NCP13992ACDR2G

AC DC Converters, Offline Switchers Overview

The NCP13992ACDR2G is a high-performance current mode resonant controller designed for half-bridge topologies. It features an integrated 600 V gate driver to simplify layout and reduce external component count. The device operates within a switching frequency range of 20 kHz to 750 kHz and supports a maximum duty cycle of 50%. It functions with a supply voltage between 9.5 V and 20 V, drawing a typical operating supply current of 5.4 mA. The controller includes automatic dead-time generation, quiet skip-frequency mode for acoustic noise reduction, and comprehensive protection mechanisms including OVP, OTP, and overcurrent protection.

AC DC Converters, Offline Switchers Feature Summary

• Integrates a 600 V high-voltage gate driver to minimize external components and simplify PCB layout.
• Features quiet skip-frequency operation to maximize light-load efficiency and minimize transformer acoustic noise.
• Provides dedicated output pins to drive PFC controllers, simplifying the implementation of PFC front-end stages.
• Includes dynamic self-supply (DSS) capability to maintain operation during shutdown or fault conditions.

AC DC Converters, Offline Switchers Applications

• Offline adapters and battery chargers
• Flat panel display power converters
• Computer power supplies
• Industrial and medical power systems

AC DC Converters, Offline Switchers Procurement Notes

Verify that the specific suffix 'CDR2G' matches the required tape-and-reel packaging configuration and lead-free compliance status. Confirm that the SOIC-16 package variant aligns with the thermal and mechanical constraints of the target design. Ensure the ordered part number corresponds to the AC grade specifications regarding temperature range and electrical parameters as defined in the official datasheet.

AC DC Converters, Offline Switchers Selection Notes

Select this component when designing half-bridge resonant converters requiring integrated high-voltage driving capabilities. It is suitable for applications demanding high efficiency at light loads through skip-frequency modes. Consider its compatibility with PFC stages if the system requires a dedicated control signal for the front-end converter. Evaluate the thermal performance within the specified -50°C to +150°C junction temperature range.

AC DC Converters, Offline Switchers Part Context

This device belongs to the NCP13992 series of current mode resonant controllers from onsemi. The series is engineered for offline power conversion applications, offering robust protection features and flexible frequency control. The NCP13992ACDR2G specifically denotes the version packaged in SOIC-16 format, intended for surface-mount assembly in compact power supply designs.

AC DC Converters, Offline Switchers Replacement Considerations

Consult official substitution lists for variants such as NCP13992CBDR2G or other members of the NCP13992 family. Verify pinout compatibility and electrical parameter alignment before replacing the component. Ensure that any substitute part maintains the same integration level and protection feature set required by the application.