TPS628304KRZER

Voltage Regulators - DC DC Switching Regulators Overview

The TPS628304KRZER is a synchronous step-down DC/DC converter from Texas Instruments, designed for high-efficiency power management in compact applications. It operates with an input voltage range of 2.25 V to 5.5 V and delivers a maximum output current of 4 A. The device supports adjustable output voltages from 500 mV to 4.5 V. Key electrical specifications include a fixed switching frequency of 2 MHz and a typical quiescent current of 7 uA. It functions reliably within an operating temperature range of -40°C to +125°C and utilizes a WQFN-HR-8 package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated synchronous rectification for optimized efficiency across load ranges
• Fixed 2 MHz switching frequency enables the use of small external components
• Low quiescent current consumption enhances battery life in portable devices
• Built-in shutdown mode reduces power usage during inactive periods

Voltage Regulators - DC DC Switching Regulators Applications

• Portable consumer electronics requiring efficient power conversion
• Battery-powered systems utilizing common battery technologies
• Embedded systems needing compact DC/DC solutions

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the complete part number including the suffix KRZER to ensure correct packaging and tape/reel specifications. Confirm RoHS compliance status through official manufacturer documentation before integration. Check for moisture sensitivity levels and recommended reflow profiles to prevent damage during assembly processes.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a 4 A output capability is required within a 2.25 V to 5.5 V input window. The 2 MHz frequency allows for smaller inductors compared to lower-frequency alternatives. Ensure the thermal design accommodates the WQFN-HR-8 package constraints for the intended application environment.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the TPS62830x family of synchronous buck converters. It shares architectural similarities with the TPS628303 but offers higher current capacity. The series is characterized by high efficiency and small footprint solutions suitable for space-constrained designs.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

The TPS628303KRZER serves as a functional substitute if the application requires only 3 A output current instead of 4 A. Both parts share identical pinouts, control interfaces, and package types.