onsemi FAN53555UC042X
MPNFAN53555UC042X
End of Life
SWITCHING REGULATOR, VOLTAGE-MOD
$0.43Ref. price · indicative, final on quote
Packaging20-UFBGA, WLCSP
SeriesTinyBuck®
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Specifications
| Parameter | Value |
|---|---|
| Series | TinyBuck® |
| Output type | Programmable |
| Mounting | Surface Mount |
| Voltage - input | 5.5V |
| Voltage - output | 1.41V |
| Voltage - output (Min (Fixed)) | 0.603V |
| Output current | 5A |
| Frequency - switching | 2.4MHz |
| I/O channels | 1 |
| Operating temperature | -40°C ~ 85°C (TA) |
| Package | Bulk |
| Function | Step-Down |
| Topology | Buck |
| Case | 20-UFBGA, WLCSP |
| Output configuration | Positive |
| Synchronous rectifier | Yes |