TEA1998TS/1X

Power Supply Controllers, Monitors Overview

The TEA1998TS/1X is a synchronous rectifier controller designed for switched-mode power supplies, specifically optimized for flyback converter topologies. Manufactured by NXP USA Inc., this component operates within an ambient temperature range of -40°C to 150°C. It is housed in a compact SC-74 (SOT-457) surface-mount package, facilitating efficient PCB layout and thermal management. The device draws a supply current of 250 µA, contributing to low standby power consumption in energy-efficient designs. Compliant with EU environmental standards, it has passed ROHS certification and adheres to the REACH directive, ensuring it is free from restricted substances.

Power Supply Controllers, Monitors Feature Summary

• Implements adaptive control techniques for synchronous rectification to enhance conversion efficiency across varying load conditions.
• Designed as a green solution compliant with strict environmental regulations including ROHS and REACH directives.
• Optimized for secondary-side control in flyback architectures to minimize conduction losses and improve overall power supply performance.

Power Supply Controllers, Monitors Applications

• Secondary-side control in flyback switched-mode power supplies
• Synchronous rectification circuits for AC-DC adapters
• Energy-efficient power management systems requiring low standby power

Power Supply Controllers, Monitors Procurement Notes

Verify that the ordered part number matches TEA1998TS/1X exactly, noting the specific suffix. Confirm the package type is SC-74 (SOT-457) and check for authenticity through authorized NXP channels. Ensure compliance requirements such as ROHS and REACH are documented for your specific regulatory needs. Cross-reference the manufacturer date code and lot information to guarantee component integrity and traceability upon receipt.

Power Supply Controllers, Monitors Selection Notes

Select this component when designing flyback converters that require high efficiency and low quiescent current. The wide operating temperature range supports applications in harsh environments. Consider the SC-74 package constraints for board space limitations. This controller is suitable for replacing older asynchronous rectification schemes to reduce heat dissipation and improve system reliability without significant redesign efforts.

Power Supply Controllers, Monitors Part Context

The TEA1998TS belongs to NXP's GreenChip series of synchronous rectifier controllers. It is part of a family of ICs aimed at improving the efficiency of switched-mode power supplies. Similar parts in the lineup may offer different pin configurations or control algorithms, but share the focus on reducing standby power and meeting environmental standards. This specific model targets the secondary side of flyback converters.

Power Supply Controllers, Monitors Replacement Considerations

The TEA1993TS/1X is a related synchronous rectifier controller from the same manufacturer. While both serve similar functions in flyback applications, verify pin compatibility and control characteristics before substitution. Ensure that any replacement maintains the required operating temperature range and package dimensions for the existing design.

Power Supply Controllers, Monitors FAQ

What is the primary function of the TEA1998TS/1X?

It serves as a synchronous rectifier controller for the secondary side of flyback switched-mode power supplies, utilizing adaptive control to optimize efficiency.

Is the TEA1998TS/1X environmentally compliant?

Yes, it is compliant with the latest European Union environmental standards, having passed ROHS certification and adhering to the REACH directive.