NCV1034DR2G

Overview

The NCV1034DR2G is a synchronous PWM buck controller from onsemi, designed for high-voltage applications up to 100V. It operates within a supply voltage range of 10V to 18V and features a switching frequency adjustable between 25kHz and 500kHz. The device supports a maximum duty cycle of 80% and includes integrated soft-start functionality. Packaged in a 16-SOIC surface-mount format, it functions as a positive output DC-DC switching controller suitable for industrial and automotive environments.

Feature Summary

• Synchronous rectification capability for improved efficiency
• Integrated clock synchronization input
• Built-in current limiting and enable control features

Applications

• Industrial power supplies
• Automotive electronics systems
• Point-of-load regulation modules

Procurement Notes

Verify the specific suffix DR2G against official datasheets to confirm package type and tape-and-reel specifications. Ensure compatibility with RoHS standards and check for AEC-Q100 qualification if automotive grade requirements are mandatory. Confirm moisture sensitivity levels prior to assembly processing.

Selection Notes

Select this component when a 100V input rating and synchronous buck topology are required. The adjustable frequency range allows optimization for size and efficiency trade-offs. Verify that the 16-pin SOIC footprint fits the PCB layout constraints and that the operating temperature range meets system thermal requirements.

Part Context

This part belongs to the NCP1034 series of high-voltage synchronous PWM controllers. It shares functional similarities with other members like the NCV1034, differing primarily in qualification grades or minor parameter variations. The series targets robust power management solutions requiring high input voltage tolerance.

Replacement Considerations

Direct substitutes include the NCP1034DR2G. Cross-reference pinouts and electrical characteristics carefully before substitution.