TPS5403DR
Texas Instruments TPS5403DR
MPNTPS5403DR
End of Life
IC REG BUCK 3.3V 1.7A 8SOIC
$0.82008Price · pay online now
Packaging8-SOIC (0.154", 3.90mm Width)
RoHSROHS3 Compliant
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Sep 2026
Specifications
| Parameter | Value |
|---|---|
| Output type | Fixed |
| Mounting | Surface Mount |
| Voltage - input | 4.5V |
| Voltage - output (Min (Fixed)) | 3.3V |
| Output current | 1.7A |
| Frequency - switching | 50kHz ~ 1.1MHz |
| I/O channels | 1 |
| Operating temperature | -40°C ~ 85°C (TA) |
| Package | Tape & Reel (TR); Cut Tape (CT) |
| Function | Step-Down |
| Topology | Buck |
| Case | 8-SOIC (0.154\", 3.90mm Width) |
| Output configuration | Positive |
| Synchronous rectifier | No |