STEVAL-ISA160V1 Series

3 A / 2.3 MHz step-down synchronous switching regulator based on the AST1S31HF in a DFN 3x3 package

Catalog

3 A / 2.3 MHz step-down synchronous switching regulator based on the AST1S31HF in a DFN 3x3 package

Part	Main Purpose	Frequency - Switching	Contents	Current - Output	Regulator Topology	Utilized IC / Part	Voltage - Input [Max]	Voltage - Input [Min]	Outputs and Type
STMicroelectronics STEVAL-ISA160V1	DC/DC Step Down	2.3 MHz	Board(s)	3 A	Buck	AST1S31HF	4 V	2.8 V	1 Non-Isolated Output

Catalog

3 A / 2.3 MHz step-down synchronous switching regulator based on the AST1S31HF in a DFN 3x3 package

Description

The STEVAL-ISA160V1 evaluation board is based on the AST1S31HF internally compensated 2.3 MHz fixed-frequency PWM synchronous step-down regulator. The device operates on a 2.8 V to 4.0 V input voltage and provides a regulated output voltage from as low as 0.8 V up to Vin. The peak current mode control with internal compensation delivers a very compact solution with a minimum component count. All the components on the evaluation board are automotive grade.