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TPS54331 Buck Regulator
TPS54331
Texas Instrumentspower regulator
The TPS54331 is a 28V, 3A buck regulator that integrates an 80mΩ high-side MOSFET for efficient power supply designs.
In stock
Specifications
8- Operating Voltage
- 3.5V to 28V
- Supply Current
- 1μA (shutdown) (typical)
- Interface
- PWM, ADC
- Resolution
- ±2% initial accuracy, ±3.5% over temperature (voltage reference)
- Range
- 0.8V to 28V (output voltage)
- Accuracy
- ±3.5% over temperature (voltage reference)
- Temperature Range
- -40°C to 150°C (operating junction temperature)
- Package
- SOIC8, SO PowerPAD
Pinout
8| Pin | Name | Functions | Notes |
|---|---|---|---|
| BOOT | Bootstrap capacitor connection | POWER | Required for gate-drive voltage |
| VIN | Input voltage | POWER | 3.5V to 28V input range |
| EN | Enable pin | GPIO | Pull below 1.25V to disable, float to enable |
| SS | Slow-start pin | GPIO | External capacitor sets output rise time |
| PH | High-side power MOSFET source | POWER | Internal high-side power MOSFET |
| GND | Ground | GND | |
| COMP | Error amplifier output and PWM comparator input | PWM | |
| VSENSE | Inverting node of the transconductance (gm) error amplifier | ADC |
Interactive pinout
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TPS54331
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