The R1286K is a DC-DC switching regulator in a 12-UFDFN Exposed Pad package.

• Series: It is part of the R1286K series of integrated circuits designed for power management applications.
• Current Output: The regulator can provide a maximum output current of 250mA and has adjustable output voltage.
• Function: It functions as a step-up or inverted regulator with buck and boost topologies.
• Switching Frequency: The switching frequency is set @ 1.75MHz.
• Outputs: The R1286K has two outputs, one positive and one negative, and operates with input voltages ranging from 2.3V to 5.5V.
• Rectification: It features synchronous rectification and is suitable for surface mount installation.
• Temperature Range: With an operating temperature range of -40°C to 85°C, this regulator is suitable for various industrial and automotive applications.
• Manufacturer: The R1286K is an active product from Nisshinbo Micro Devices Inc., a trusted manufacturer of electronic components.