The R1242S001D-E2-FE is a DC-DC switching regulator IC from the R1242S series.

• Function: It is designed for power management and offers an adjustable output with a maximum voltage of 15V and a current output of 3A.
• Topology: The R1242S001D-E2-FE functions as a step-down converter with a buck topology and synchronous rectifier.
• Switching Frequency: It operates with a switching frequency of 330kHz and can handle input voltages ranging from 5V to 30V.
• Package: This surface mountable IC comes in an 8-SOIC package with an exposed pad and operates in a temperature range of -40°C to 85°C.
• Status: It is an active product from Nisshinbo Micro Devices Inc.