TPS5431DDA

Les images sont à titre de référence seulement

TPS5431DDA

IC REG BUCK ADJ 3A 8SOPWR

100% original & Nouveau

24 heures prêtes à expédier

Garantie 365 jours

RFQ et Obtenez plus de rabais

Spécifications

Part Status Active
Function Step-Down
Output Configuration Positive
Topology Buck
Output Type Adjustable
Number of Outputs 1
Voltage - Input (Min) 5.5V
Voltage - Input (Max) 23V
Voltage - Output (Min/Fixed) 1.221V
Voltage - Output (Max) 20.47V
Current - Output 3A
Frequency - Switching 500kHz
Synchronous Rectifier No
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount
Package / Case 8-PowerSOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SO PowerPad
Base Product Number TPS5431

Vue d'ensemble

Description

The TPS5431DDA is a high-performance step-down (buck) voltage regulator from Texas Instruments, designed for applications requiring efficient power conversion. It features a wide input voltage range of 4.5V to 17V and can deliver up to 3A of output current. The device employs a continuous conduction mode (CCM) control scheme, ensuring stable operation even under varying load conditions.
Key features include adjustable output voltage (down to 0.8V), integrated high-side and low-side MOSFETs, and a fast transient response, making it suitable for processors and other digital loads. The TPS5431DDA also incorporates protections like thermal shutdown and current limiting, enhancing reliability.
It supports various topologies by allowing external components to be configured for specific needs, and its efficiency can reach up to 95% under optimal conditions. The device is housed in a compact VQFN package, facilitating space-saving designs in consumer electronics, automotive, and industrial applications. Overall, the TPS5431DDA is an excellent choice for designs needing a reliable, efficient power supply solution.

Features

The TPS5431DDA is a step-down (buck) DC-DC converter from Texas Instruments designed for high-efficiency power management. Key features include:
1. Input Voltage Range: Operates from 4.5V to 17V, suitable for a variety of applications.
2. Output Current: Capable of delivering up to 3A output current.
3. Efficiency: High efficiency (up to 95%) across various loads, minimizing heat generation.
4. Control Method: Utilizes pulse-width modulation (PWM) control for stable output voltage with minimal ripple.
5. Adjustable Output Voltage: Output voltage can be adjusted from 0.8V to the maximum input voltage, offering flexibility for different applications.
6. Protection Features: Includes overcurrent protection, thermal shutdown, and undervoltage lockout.
7. Compensation: Internal compensation simplifies design and improves transient response.
8. Package Type: Available in a thermally enhanced HTQFP package for improved thermal performance.
These features make the TPS5431DDA suitable for power supply designs in portable devices, industrial equipment, and telecommunications.

Package

The TPS5431DDA is packaged in a 14-pin HTQFN (Heat Sink Thin Quad Flat No-lead) package, which provides good thermal performance and compact dimensions for efficient power management applications.

Pinout

The TPS5431DDA is a step-down voltage regulator from Texas Instruments with a total of 10 pins. Its primary functions include:
1. VIN (Pin 1): Input voltage supply.
2. SW (Pin 2): Switch node for the inductor connection.
3. GND (Pin 3): Ground connection.
4. BOOT (Pin 4): Bootstrap capacitor connection for high-side gate drive.
5. PH (Pin 5): Phase node, used for the PWM control.
6. COMP (Pin 6): Compensation network connection for stability.
7. CSN/CSN (Pin 7): Current sense negative input.
8. CSN/CSP (Pin 8): Current sense positive input.
9. FB (Pin 9): Feedback pin for voltage regulation.
10. EN (Pin 10): Enable pin to turn the device on/off.
The TPS5431DDA is designed to deliver a regulated output voltage, providing high efficiency and ease of use in various applications.

Manufacturer

The TPS5431DDA is manufactured by Texas Instruments (TI), a global semiconductor company. Founded in 1951, Texas Instruments designs and produces a wide range of analog and digital semiconductor devices, including integrated circuits (ICs), microcontrollers, and processors. The company is known for its innovation in signal processing, power management, and embedded systems. TI serves various industries, including automotive, industrial, communications, and consumer electronics, providing solutions that enable efficient electronic devices. With a strong focus on research and development, Texas Instruments continues to be a leader in the semiconductor market.

Application

The TPS5431DDA is a versatile step-down (buck) converter used in various applications, including power management for microcontrollers, FPGAs, DSPs, and other digital circuits. It is suitable for industrial equipment, telecom systems, automotive electronics, and portable devices. Its efficiency and compact design make it ideal for battery-powered applications and systems requiring low quiescent current.

Equivalent

The TPS5431DDA is a voltage regulator from Texas Instruments. Equivalent products include:
1. LM2596 from Texas Instruments
2. LMT845 from Semtech
3. TPS5430 from Texas Instruments (similar model)
4. LM2675 from Texas Instruments
For specific applications, checking datasheets for key parameters like input/output voltage, current ratings, and efficiency is recommended for compatibility.

Expédition

Méthodes d'expéditionNous

offrir des services d'expédition mondiaux par DHL, FedEx, TNT, UPS ou tout autre expéditeur de votre choix.


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.

Paiements

Payment Methods

Le terme de paiement est 100% prépayé.

Actuellement, nous n'acceptons que les méthodes de paiement ci-dessous:

1. PayPal

2. Carte de crédit/débit

3. Transfert bancaire