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LMR14050SDDAR
IC REG BUCK ADJUSTABLE 5A 8SOPWR
- Fabricant
- Mfr. Partie #LMR14050SDDAR
- Paquet HSOIC (DDA)-8
- Fiche de données
- En stock5300
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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 | 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
Key features of the LMR14050SDDAR include a fixed switching frequency of 700kHz, which allows for compact solutions with smaller external components. It also integrates protection features such as cycle-by-cycle current limit, thermal shutdown, and a programmable soft-start function to ensure reliable operation. The device is housed in a thermally enhanced 8-pin SO PowerPAD™ package, facilitating efficient thermal dissipation.
The LMR14050SDDAR is ideal for applications requiring high efficiency, compact size, and robust performance. Its versatility makes it suitable for use in distributed power systems, battery-powered devices, and other voltage regulation tasks where efficiency and reliability are paramount.
Features
1. Input Voltage Range: Operates from 4.5V to 40V, making it suitable for a wide range of applications.
2. Output Current: Capable of delivering up to 5A continuous output current.
3. Efficiency: High efficiency due to its synchronous rectification design, enhancing thermal performance.
4. Switching Frequency: Fixed frequency operation at 0.7MHz, helping reduce the size of external components.
5. Soft Start: Integrated soft-start feature to prevent inrush current during startup.
6. Protection Features: Includes overcurrent protection, overvoltage protection, and thermal shutdown to enhance reliability.
7. Package: Available in a thermally enhanced 8-pin SO PowerPAD package for better heat dissipation.
8. Compact Design: Small footprint is ideal for space-constrained designs.
These features make it suitable for automotive, industrial, and general-purpose applications that require efficient power management in a compact form.
Package
Pinout
1. VIN: Input voltage supply pin. Connects to the input voltage source.
2. SW: Switch node. Connects to the inductor and provides switching voltage to regulate output.
3. BOOT: Bootstrapped capacitor pin. Needs a capacitor connected between this pin and the SW pin to drive the gate of the internal high-side MOSFET.
4. GND: Ground pin. Reference point for all other pins and must be connected to the system ground.
5. FB: Feedback pin. Used to set the output voltage via a resistor divider network.
6. RT/CLK: Resistor timing or synchronization clock pin. Sets the switching frequency when connected to a resistor or synchronizes to an external clock.
7. EN: Enable pin. Turns the regulator on or off.
8. BIAS: Bias supply pin. Provides power to internal circuitry to improve efficiency at light loads.
This configuration supports a wide input voltage range and provides efficient power conversion for various applications.
Manufacturer
Application
Equivalent
1. LM2596 from Texas Instruments - A popular buck converter IC.
2. MP1584 from Monolithic Power Systems - A compact, high-frequency buck converter.
3. XL4015 from XLSEMI - A 5A buck converter module.
4. LT1376 from Analog Devices - A 1.5A switching regulator with similar features.
Ensure the specific requirements such as input voltage, output voltage, current rating, and efficiency match your design needs 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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