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LT3502EDC
IC REG BUCK ADJ 500MA 8DFN
- Fabricant
- Mfr. Partie #LT3502EDC
- Paquet DFN-8P
- Fiche de données
- En stock3184
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Spécifications
| Package | Tube |
| ProductStatus | Obsolete |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 3V |
| Voltage-Input(Max) | 40V |
| Voltage-Output(Min/Fixed) | 0.8V |
| Voltage-Output(Max) | 36V |
| Current-Output | 500mA |
| Frequency-Switching | 1.1MHz |
| SynchronousRectifier | No |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 8-WFDFN Exposed Pad |
Vue d'ensemble
Description
The LT3502EDC features a 2.2MHz fixed-frequency operation, which allows the use of small, low-cost inductors and capacitors. This high switching frequency also helps achieve a fast transient response and low output voltage ripple. The device includes an internal power switch and a low dropout mode to maintain regulation even at low input voltages.
Additional features include soft-start capability to limit inrush current, overcurrent protection, and thermal shutdown to ensure reliable operation. The LT3502EDC is available in a compact DFN package, which helps in reducing the overall size of the power management solution. Its combination of efficiency, size, and protective features makes it a versatile choice for various power supply applications.
Features
1. Input Voltage Range: It supports a wide input voltage range, typically from 3.6V to 25V, making it versatile for various power supply applications.
2. Output Voltage: The regulator provides adjustable output voltages down to as low as 0.8V, allowing flexibility for different application needs.
3. Output Current: It can deliver up to 1A of continuous output current, suitable for powering small to medium loads.
4. Efficiency: The LT3502EDC is designed for high efficiency, often exceeding 90% depending on the input voltage and load conditions.
5. Switching Frequency: It operates at a high fixed switching frequency of 2.2MHz, which helps reduce the size of the external components and the overall solution footprint.
6. Thermal Performance: The package and design support good thermal performance, which includes thermal shutdown protection to prevent damage from overheating.
7. Protection Features: It includes features like short-circuit protection and over-current protection to enhance reliability.
8. Package: The device is available in a compact 8-lead DFN package, suitable for space-constrained applications.
These features make the LT3502EDC ideal for use in consumer electronics, industrial applications, and other systems requiring efficient voltage regulation.
Package
Pinout
1. SW (Pin 1): Switch pin, connects to the inductor.
2. GND (Pin 2): Ground pin.
3. FB (Pin 3): Feedback pin, used to set the output voltage via a resistor divider.
4. VC (Pin 4): Compensation pin for loop stability.
5. RT (Pin 5): Timing resistor pin, sets the switching frequency.
6. SHDN (Pin 6): Shutdown pin, used to enable or disable the device.
7. VIN (Pin 7): Input voltage pin, where the supply voltage is connected.
8. VOUT (Pin 8): Output voltage pin.
These pins collectively help regulate the voltage from a higher input to a lower output, providing a stable power supply for various electronic components.
Manufacturer
Application
Equivalent
1. Texas Instruments: LM2830X
2. Microchip Technology: MCP16311
3. ON Semiconductor: NCP1529
4. ROHM: BD9G101G
These alternatives vary in specifications such as output current, voltage range, and efficiency, so verify compatibility with your application requirements.
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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