SLVU380A September 2010 – October 2021 TPS54320
A summary of the TPS54320 performance specifications is provided in Table 1-2. Specifications are given for an input voltage of 12 V and an output voltage of 3.3 V, unless otherwise specified. The TPS54320 is designed and tested for VIN = 8 V to 17 V with the VIN and PVIN pins connect together with the JP1 jumper. The ambient temperature is 25°C for all measurements, unless otherwise noted.
| SPECIFICATION | TEST CONDITIONS | MIN | TYP | MAX | UNIT | ||
|---|---|---|---|---|---|---|---|
| VIN voltage range (PVIN = VIN) | 8 | 12 | 17 | V | |||
| VIN start voltage | 6.806 | V | |||||
| VIN stop voltage | 4.824 | V | |||||
| Output voltage set point | 3.3 | V | |||||
| Output current range | VIN = 8 V to 17 V | 0 | 3 | A | |||
| Line regulation | IO = 3 A, VIN = 8 V to 17 V | ± 0.02 | % | ||||
| Load regulation | VIN = 12 V, IO = 0 A to 3 A | ± 0.02 | % | ||||
| Load transient response | IO = 0.75 A to 1.5 A | Voltage change | 90 | mV | |||
| Recovery time | 70 | μs | |||||
| IO = 1.5 A to 0.75 A | Voltage change | 80 | mV | ||||
| Recovery time | 70 | μs | |||||
| Loop bandwidth | VIN = 12 V, IO = 3 A | 32.1 | kHz | ||||
| Phase margin | VIN = 12 V , IO = 3 A | 82 | ° | ||||
| Input ripple voltage | IO = 3 A | 480 | mVPP | ||||
| Output ripple voltage | IO = 3 A | 10 | mVPP | ||||
| Output rise time | 3.5 | ms | |||||
| Operating frequency | 480 | kHz | |||||
| Maximum efficiency | TPS54320EVM-513, VIN = 8 V, IO = 0.9 A | 94.9 | % | ||||