NR131S

The operating input range for the NR13 series buck regulator IC is from 4.5V to 17V .

The typical application circuit for the NR130S series buck regulator IC includes the following components: 1. Diode D1 must be a schottky-barrier diode to prevent damage to the IC from reverse voltage . 2. Choke coil L1 should have low winding resistance to maintain efficiency within the rating and prevent magnetic saturation due to overload or short-circuited load . 3. Capacitors C1, C2, C4, C5, and C9 are essential for the circuit but specific details are not provided in the search results . The NR130 series buck regulator IC integrates high-side power MOSFETs and operates with current mode control, allowing the use of ultra-low ESR capacitors like ceramic capacitors for high efficiency. It can achieve up to 94% efficiency at normal load conditions and up to 85% efficiency at light load conditions. The IC also features protection functions such as Over-Current Protection (OCP), Under-Voltage Lockout (UVLO), and Thermal Shutdown (TSD) . The typical application circuit for the NR130S series buck regulator IC includes an 8-pin SOIC package and features current mode PWM control, adjustable soft-start with an external capacitor, and programmable pulse-skip operation. The regulator can handle a continuous output current of 3A, operate within an input range of VIN = 4.5V to 17V, and provide an adjustable output voltage range of VO = 0.8V to 14V at a fixed frequency of 350kHz . In summary, the typical application circuit for the NR130S series buck regulator IC involves using specific components like a schottky-barrier diode, choke coil with low winding resistance, and appropriate capacitors to ensure efficient and reliable operation of the IC in various electronic applications .

The built-in protection functions of the NR130 series buck regulator IC are Over Current Protection (OCP), Thermal Shutdown (TSD), and Under Voltage Lockout (UVLO).