onsemi

MC33063ADG

MC33063ADG Description

The MC33063ADG from onsemi is a versatile DC-DC switching voltage regulator IC designed for buck, boost, and inverting configurations. Housed in an 8-SOIC package, it delivers an adjustable output voltage ranging from 1.25V to 40V with a 1.5A switching current capability. Operating over a 3V to 40V input range, it supports positive or negative output configurations, making it highly flexible for diverse power supply designs. With a fixed 100kHz switching frequency, it balances efficiency and noise performance, while its non-synchronous rectification simplifies external component selection.

MC33063ADG Features

• Wide Input Range (3V–40V): Suitable for automotive, industrial, and battery-powered applications.
• Adjustable Output (1.25V–40V): Precision feedback enables custom voltage regulation.
• High Switching Current (1.5A): Supports moderate power loads without external drivers.
• Buck/Boost/Inverting Topologies: Single IC for multiple converter designs.
• 100kHz Fixed Frequency: Reduces EMI while maintaining efficiency.
• Robust Packaging (8-SOIC): Surface-mount design for compact PCB layouts.
• RoHS3 & REACH Compliant: Meets environmental and safety standards.

MC33063ADG Applications

• Automotive Systems: Power conditioning for infotainment, sensors, and lighting.
• Industrial Power Supplies: Step-up/down converters for PLCs and motor drives.
• Portable Electronics: Battery voltage regulation in handheld devices.
• Negative Voltage Generation: Inverting topologies for analog circuits (e.g., op-amp supplies).
• LED Drivers: Constant-current/voltage control for lighting modules.

Conclusion of MC33063ADG

The MC33063ADG stands out for its flexibility, wide voltage range, and compact design, offering a cost-effective solution for medium-power DC-DC conversion. Its ability to handle buck, boost, and inverting topologies with minimal external components makes it ideal for space-constrained or multi-rail systems. Engineers favor this IC for its reliability in harsh environments (e.g., automotive) and compliance with global environmental standards. For projects requiring adjustable, efficient power conversion, the MC33063ADG is a proven choice.