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TPS56221DQPR
IC REG BUCK ADJUSTABLE 25A 22SON
- Fabricant
- Mfr. Partie #TPS56221DQPR
- Paquet LSON-CLIP (DQP)-22
- Fiche de données
- En stock2013
100% original & Nouveau
24 heures prêtes à expédier
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Spécifications
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 4.5V |
| Voltage-Input(Max) | 14V |
| Voltage-Output(Min/Fixed) | 0.6V |
| Voltage-Output(Max) | 13.02V |
| Current-Output | 25A |
| Frequency-Switching | 300kHz, 500kHz, 950kHz |
| SynchronousRectifier | Yes |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 22-PowerLFDFN |
Vue d'ensemble
Description
Key features include a fixed switching frequency of 500 kHz, which aids in reducing the size of external components while maintaining stable operation. The TPS56221DQPR also offers integrated MOSFETs, which enhance efficiency compared to discrete solutions. Its advanced control topology ensures fast transient response and excellent regulation under varying loads.
Protection mechanisms such as overcurrent protection, thermal shutdown, and undervoltage lockout (UVLO) are integrated, ensuring reliable operation under fault conditions. The device also supports external synchronization to facilitate operation in multiphase systems, and its Power Good indicator provides a signal when the output is within regulation.
Overall, the TPS56221DQPR is a robust solution for high-current, low-voltage applications, balancing efficiency, compactness, and reliability.
Features
Key features include a peak efficiency of up to 95%, which minimizes power losses. Its D-CAP2™ mode control provides fast transient response and requires minimal output capacitance, improving overall performance and reducing component count. The TPS56221DQPR also includes programmable soft-start and power-good output for easy system integration.
The device is equipped with an internally set switching frequency of 500 kHz, which strikes a balance between efficiency and component size. Protection features like output overvoltage, under-voltage, overload, and thermal shutdown ensure reliable operation. The package design is a space-efficient, thermally enhanced 22-pin QFN package, facilitating heat dissipation.
Overall, the TPS56221DQPR is suitable for applications such as telecommunications, servers, and industrial power systems, where efficiency, compactness, and reliability are critical.
Package
Pinout
The key features include:
- High efficiency synchronous buck converter
- Wide input voltage range
- High output current capability
- Adjustable output voltage
- Integrated MOSFETs for high efficiency
The pins include connections for VIN (input voltage), VOUT (output voltage), SW (switch node), EN (enable), PG (power good), COMP (compensation), SS/TR (soft start/tracking), and various others related to control, feedback, and power management.
For detailed pin functions and exact pin configuration, refer to the datasheet or product documentation provided by Texas Instruments.
Manufacturer
Application
Equivalent
1. LM21215 from Texas Instruments
2. LTC3865 from Analog Devices
3. MP2965 from Monolithic Power Systems
4. ISL8117 from Renesas Electronics
These alternatives offer similar functionalities but may differ based on specific electrical characteristics and application requirements. Always verify compatibility with your design specifications.
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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