Wide Input Range, Dual Synchronous Buck Controller, WQFN-32
Schematic Symbol
Pin Configuration (33 pins)
| Pin | Name | Type |
|---|---|---|
| 1 | VCC1 | power_in |
| 2 | LO1 | output |
| 3 | PGND1 | power_in |
| 4 | CSG1 | input |
| 5 | CS1 | input |
| 6 | RAMP1 | input |
| 7 | SS1 | input |
| 9 | FB1 | input |
| 10 | COMP1 | output |
| 30 | HB1 | power_in |
| 31 | HO1 | output |
| 32 | SW1 | bidirectional |
| 11 | EN2 | input |
| 15 | COMP2 | output |
| 16 | FB2 | input |
| 18 | SS2 | input |
| 19 | RAMP2 | input |
| 20 | CS2 | input |
| 21 | CSG2 | input |
| 22 | PGND2 | power_in |
| 23 | LO2 | output |
| 24 | VCC2 | power_in |
| 25 | SW2 | bidirectional |
| 26 | HO2 | output |
| 27 | HB2 | power_in |
| 8 | VCCDIS | input |
| 12 | AGND | power_in |
| 13 | RT | input |
| 14 | RES | output |
| 17 | DEMB | input |
| 28 | UVLO | input |
| 29 | VIN | power_in |
| 33 | EP | unspecified |
Footprint
ConfirmedPackage_DFN_QFN/WQFN-32-1EP_5x5mm_P0.5mm_EP3.1x3.1mm
Pad Layout
—
—
—
—
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
Pads (37)
| Number | Type |
|---|---|
| — | 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 |
