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Ⅰ.Overview of product

TPS563300DRLR is a high-efficiency synchronous step-down DC-DC switching regulator from Texas Instruments. It features a wide input voltage range, large output current, and compact packaging, providing stable and reliable voltage conversion for various electronic devices.

Ⅱ.Core parameter

Category:Integrated Circuits (ICs),Power Management (PMIC),Voltage Regulators - DC DC Switching Regulators

Mfr:Texas Instruments

Packaging:Tape & Reel

Part Status:Active

Function:Step-Down

Output Configuration:Positive

Output Type:Adjustable

Voltage - Input (Min):3.8V

Voltage - Input (Max):28V

Current - Output:3A

Frequency - Switching:500kHz

Operating Temperature:-40°C ~ 150°C (TJ)

Mounting Type:Surface Mount

Package / Case:SOT-583

Ⅲ.Main characteristics

Wide voltage adaptation:3.8V-28V input range and 0.8V-22V adjustable output range meet diverse power supply needs.

High efficiency performance:Integrates 76mΩ and 32mΩ MOSFETs, with pulse frequency modulation (PFM) mode to optimize light-load efficiency.

Stable control mode:Fixed 500kHz switching frequency and peak current control mode ensure fast transient response and good regulation performance.

Low EMI noise:Frequency spread spectrum feature reduces electromagnetic interference, facilitating system compliance with EMI standards.

Easy to use:Internal loop compensation eliminates external compensation components, and optimized pinout simplifies PCB layout.

Comprehensive protection:Equipped with over-temperature (OTP), over-current (OCP), over-voltage (OVP),under-voltage (UVP) and UVLO protections, all non-latched for reliable operation.

Compact size:1.6mm×2.1mm SOT-583 package saves board space, suitable for miniaturized products.

Special function support:Enables start-up with pre-biased output and offers cycle-by-cycle over-current limiting for both high-side and low-side MOSFETs.

 
Ⅳ.Application field

Building automation: Voltage conversion for HVAC control modules, ensuring stable power supply for temperature and humidity sensors.

Multifunction printers: Power regulation for printhead drivers and control circuits, matching the device's 12V/24V input requirements.

Smart speakers: Converts 5V USB power to stable low-voltage for audio processing chips, extending battery life with low quiescent current.

Industrial PCs: Provides reliable power for motherboard chipsets, adapting to 19V/24V distributed power systems.

Enterprise projectors: Voltage conversion for light source drivers and image processing units, supporting high-current load demands.

Connected peripherals: Powers wireless communication modules in IoT devices, with wide voltage range adapting to different power sources.

Portable electronics: Steps down battery voltage for microcontrollers, balancing efficiency and low-power operation.

Ⅴ.Summary

TPS563300DRLR combines wide voltage range, high efficiency, and compact design, with comprehensive protection mechanisms and low EMI performance.It is easy to integrate into various electronic systems, providing stable and reliable voltage conversion solutions for industrial,consumer,and IoT applications, and is a cost-effective choice for power management.