NCP1615C3DR2G

Overview

The NCP1615C3DR2G is a high voltage power factor correction controller from onsemi, designed for driving PFC boost stages. It utilizes Current Controlled Frequency Foldback (CCFF) technology to optimize efficiency across load ranges. The device integrates a high-voltage startup circuit and operates in critical conduction mode (CRM). Key electrical characteristics include an operating temperature range of -40°C to 150°C and a 16-pin SOIC package. Standard test conditions for electrical specifications typically involve VCC = 15 V, VHV = 120 V, and VFB = 2.4 V.

Feature Summary

• Implements Current Controlled Frequency Foldback (CCFF) method for enhanced efficiency optimization throughout the entire load range.
• Integrates a high-voltage startup circuit with under-voltage detection, eliminating the need for external startup components.
• Supports Zero-Crossing Skip Cycle operation to improve efficiency near AC input zero-crossings.
• Features fast line/load transient compensation and valley switching to reduce switching losses.

Applications

• Personal computer power supplies
• Offline appliances
• LED drivers
• Flat panel televisions

Procurement Notes

Verify the specific suffix 'C3' against the manufacturer's current datasheet to confirm pinout compatibility and functional parameters. Ensure the 16-SOIC package dimensions match the target PCB footprint. Confirm RoHS compliance status through official documentation before finalizing procurement decisions.

Selection Notes

Select this component for designs requiring high-efficiency PFC control with integrated high-voltage startup capabilities. The CCFF feature makes it suitable for applications demanding optimized performance across varying load conditions. Consider the wide operating temperature range for robust environmental resilience.

Part Context

This part belongs to the NCP1615 family of high-voltage PFC controllers. Variants within the series, such as NCP1615C4DR2G and NCP1615C5DR2G, share similar core functionalities but may differ in specific package options or minor parameter tolerances defined by the manufacturer.

Replacement Considerations

Direct substitutes within the same family include NCP1615C4DR2G and NCP1615C5DR2G. Verify that any replacement maintains identical pinout configuration and electrical specifications to ensure seamless integration without redesigning the surrounding circuitry.

FAQ

What control method does the NCP1615C3DR2G use?

It uses the Current Controlled Frequency Foldback (CCFF) method combined with Critical Conduction Mode (CRM).

Does the NCP1615C3DR2G require external startup resistors?

No, it integrates a high-voltage startup circuit that eliminates the need for external startup components.