TPS54302DDCR

Voltage Regulators - DC DC Switching Regulators Overview

The TPS54302DDCR is a synchronous step-down converter from Texas Instruments, housed in a SOT-23-THIN-6 package. It supports an input voltage range of 4.5 V to 28 V and delivers up to 3 A output current. The device operates at a fixed switching frequency of 400 kHz with an adjustable output voltage between 0.596 V and 28 V. Key electrical parameters include a typical quiescent current of 40 µA and a shutdown current as low as 2 µA. It functions within a junction temperature range of -40 °C to +125 °C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates high-side and low-side N-channel MOSFETs for efficient synchronous rectification.
• Features spread spectrum modulation to reduce electromagnetic interference peaks.
• Includes internal soft-start circuitry to limit inrush current during startup.
• Provides comprehensive protection against overcurrent, overvoltage, and thermal overload.

Voltage Regulators - DC DC Switching Regulators Applications

• Battery-powered portable equipment requiring efficient power conversion
• Industrial systems utilizing 24 V or 48 V bus architectures
• Embedded controllers and digital signal processing power supplies

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the complete part number including the DDCR suffix to ensure correct packaging configuration. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Validate that the specific revision matches design requirements for EMI performance and thermal characteristics.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when space constraints necessitate a compact SOT-23-6 footprint alongside high current capability. Ensure the application input voltage remains within the specified 4.5 V to 28 V limits. Consider thermal management strategies if operating near maximum load currents due to the small package size.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the TPS54302 family of synchronous buck converters designed for medium-current applications. It shares architectural similarities with other TI parts but offers specific pinout and thermal properties unique to the DDCR variant. The series targets cost-sensitive designs without compromising efficiency or dynamic response.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult official substitution guides for compatible alternatives. Verify pin compatibility and electrical specifications before replacing existing components in established designs.