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TPS54340QDDARQ1
IC REG BCK SPLIT RAIL ADJ 8SOPWR
- Fabricant
- Mfr. Partie #TPS54340QDDARQ1
- Paquet SOP8
- Fiche de données
- En stock4963
100% original & Nouveau
24 heures prêtes à expédier
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Spécifications
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Series | Automotive, AEC-Q100, Eco-Mode™ |
| ProductStatus | Not For New Designs |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck, Split Rail |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 4.5V |
| Voltage-Input(Max) | 42V |
| Voltage-Output(Min/Fixed) | 0.8V |
| Voltage-Output(Max) | 41V |
| Current-Output | 3.5A |
| Frequency-Switching | 100kHz ~ 2.5MHz |
| SynchronousRectifier | No |
| OperatingTemperature | -40°C ~ 150°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 8-PowerSOIC (0.154, 3.90mm Width) |
Vue d'ensemble
Description
Key features include a high-efficiency pulse-width modulation (PWM) control, an adjustable switching frequency ranging from 100 kHz to 2.5 MHz, and a low-dropout (LDO) mode for light-load efficiency. It also integrates protection features such as overcurrent protection, overtemperature protection, and undervoltage lockout.
The TPS54340QDDARQ1 is designed for ease of use with an adjustable output voltage and requires minimal external components, making it suitable for a variety of automotive applications like infotainment and advanced driver-assistance systems (ADAS). The device comes in a thermally enhanced 8-pin SO PowerPAD™ package, which aids in heat dissipation. Overall, this step-down converter is a reliable choice for high-efficiency power delivery in automotive environments.
Features
Key features include a high-efficiency pulse-width modulation (PWM) controller with an integrated high-side MOSFET, which enhances performance while minimizing the need for external components. The switching frequency is adjustable between 100 kHz and 2.5 MHz, allowing for either improved efficiency or smaller external components.
The TPS54340QDDARQ1 features an adjustable soft-start, enabling controlled output voltage ramp-up, reducing inrush current during startup. It also includes a voltage supervisor with power-good output and thermal shutdown protection to ensure reliable operation under fault conditions. The device supports synchronization to an external clock, providing flexibility in design.
The package is a thermally enhanced SO-8 (DDA) with PowerPAD, facilitating effective heat dissipation. Its AEC-Q100 qualification ensures reliability in automotive environments. Overall, the TPS54340QDDARQ1 is a robust choice for automotive applications requiring efficient and reliable DC/DC conversion.
Package
Pinout
1. BOOT: Bootstrap capacitor pin for the high-side gate driver.
2. VIN: Input voltage supply pin, supporting up to 42 V.
3. EN: Enable pin to turn the device on or off.
4. SS/TR: Soft-start and tracking pin to control the output voltage ramp rate.
5. COMP: Compensation pin for stability and transient response.
6. RT/CLK: Frequency set and synchronization pin.
7. GND: Ground pin for the power and signal ground.
8. SW: Switching output pin, connected to the inductor.
These functions enable the TPS54340QDDARQ1 to efficiently convert a higher input voltage to a regulated lower output voltage, making it suitable for powering various loads in automotive and industrial systems.
Manufacturer
Application
Equivalent
1. LM2675 by Texas Instruments - A 1A step-down voltage regulator.
2. MP2459 by Monolithic Power Systems - A 3.5A, 42V step-down converter.
3. LT8609 by Analog Devices - A 2A, 42V synchronous step-down regulator.
Always check the specific electrical and thermal characteristics to ensure compatibility with your application.
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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