STEVAL-ISA070V1 is a 3A/1.5MHz step-down synchronous switching regulator based on the ST1S31. It features a 4A peak output current, 2.8V to 5.5V input voltage range, adjustable 0.8V output voltage, and 1.5MHz switching frequency.
The STEVAL-ISA070V1 is a demonstration board based on the ST1S31, an internally compensated 1.5 MHz fixed-frequency PWM synchronous step-down regulator. The device operates from a 2.8 V to 5.5 V input voltage and regulates an output voltage adjustable from 0.8 V up to the input voltage.
| Peak output current | 4 A |
|---|---|
| Input voltage range | 2.8 V to 5.5 V |
| Output voltage range | 0.8 V to Vin |
| Switching frequency | 1.5 MHz |
| Power MOSFETs | Integrated 60 mΩ and 45 mΩ |
The device supports a peak output current of 4 A.
This regulator operates from an input voltage range of 2.8 V to 5.5 V.
The output voltage is adjustable down to a minimum of 0.8 V.