NCP1568S00DBR2G

AC DC Converters, Offline Switchers Overview

The NCP1568S00DBR2G is an AC-DC PWM controller from onsemi, designed for active clamp flyback topologies. It operates with a minimum input voltage of 10 V and a maximum of 27 V. The device supports a switching frequency range of 100 kHz to 1 MHz and features a maximum duty cycle of 79%. It is housed in a TSSOP-16 package and functions within a temperature range of -40°C to +125°C. The controller draws a supply current of 30 mA.

AC DC Converters, Offline Switchers Feature Summary

• Implements active clamp flyback topology for high conversion efficiency
• Employs proprietary variable frequency algorithm for zero voltage switching (ZVS)
• Includes frequency foldback with a 31 kHz minimum frequency limit
• Integrates quiet-skip technology to eliminate audible noise

AC DC Converters, Offline Switchers Applications

• AC-DC power converters
• Battery pack chargers
• High-density USB Power Delivery adapters
• Notebook computer adapters
• Industrial power supplies

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix 'S00' against official datasheets to confirm exact electrical parameters, as variants within the NCP1568 family differ in duty cycle and control features. Confirm RoHS compliance status and ensure the TSSOP-16 package matches the design requirements. Cross-reference the manufacturer part number with authorized distributors to validate authenticity and current production status before finalizing procurement.

AC DC Converters, Offline Switchers Selection Notes

Select this component for designs requiring high-efficiency AC-DC conversion using active clamp flyback architectures. Ensure the application demands a switching frequency between 100 kHz and 1 MHz. Verify that the input voltage range of 10 V to 27 V aligns with the system's power supply specifications. Consider the thermal performance requirements given the operating temperature range of -40°C to +125°C.

AC DC Converters, Offline Switchers Part Context

The NCP1568 series represents a family of highly integrated AC-DC PWM controllers by onsemi. These devices are engineered to simplify the design of isolated power supplies by integrating essential control loops and protection features into a single chip. The series utilizes advanced switching techniques to minimize electromagnetic interference and maximize energy transfer efficiency across various load conditions.

AC DC Converters, Offline Switchers Replacement Considerations

Check for direct pin-compatible alternatives within the NCP1568 family, such as NCP1568S02DBR2G, ensuring functional equivalence in duty cycle and control logic. Verify that any substitute maintains the same active clamp flyback capability and package dimensions.