The STEVAL-ISA083V1 is a demonstration board for an 800 kHz fixed-frequency PWM synchronous step-down converter based on the ST1S40IPUR. It features a peak output current of 4A, enable on/off based on the ST1S40IPUR, and short-circuit protection.
The document describes the STEVAL-ISA083V1, an internally compensated 800 kHz fixed-frequency PWM synchronous step-down converter demonstration board. It is based on the ST1S40IPUR controller and includes enable on/off functionality.
Key features include an input voltage range of 4 V to 18 V and a regulated output voltage of 3.3 V with a maximum output current of 4 A. The device incorporates cycle-by-cycle current limiting and short-circuit protection, operating at a switching frequency of 800 kHz.
| Input voltage Vin | 4 V to 18 V |
|---|---|
| Output voltage Vout | 3.3 V |
| Maximum output current | 4 A |
| Switching frequency | 800 kHz |
The board operates with an input voltage between 4 V and 18 V.
The device provides a maximum output current of 4 A.
Yes, the board includes protection for short-circuit conditions.