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2,500+ 4.52 % $1.90


NCP1399ACDR2G NCP1399AC high-performance current mode resonant controller with integrated high-voltage drivers


NCP1399ACDR2G / NCP1399AC of the NCP1399 series is a high-performance current mode controller for half-bridge resonant converters. This controller implements 600 V gate drivers, simplifying layout and reducing external component count. In applications where a PFC front stage is needed, the NCP1399 features a dedicated output to drive the PFC controller. This feature together with the dedicated skip mode technique further improves the light load efficiency of the whole application.

The NCP1399 provides a suite of protection features allowing the safe operation of any application. This includes overload protection, over−current protection to prevent hard switching cycles, brown−out detection, open optocoupler detection, automatic dead−time adjust, overvoltage (OVP)and overtemperature (OTP) protection. Available in SOIC-16 NB package.

NCP1399ACDR2G NCP1399AC Info:



1. Current Mode Control Scheme

2. Automatic Dead−time with Maximum Dead−time Clamp

3. Dedicated Startup Sequence for Fast Resonant Tank Stabilization

4. Skip Mode Operation for Improved Light Load Efficiency

5. Off−mode Operation for Extremely Low No−load Consumption

6. Latched or Auto−Recovery Overload Protection

7. Latched or Auto−Recovery Output Short Circuit Protection

8. Latched Input for Severe Fault Conditions, e.g. OVP or OTP

9. Out of Resonance Switching Protection

10. Open Feedback Loop Protection

11. Precise Brown−Out Protection

12. PFC Stage Operation Control According to Load Conditions

13. Startup Current Source with Extremely Low Leakage Current

14. Dynamic Self−Supply (DSS) Operation in Off−mode or Fault Modes

15. Pin to Adjacent Pin / Open Pin Fail Safe

16. These are Pb−Free Devices

17. High−Frequency Operation from 20 kHz up to 750 kHz




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