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LTC3850EUF#PBF
IC REG CTRLR BUCK 28QFN
- Fabricant
- Mfr. Partie #LTC3850EUF#PBF
- Paquet
- Fiche de données LTC3850EUF#PBF DataSheet
- En stock3569
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Spécifications
| Part Status | Active |
| Output Type | Transistor Driver |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Number of Outputs | 2 |
| Output Phases | 2 |
| Voltage - Supply (Vcc/Vdd) | 4V ~ 24V |
| Frequency - Switching | 250kHz ~ 780kHz |
| Duty Cycle (Max) | 97.2% |
| Synchronous Rectifier | Yes |
| Clock Sync | No |
| Control Features | Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 28-WFQFN Exposed Pad |
| Supplier Device Package | 28-QFN (4x4) |
| Base Product Number | LTC3850 |
Vue d'ensemble
Description
Key features include adjustable output voltage, a power good flag, and soft-start capability, which helps to prevent inrush current during startup. The LTC3850 also incorporates advanced control techniques, such as current-mode control, to optimize transient response and efficiency.
It is suitable for various applications, including telecommunications equipment, industrial power supplies, and high-performance computing. The package type is a 28-lead thermally enhanced HTSSOP, allowing for improved thermal management. Overall, the LTC3850EUF#PBF is a robust choice for designers looking to implement efficient and reliable power management solutions.
Features
1. Input Voltage Range: 4.5V to 60V, allowing for a wide range of input sources.
2. Output Voltage Programmability: Adjustable output voltage from 0.8V to 5V, with a precision of ±1%.
3. Dual-Channel Operation: Capable of controlling two outputs with current sharing for higher output power.
4. High Efficiency: Achieves efficiencies greater than 90% under typical loads.
5. Current Mode Control: Offers fast transient response and improved stability.
6. Integrated Gate Drivers: Drives external N-channel MOSFETs, reducing component count.
7. Overvoltage and Overcurrent Protection: Ensures safe operation under fault conditions.
8. Soft-Start Feature: Reduces inrush current during startup.
9. Programmable Switching Frequency: Adjustable from 250kHz to 1MHz for design flexibility.
Overall, the LTC3850EUF#PBF is suitable for various applications, including telecom, industrial, and automotive power supplies.
Package
Pinout
The primary functions of the LTC3850 include:
1. Voltage Regulation: It regulates output voltage, providing precise control for dual outputs.
2. Current Sharing: It allows for current sharing between multiple parallel controllers.
3. Phase Control: Supports adjustable phase control for multiple devices to minimize input ripple and optimize performance.
4. Power Good Indicator: Provides a power good output to signal whether the output voltages are within regulation.
5. Compensation: Offers external compensation to optimize the performance based on specific application requirements.
6. Soft-Start: Implements a soft-start feature to minimize inrush current during startup.
7. Fault Protection: Offers overvoltage, undervoltage, and overcurrent protection.
The LTC3850 is suitable for applications requiring high efficiency and accurate voltage regulation, such as in telecommunications and industrial equipment.
Manufacturer
Application
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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