RT8298EZSP

Voltage Regulators - DC DC Switching Regulators Overview

The RT8298EZSP is a synchronous step-down DC/DC converter manufactured by Richtek Technology Corporation. It features an integrated high-side internal power MOSFET and a gate driver for an external low-side power MOSFET. The device delivers up to 6A output current with an input voltage range of 4.5V to 24V. Key electrical parameters include a 600kHz switching frequency, adjustable output from 0.8V to 15V, and a 45mΩ internal high-side N-MOSFET resistance. It supports external clock synchronization between 300kHz and 1.5MHz.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a high-side internal power MOSFET with a dedicated gate driver for an external low-side MOSFET to optimize efficiency and thermal performance.
• Utilizes current mode control architecture with internal compensation, ensuring stability when used with ceramic output capacitors.

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation in distributed power systems
• Digital set-top boxes and personal digital recorders
• Broadband communication equipment
• Flat panel TVs and monitors

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'EZSP' against official Richtek documentation to confirm package type and tape/reel specifications. Ensure compatibility with external low-side MOSFET selection as the device provides only the gate driver. Confirm RoHS compliance status through the manufacturer's latest datasheet or environmental declaration before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component for applications requiring high output current up to 6A within a compact footprint. The integrated high-side MOSFET reduces component count compared to discrete solutions. Consider the need for an external low-side MOSFET and verify that the required switching frequency aligns with the 600kHz default or the synchronized range. Ensure the input voltage stays within the 4.5V to 24V operational window.

Voltage Regulators - DC DC Switching Regulators Part Context

The RT8298 series belongs to Richtek's portfolio of synchronous buck converters designed for general-purpose power management. This specific model distinguishes itself by offering higher current capability (6A) compared to lower-current variants like the RT8290 or RT8292. It is categorized under PMIC - Power Management ICs, specifically Switching Voltage Regulators, targeting efficient voltage conversion in consumer and industrial electronics.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. When evaluating alternatives, ensure the replacement matches the 6A output current, 24V maximum input, and compatible package dimensions. Verify that any substitute also supports the required synchronous rectification topology and control scheme.