STMicroelectronics Evaluation Board for ST1S50 for Fixed-Frequency PWM Synchronous Step-Down Regulator

The STEVAL-ISA146V1 is a product evaluation board used to evaluate the ST1S50, a 500 kHz fixed-frequency PWM synchronous step-down regulator. The ST1S50 operates from a 4.0 V to 18 V input, while it regulates an output voltage as low as 0.8 V and up to 0.88 x VIN.

4 A output current
4.0 V to 18 V input voltage
Output voltage adjustable from 0.8 V to 0.88 x VIN
500 kHz switching frequency
High efficiency at light load
Programmable soft-start and enable
Integrated 95 mW and 69 mW power MOSFETs
All ceramic capacitor
Power Good
Cycle-by-cycle current limiting
Short-circuit protection
Hysteretical thermal shutdown