TPS54334DRCR

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TPS54334DRCR

+Nomenclature

IC REG BUCK ADJ 3A 10VSON

  • FabricantTexas Instruments

  • Pièce fabricant #TPS54334DRCR

  • En stock7577

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Spécifications

Attribut Valeur
Part Status Active
Base Product Number TPS54334
Function Step-Down
Output Configuration Positive
Topology Buck
Output Type Adjustable
Number of Outputs 1
Voltage - Input (Min) 4.2V
Voltage - Input (Max) 28V
Voltage - Output (Min/Fixed) 0.8V
Voltage - Output (Max) 24V
Current - Output 3A
Frequency - Switching 570kHz
Synchronous Rectifier Yes
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package 10-VFDFN Exposed Pad
Supplier Device Package 10-VSON (3x3)
Packaging Cut Tape (CT), Tape & Reel (TR)

Présentation

Description

The TPS54334DRCR is a step-down (buck) DC-DC converter manufactured by Texas Instruments. It is designed to efficiently convert a higher input voltage to a lower output voltage in electronic circuits. Key features include a wide input voltage range from 4.5V to 28V, making it suitable for diverse applications. It provides up to 3A continuous output current with high efficiency, using a fixed switching frequency to minimize size and component count. The device incorporates advanced protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout to ensure reliable operation. Its DRC package is compact, facilitating easy integration into tight spaces on printed circuit boards. Ideal for powering processors, ASICs, and other digital circuits, the TPS54334DRCR is commonly used in computing, telecommunications, and industrial equipment. The converter's design emphasizes both efficiency and ease of use, with a simple, flexible design that supports external component selection to optimize performance for specific applications.

Equivalent

The TPS54334DRCR is a 3A, 28V step-down converter from Texas Instruments. Equivalent products include:
1. LM2596 - A 3A, 40V step-down regulator from Texas Instruments.
2. MP1584 - A 3A, 28V step-down converter from Monolithic Power Systems.
3. LM22673 - A 3A, 42V step-down regulator from Texas Instruments.
4. LTC3633A - A dual 3A, 20V step-down regulator from Analog Devices.
Always verify specifications and pin compatibility before substitution.

Features

The TPS54334DRCR is a synchronous step-down converter from Texas Instruments designed for high-efficiency voltage regulation. It features a 3.5 V to 28 V input voltage range, making it suitable for a variety of applications. The converter can deliver up to 3 A of continuous output current. It operates at a switching frequency of 700 kHz, which allows for the use of smaller external components, reducing overall solution size.
Other features include an adjustable output voltage as low as 0.8 V, high efficiency up to 95%, and low shutdown current of 1 μA to conserve power when not in use. It also incorporates internal compensation to simplify design, as well as over-current and thermal shutdown protection for enhanced reliability. The device comes in a 10-pin VSON package, which supports a compact design and efficient thermal performance. The TPS54334DRCR is ideal for use in distributed power systems, telecommunications, networking equipment, and other applications requiring efficient power conversion.

Pinout

The TPS54334DRCR is a step-down (buck) converter from Texas Instruments. It comes in a 10-pin VSON package. Key functions of the pins are as follows:
1. VIN: Input voltage supply for the converter.
2. SW: Switch node, connected to the output inductor.
3. GND: Ground pin.
4. EN: Enable pin to turn the device on or off.
5. SS/TR: Soft-start/tracking pin for controlling the soft-start time and tracking.
6. FB: Feedback pin for output voltage regulation.
7. RT/CLK: Sets the switching frequency or synchronizes with an external clock.
8. COMP: Compensation pin for the error amplifier.
9. BOOT: Boot capacitor connection for the high-side MOSFET driver.
10. PWRGD: Power Good indicator for monitoring the output voltage status.
This setup allows the TPS54334 to efficiently convert higher input voltages down to lower output voltages in various power management applications.

Manufacturer

The TPS54334DRCR is manufactured by Texas Instruments Incorporated (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide range of electronic components and integrated circuits. It is headquartered in Dallas, Texas, and is one of the largest semiconductor companies in the world. TI's products serve multiple industries, including automotive, industrial, personal electronics, communications equipment, and enterprise systems, among others. The company is known for its innovation in analog and embedded processing products, which are used in a variety of applications to solve complex challenges in electronic systems.

Application

The TPS54334DRCR is a DC-DC buck converter commonly used in various applications. Its primary application areas include:
1. Industrial Power Systems: Provides efficient power conversion for industrial equipment.
2. Telecommunications: Powers communication devices and infrastructure.
3. Automotive Electronics: Used in vehicle power management systems.
4. Consumer Electronics: Supports devices like laptops, tablets, and set-top boxes.
5. Distributed Power Systems: Offers point-of-load power conversion in distributed systems.
6. Networking Equipment: Supplies power in routers and switches.
7. Medical Devices: Used in portable and stationary medical equipment.
These applications benefit from the converter's efficiency, reliability, and compact design.

Package

The TPS54334DRCR is a DC-DC buck converter from Texas Instruments, offered in a VSON (Very Thin Small Outline No-Lead) package type. Specifically, it is available in a 10-pin VSON package with PowerPAD, which enhances thermal performance. This package type is compact, facilitating space-saving in PCB layouts.

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