The ST1S06 is a high-frequency synchronous step-down DC-DC converter from STMicroelectronics. It provides up to 1.5A over an input voltage range of 2.5V to 5.5V. The switching frequency is 1.5MHz. The device is protected against thermal runaway and current limiting to prevent damage due to accidental short circuits.
The document serves as a technical guide for designing applications using the ST1S06 adjustable current mode PWM synchronous step-down DC-DC converter. It details how to select input capacitors, output capacitors, and inductors to optimize performance and efficiency.
Key topics include thermal analysis calculations, short-circuit protection mechanisms, and specific board usage recommendations for the evaluation board provided with the note.
The device provides up to 1.5 A over an input voltage range of 2.5 V to 5.5 V.
The device features a high switching frequency of 1.5 MHz.
The device turns off when the junction temperature exceeds 150°C typically.