
Texas Instruments LM5145QRGYRQ1
MPNLM5145QRGYRQ1
End of Life
AUTOMOTIVE 75-V SYNCHRONOUS BUCK
$5.81124Price · pay online now
$5.81 / ea
3 in stock — maximum per order · 3–4 days lead time
Packaging20-VFQFN Exposed Pad
RoHSNot applicable
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Sep 2026
Specifications
| Parameter | Value |
|---|---|
| Output type | Transistor Driver |
| Mounting | Surface Mount, Wettable Flank |
| Voltage - supply (Vcc (Vdd)) | 5.5V ~ 75V |
| Frequency - switching | 100kHz ~ 1MHz |
| I/O channels | 1 |
| Output phases | 1 |
| Duty cycle | 99% |
| Operating temperature | -40°C ~ 150°C (TJ) |
| Grade | Automotive |
| Package | Tape & Reel (TR); Cut Tape (CT) |
| Function | Step-Down |
| Topology | Buck |
| Clock sync | Yes |
| Qualification | AEC-Q100 |
| Case | 20-VFQFN Exposed Pad |
| Control features | Current Limit, Enable, Frequency Control, Phase Control, Power Good, Ramp, Soft Start |
| Output configuration | Positive |
| Synchronous rectifier | Yes |