TPS56428DDAR

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TPS56428DDAR

IC REG BUCK ADJUSTABLE 4A 8SOPWR

  • Fabricant
  • Mfr. Partie #TPS56428DDAR
  • Paquet HSOIC (DDA)-8
  • Fiche de données
  • En stock6314

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Spécifications

Package Tape & Reel (TR),Cut Tape (CT)
Series D-CAP2™, Eco-Mode™
ProductStatus Active
Function Step-Down
OutputConfiguration Positive
Topology Buck
OutputType Adjustable
NumberofOutputs 1
Voltage-Input(Min) 4.5V
Voltage-Input(Max) 18V
Voltage-Output(Min/Fixed) 0.6V
Voltage-Output(Max) 7V
Current-Output 4A
Frequency-Switching 650kHz
SynchronousRectifier Yes
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 8-PowerSOIC (0.154, 3.90mm Width)

Vue d'ensemble

Description

The TPS56428DDAR is a DC-DC synchronous buck converter designed by Texas Instruments. It is part of the TPS56428 family, known for its efficiency and compact size, suitable for a variety of applications such as computing, networking, and industrial equipment. The device operates with an input voltage range of 4.5V to 18V and delivers an output current of up to 4A, making it ideal for step-down voltage conversion in digital systems.
Key features include a high switching frequency of up to 700kHz, which allows for smaller external components and a compact overall design. It also incorporates an adaptive on-time D-CAP2 control mode that provides fast transient response and simplifies design by eliminating the need for external compensation components. The device includes various protections such as overcurrent, overvoltage, undervoltage, and thermal shutdown to ensure reliability and safety. Additionally, the TPS56428DDAR is housed in a small SO PowerPAD™ package, enhancing its suitability for space-constrained applications. Overall, it offers a balance of performance, efficiency, and compactness for power management solutions.

Features

The TPS56428DDAR is a step-down (buck) DC-DC converter from Texas Instruments, optimized for high-efficiency power management in a compact form. Key features include:
1. Input Voltage Range: 4.5V to 18V, making it versatile for various applications.
2. Output Current: Up to 4A, suitable for powering high-current devices.
3. Efficiency: High efficiency due to synchronous rectification, optimizing power performance.
4. Switching Frequency: 700kHz fixed frequency, balancing efficiency and component size.
5. Low Dropout: Supports low output voltages, enhancing operational flexibility.
6. Soft Start: Internal soft-start function to reduce inrush current during startup.
7. Protection Features: Includes overcurrent protection, thermal shutdown, and undervoltage lockout to ensure reliability and safety.
8. Thermal Performance: Designed for efficient thermal management in compact spaces.
9. Packaging: Available in a small, thermally efficient SO PowerPAD™ package.
These features make the TPS56428DDAR a robust choice for applications requiring reliable voltage regulation, such as telecommunications, industrial equipment, and consumer electronics.

Package

The TPS56428DDAR is a DC-DC buck converter from Texas Instruments. It comes in an 8-pin SO PowerPAD (DDPAK) package, which provides efficient thermal performance due to the exposed pad, enhancing heat dissipation. This package is compact, suitable for space-constrained applications, and provides good electrical performance for voltage regulation tasks.

Pinout

The TPS56428DDAR is a synchronous step-down voltage regulator from Texas Instruments. It comes in an 8-pin SO PowerPAD package. The functions of its pins are as follows:
1. VIN: Input voltage pin, supplies power to the device.
2. SW: Switch node pin, connects to the inductor.
3. BOOT: Bootstrap capacitor pin, provides the gate drive voltage for the high-side N-channel MOSFET.
4. GND: Ground pin, reference point for the circuit.
5. FB: Feedback pin, receives the output voltage feedback.
6. EN: Enable pin, used to enable or disable the device.
7. SS/TR: Soft-start or tracking pin, configures the soft-start time or tracks an external voltage.
8. RT/CLK: Resistor to set the switching frequency or an external clock input for synchronization.
This pin configuration supports efficient voltage regulation, allowing for flexibility in power management applications.

Manufacturer

The TPS56428DDAR is manufactured by Texas Instruments. Texas Instruments, commonly known as TI, is an American technology company that designs and manufactures semiconductors and various integrated circuits. The company is known for its development of analog chips and embedded processors, which are utilized in a wide variety of electronic devices across numerous industries. TI serves markets including industrial, automotive, personal electronics, communications equipment, and enterprise systems. The company's focus on innovation and quality makes it a key player in the semiconductor industry.

Application

The TPS56428DDAR is a synchronous buck converter designed for high-efficiency step-down DC-DC applications. Key application areas include power supplies for microprocessors, DSPs, and FPGAs, industrial automation, telecommunications equipment, and consumer electronics. It is suitable for battery-powered devices, computing equipment, and any other application requiring efficient voltage regulation with a wide input voltage range.

Equivalent

The TPS56428DDAR is a step-down (buck) voltage regulator from Texas Instruments. Equivalent products from other manufacturers include the LM2596 from Texas Instruments itself, the MP1584 from Monolithic Power Systems, the LM2678 from Texas Instruments, and the LTC3770 from Analog Devices. These alternatives offer similar functionalities but may vary in specific features like input voltage range, output current, and efficiency. Always check the datasheets for precise specifications to ensure compatibility with your application.

Expédition

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Référence des frais d'expédition (DHL/FedEx):

DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.

FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

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