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LMR14030SDDAR
IC REG BUCK ADJ 3.5A 8SOPWR
- Fabricant
- Mfr. Partie #LMR14030SDDAR
- Paquet HSOIC (DDA)-8
- Fiche de données
- En stock3645
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Spécifications
| Package | Tape & Reel (TR),Cut Tape (CT) |
| Series | SIMPLE SWITCHER® |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 4V |
| Voltage-Input(Max) | 40V |
| Voltage-Output(Min/Fixed) | 0.8V |
| Voltage-Output(Max) | 28V |
| Current-Output | 3.5A |
| Frequency-Switching | 200kHz ~ 2.5MHz |
| SynchronousRectifier | No |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 8-PowerSOIC (0.154, 3.90mm Width) |
Vue d'ensemble
Description
The LMR14030SDDAR operates with an input voltage range from 4 V to 40 V, which allows it to handle various power supply sources. It features a fixed switching frequency of 2.1 MHz, contributing to a small solution size by allowing the use of smaller external components. Additionally, the device offers a low dropout voltage and excellent line and load regulation.
Key features include internal compensation, current-mode control for fast transient response, and thermal shutdown protection. The converter also offers an adjustable output voltage, allowing for versatility in different applications. Its small-footprint SMD package makes it ideal for space-constrained designs.
Overall, the LMR14030SDDAR is a versatile and efficient solution for converting higher voltages to a lower, regulated output in a compact form factor.
Features
1. Input Voltage Range: Operates from 4.0 V to 40 V, making it suitable for a wide range of applications, including automotive and industrial systems.
2. Output Current: Capable of delivering up to 3 A continuous output current.
3. Efficiency: High efficiency due to low quiescent current and optimized switching frequency, which reduces power loss.
4. Switching Frequency: Fixed internally at 700 kHz, which allows for smaller external components and a compact design.
5. Output Voltage: Adjustable output voltage with an integrated feedback loop that maintains stable operation over varying loads and input conditions.
6. Thermal Performance: Operates with a thermal shutdown feature to protect against overheating, ensuring reliable performance under high-load conditions.
7. Protection Features: Includes cycle-by-cycle current limit, short-circuit protection, and thermal shutdown for enhanced safety.
8. Package: Offered in a compact and thermally efficient 8-pin SO PowerPAD package.
These features make the LMR14030SDDAR a versatile and reliable choice for power management in various electronic devices.
Package
Pinout
Here's a brief overview of the pin functions:
1. VIN (Pin 1): Input voltage supply pin.
2. GND (Pin 2): Ground pin.
3. SW (Pin 3): Switch node pin, connected to the inductor.
4. BOOT (Pin 4): Bootstrap capacitor connection to drive the gate of the internal high-side MOSFET.
5. FB (Pin 5): Feedback pin for setting the output voltage.
6. COMP (Pin 6): Compensation pin for loop stability.
7. EN (Pin 7): Enable pin to turn the device on or off.
8. RT/CLK (Pin 8): Sets the switching frequency or synchronizes with an external clock.
The LMR14030SDDAR is suitable for a wide range of applications, offering features like high efficiency, adjustable output voltage, and the ability to support high-frequency operation.
Manufacturer
Application
Equivalent
1. TI LM2675: A 1A step-down voltage regulator.
2. Diodes Inc. AP3403: A 3A synchronous buck converter.
3. STMicroelectronics L5973D: A 2A step-down switching regulator.
4. Microchip MCP16301: A 600mA buck converter.
5. ON Semiconductor NCP1117: A low dropout voltage regulator.
Ensure compatibility by checking the specifications like input/output voltage range, current rating, and package type.
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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