This data brief introduces the features of the STEVAL-ISA042V2 1.5 A / 3.3 V step-down DC-DC converter demonstration board.
The STEVAL-ISA042V2 is a demonstration board featuring an adjustable current-mode PWM step-down DC-DC converter based on the ST1S03 device. It is optimized for powering low-voltage digital cores in HDD applications and replacing high-current linear solutions where power dissipation causes excessive heating. The board provides up to 1.5 A of output current over an input voltage range of 3 V to 16 V.
| Output voltage | 3.3 V |
|---|---|
| Output current | 1.5 A |
| Input voltage range | 3 V to 16 V |
| Switching frequency | 1.5 MHz |
| Base device | ST1S03 |
The device provides an output of 3.3 V at up to 1.5 A.
It operates over an input voltage range of 3 V to 16 V.
The board uses a high switching frequency of 1.5 MHz.