NCP5183DR2G

Introduction to NCP5183DR2G:
- What it is: On Semiconductor’s NCP5183DR2G is a DC-DC buck (step-down) regulator IC from the NCP5183 family, housed in a DR2G package.
- What it does: Converts a higher input voltage to a lower, regulated output rail for microprocessors and other digital circuitry.
- Key features: high-efficiency switching regulator with enable control, soft-start, and protection (UVLO, current limit, thermal shutdown). Output is adjustable via a feedback divider; suitable for battery/USB-powered designs. Uses an external inductor and diode (or a synchronous path per variant).
- Typical applications: power-management rails in portable electronics, embedded systems, computers, and telecom equipment.
- How to use: connect VIN and GND, place the recommended inductor/diode (or synchronous FETs), set VOUT with the feedback resistors, enable the device, and follow the datasheet’s layout guidelines for best efficiency and thermal performance.

There isn’t an exact one-for-one cross for NCP5183DR2G. Equivalents depend on its function (buck regulator vs. LED driver), target specs, and package. Please provide: input voltage range, output voltage/current, switching frequency, and package. With those, I can suggest true equivalents from TI, Analog Devices, Microchip, etc., or a cross-reference.

- Pin count: 8 pins
- Function: Single-channel buck DC-DC regulator with an integrated high-side switch (step-down power regulator). It includes VIN, GND, EN (enable), FB (feedback), SW/LX (switch node), and BOOT/SS-type pins for gate drive and soft-start in an 8-pin DR2G package (DFN-8 style).

- Manufacturer: ON Semiconductor (Onsemi)
- What kind of company: An American multinational semiconductor company that designs and manufactures a broad range of analog, mixed-signal, power management ICs, discretes, and sensors for automotive, industrial, communications, and consumer markets.

NCP5183DR2G is a high‑efficiency buck regulator. Typical application areas include:
- Portable/battery-powered devices (phones, tablets, wearables, handheld equipment)
- Point‑of‑load power for CPUs/GPUs/SoCs, FPGAs, and ASICs
- Consumer electronics (set‑top boxes, cameras, audio/video gear, IoT hubs)
- Networking/telecom equipment (routers, switches, access points)
- Automotive electronics (infotainment, body/equipment control)
- Industrial/embedded systems and automation power rails
It’s used wherever a low-voltage rail is derived efficiently from a higher input voltage.

D2PAK (TO-263) surface-mount package; RoHS-compliant.