NCP1612ADR2G

Overview

The NCP1612ADR2G is an enhanced, high-efficiency power factor correction controller manufactured by onsemi. It utilizes a Current Controlled Frequency Fold-back (CCFF) method to drive PFC boost stages in critical conduction mode. The device operates within a supply voltage range of 9.5 V to 28 V and supports a switching frequency up to 130 kHz. It features low start-up current and high peak source/sink capabilities for robust gate driving. The component is housed in a 10-pin SOIC package and complies with RoHS standards.

Feature Summary

• Implements Current Controlled Frequency Fold-back (CCFF) technology for optimized efficiency across varying load conditions
• Supports Critical Conduction Mode (CRM) operation for reduced switching losses and electromagnetic interference
• Provides high peak output drive capability to efficiently control external power MOSFETs
• Integrates comprehensive protection mechanisms including overvoltage, undervoltage, and thermal shutdown

Applications

• Adaptive lighting systems requiring high power factor correction
• Universal input AC-DC power supplies
• Battery chargers for consumer electronics
• Industrial power management modules

Procurement Notes

Verify the complete part number against official onsemi documentation to ensure correct suffix designation. Confirm that the specific variant matches the required packaging and tape-and-reel specifications for your assembly line. Cross-reference the datasheet revision date to ensure compatibility with your design's regulatory and performance requirements before finalizing procurement.

Selection Notes

Select this component for designs prioritizing high efficiency in critical conduction mode applications. Ensure the external MOSFET selection aligns with the controller's drive strength and switching frequency limits. Verify that the input voltage range of the application falls within the specified operational boundaries of the IC to maintain stable CCFF regulation.

Part Context

This part belongs to the NCP161x series of power factor correction controllers from onsemi. The series focuses on enhancing efficiency through advanced frequency fold-back techniques. It serves as a key component in modern power supply designs aiming to meet stringent energy efficiency regulations while maintaining compact form factors.

Replacement Considerations

Consult official onsemi substitution guides for verified alternatives. Direct replacements must match the 10-SOIC package and support CRM operation with similar drive characteristics.