Parts Power Management Switching Regulators TI TPS6xxxx Bucks & Boosts Family TPS5430DDAR TPS5430DDAR

TITPS5430DDAR

Name: TPS5430DDAR
Brand: Texas Instruments

Texas Instruments

A 3 A step-down regulator from TI with a different switching architecture and package options suited to compact PCB designs.

NRND3,334 in stock

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Overview

The TPS5430DDAR is a high-output-current PWM converter that integrates a low-resistance high-side N-channel MOSFET. Capable of delivering 3A continuous output current, this buck regulator operates from a wide input range of 5.5V to 36V, making it suitable for high-voltage industrial and consumer power rails.

Why Choose This Part

This regulator features internal compensation and a high 500kHz switching frequency, which significantly reduces the size and count of external components. The 8-pin HSOIC PowerPAD package provides excellent thermal performance by allowing heat dissipation directly into the PCB copper layers.

Applications

Industrial Power Systems

Providing 5V or 3.3V rails from 24V industrial supply buses with high efficiency.

LCD Displays

Powering backlighting and logic circuits in monitors and televisions requiring up to 3A of current.

Battery Charging

Utilizing the adjustable output voltage down to 1.221V for various secondary battery chemistry charging circuits.

Key Specifications

Function Step-Down

Topology Buck

Output Type Adjustable

Mounting Type Surface Mount

Package / Case 8-PowerSOIC (0.154", 3.90mm Width)

Current - Output 3A

Number of Outputs 1

Output Configuration Positive

Frequency - Switching 500kHz

Operating Temperature -40degC ~ 125degC (TJ)

Synchronous Rectifier No

Voltage - Input (Max) 36V

Voltage - Input (Min) 5.5V

Voltage - Output (Max) 32.04V

Supplier Device Package 8-SO PowerPad

Voltage - Output (Min/Fixed) 1.221V

Getting Started

To begin design, select an inductor and output capacitor based on the 500kHz switching frequency to minimize ripple. Ensure the PowerPAD is soldered to a large ground plane for thermal management, and use a low-ESR ceramic input capacitor placed as close as possible to the VIN and GND pins.