SLVU578A December 2011 – September 2021 TPS54428
A summary of the TPS54428 evaluation module performance specifications is provided in Table 2-1. Specifications are given for an input voltage of VIN = 12 V and an output voltage of 1.05 V, unless otherwise noted. The ambient temperature is 25°C for all measurement, unless otherwise noted.
| SPECIFICATIONS | TEST CONDITIONS | MIN | TYP | MAX | UNIT | |
|---|---|---|---|---|---|---|
| Input voltage range (VIN) | 4.5 | 12 | 18 | V | ||
| Output voltage (VOUT) | 1.05 | V | ||||
| Operating frequency | VIN = 12 V, IOUT = 2 A | 650 | kHz | |||
| Output current range | 0 | 4 | A | |||
| Line regulation | IO = 2.5 A | +/- 0.33 | % | |||
| Load regulation | VIN = 12 V | +0.9/- 0.1 | % | |||
| Overcurrent limit | VIN = 12 V, L = 1.5 μH | 4.6 | 5.3 | 6.8 | A | |
| Output ripple voltage | VIN = 12 V, IOUT = 4A | 15 | mVPP | |||
| Maximum efficiency | VIN = 5 V, IOUT= 0.7 A | 88 | % | |||