LMR33640ADDA
Regulator_Switching
Simple Switcher Synchronous Buck Regulator, Vin=3.8-36V, Iout=4A, F=400kHz, Adjustable output voltage, HSOP-8
Symbol
9 pins
- Units
- 1
- Kind
- part
- Grid
- on 1.27 mm
Footprint
9 pads
- Library
- Package_SO
- Mount
- smd
- Courtyard
- 7.5 × 5.5 mm
- Link
- exact
- Footprint page
- Open →
3D model
noneno 3D model
The footprint references no model, or the referenced model is not in the upstream package set.
Pins and pads
Every pin on the symbol has a pad on the footprint.
| Pin | Name | Type | Pad |
|---|---|---|---|
| 1 | GND | power_in | 1 |
| 2 | VIN | power_in | 2 |
| 3 | EN | input | 3 |
| 4 | PG | open_collector | 4 |
| 5 | FB | input | 5 |
| 6 | VCC | power_out | 6 |
| 7 | BOOT | input | 7 |
| 8 | SW | output | 8 |
| 9 | GND | passive | 9 |
On real boards
20+ designs use this part
20 carry its footprint on a board, and no other part in the catalog uses that footprint. Largest first.
- PolySynthby footprint
- Lab Exp Control Boardby footprint
- ClimateSprinklerController BOARD4by footprint
- Competence Center Illertal E V RocciBoard PCBby footprint
- Lab Exp Control Board BOARD3by footprint
- Grippyboiby footprint
- ClimateSprinklerController BOARD5by footprint
- ClimateSprinklerControllerby footprint
- ClimateSprinklerController BOARD3by footprint
- Motorsport PUTM EV BMS LVby footprint
- Sailor Hat for Raspberry Piby footprint
- KiCad BOARD3by footprint
- KICAD PCBs BOARD4by footprint
- KiCAD Projects BOARD3by footprint
- ClimateSprinklerController BOARD2by footprint
- Solar PS PumpControllerby footprint
- EEE3088F 2025 BOARD4by footprint
- KICAD PCBs BOARD18by footprint
- Cow Powers Better Lamp Controller BOARD2by footprint
- EEE3088F 2025 BOARD2by footprint
Provenance
- Source
- kicad-symbols
- Credit
- KiCad Libraries Contributors
- Licence
- CC-BY-SA-4.0-with-KiCad-exception
- Link method
- exact
- Cross-check
- passed