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TPS543B20RVFR
IC REG BUCK ADJ 25A 40LQFN
- Fabricant
- Mfr. Partie #TPS543B20RVFR
- Paquet LQFN-CLIP (RVF)-40
- Fiche de données
- En stock4353
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Spécifications
| Package | Tape & Reel (TR),Cut Tape (CT) |
| Series | SWIFT™ |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 4V |
| Voltage-Input(Max) | 19V |
| Voltage-Output(Min/Fixed) | 0.6V |
| Voltage-Output(Max) | 5.5V |
| Current-Output | 25A |
| Frequency-Switching | 300kHz ~ 2MHz |
| SynchronousRectifier | Yes |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 40-LFQFN Exposed Pad |
Vue d'ensemble
Description
Key features include a fixed frequency, peak current mode control architecture which ensures fast transient response and simplifies compensation. The device offers high efficiency over a wide load range through its integrated MOSFETs and advanced control techniques. It also includes features like adjustable output voltage, soft start, and internal loop compensation.
The TPS543B20RVFR supports a variety of protection functions, including undervoltage lockout, output overvoltage protection, overcurrent protection, and thermal shutdown, ensuring reliable operation. Its compact QFN package and minimal external component count make it ideal for space-constrained applications. The design is supported by Texas Instruments' comprehensive resources, including evaluation modules and design tools for streamlined implementation.
Features
1. Output Current: It supports up to 25A continuous output current, suitable for high-power applications.
2. Wide Input Voltage Range: Operates from 4.5V to 18V.
3. Adjustable Output Voltage: The output voltage is adjustable from 0.6V to 5.5V, providing flexibility for various applications.
4. Efficiency: High efficiency across various loads due to its synchronous step-down design.
5. Switching Frequency: Adjustable from 200 kHz to 1.5 MHz, allowing optimization between efficiency and component size.
6. Soft Start: Configurable soft start to control inrush current.
7. Protection Features: Includes overcurrent protection, overvoltage protection, and thermal shutdown for robust operation.
8. Package: Available in a 32-pin VQFN package, offering a compact footprint for space-constrained designs.
9. PMBus Interface: Supports digital configuration, monitoring, and control via the PMBus interface, enhancing system management capabilities.
The TPS543B20RVFR is ideal for applications such as telecommunications, data centers, and industrial equipment, where efficient power management is critical.
Package
Pinout
Key functions of the TPS543B20RVFR include:
1. Step-Down Conversion: Converts a higher input voltage to a lower output voltage efficiently.
2. Wide Input Voltage Range: Supports a broad range of input voltages, making it versatile for various applications.
3. Adjustable Output Voltage: Allows for precision tuning of the output voltage to suit specific needs.
4. High Efficiency: Designed to minimize power loss and heat generation, enhancing performance.
5. Integrated MOSFETs: Reduces external component count and simplifies the design.
6. Advanced Protection Features: Includes overcurrent, overvoltage, and thermal protection mechanisms to ensure safe operation.
7. Synchronization Capability: Can synchronize with an external clock for improved performance in multi-phase applications.
These features make the TPS543B20RVFR suitable for use in telecommunications, networking, and other high-performance electronic systems. For detailed specifications, refer to the device's datasheet from Texas Instruments.
Manufacturer
Application
Equivalent
1. Maxim Integrated: MAX20751
2. Analog Devices: ADP2386
3. Infineon: IR3894
4. Microchip: MIC24045
These alternatives are chosen based on similar output current, voltage range, and synchronous buck converter topology. Always verify specific requirements and compatibility when selecting an equivalent.
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
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