TPS563300DRLR

Voltage Regulators - DC DC Switching Regulators Overview

The TPS563300DRLR is a synchronous buck converter from Texas Instruments featuring a 3.8-V to 28-V input voltage range and up to 3-A continuous output current. It delivers an adjustable output voltage between 0.8 V and 22 V with a precision 0.8-V reference. Integrated high-side and low-side MOSFETs have on-resistances of 76 mΩ and 32 mΩ, respectively. The device operates at a fixed switching frequency of 500 kHz with typical quiescent current of 20 μA. It supports junction temperatures from -40°C to 150°C and utilizes a compact SOT583 package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated high-efficiency synchronous MOSFETs for compact solution size
• Fixed-frequency peak current control mode with internal compensation
• Comprehensive non-latched protection against over-temperature, over-current, over-voltage, under-voltage, and UVLO

Voltage Regulators - DC DC Switching Regulators Applications

• Building automation, appliances, and industrial PC systems
• Multifunction printers and enterprise projectors
• Portable electronics and connected peripherals
• Smart speakers and monitors
• Distributed power systems with 5-V, 12-V, 19-V, and 24-V inputs

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'DRLR' corresponds to the SOT583-8 package configuration. Confirm RoHS compliance status through official documentation. Ensure compatibility with EMI-friendly spread spectrum requirements if applicable. Validate thermal performance within the specified operating temperature range during integration.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component for applications requiring wide input voltage ranges up to 28 V and high output currents. The integrated compensation simplifies design compared to externally compensated alternatives. Consider the fixed 500-kHz frequency for inductor sizing constraints. Evaluate the 20-μA quiescent current suitability for standby power efficiency requirements.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the TPS563300 family of synchronous buck converters designed for high-efficiency power management. It shares architectural similarities with other TI DC/DC regulators but is distinguished by its specific 3.8-V to 28-V input window and 3-A current capability. The SOT583 package allows for space-constrained designs in consumer and industrial electronics.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.