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LTC3855EUJ#TRPBF
IC REG CTRLR BUCK 40QFN
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- Fr. Teil #LTC3855EUJ#TRPBF
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- Datenblatt LTC3855EUJ#TRPBF DataSheet
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Spezifikationen
| Series | PolyPhase® |
| Part Status | Active |
| Base Product Number | LTC3855 |
| Output Type | Transistor Driver |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Number of Outputs | 2 |
| Output Phases | 2 |
| Voltage - Supply (Vcc/Vdd) | 4.5V ~ 38V |
| Frequency - Switching | 250kHz ~ 770kHz |
| Duty Cycle (Max) | 95% |
| Synchronous Rectifier | Yes |
| Clock Sync | No |
| Control Features | Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package | 40-WFQFN Exposed Pad |
| Supplier Device Package | 40-QFN (6x6) |
| Packaging | Cut Tape (CT), Tape & Reel (TR) |
Übersicht
Description
Key features include:
- Dual outputs with current sharing capability.
- Adjustable output voltage from 0.8V to 5V.
- Integrated power-saving modes for improved efficiency.
- Fast transient response and built-in protections (overvoltage, overcurrent).
- Simple control loop, enabling easy design and implementation.
The LTC3855 is ideal for powering microcontrollers, FPGAs, and other digital circuits, providing reliable and efficient power management. Its robust performance and versatility make it a popular choice among engineers in the power electronics sector. For detailed specifications, refer to the manufacturer's datasheet.
Features
1. Wide Input Range: Operates from 4.5V to 60V input voltage, making it suitable for various power sources.
2. Output Voltage: Adjustable output voltage range from 0.8V to 15V.
3. High Efficiency: Capable of achieving efficiencies over 95%, which reduces heat and increases reliability.
4. Current Mode Control: Provides fast transient response and stable operation across a wide range of loads.
5. Integrated Drivers: Includes high-side and low-side MOSFET drivers, simplifying design and reducing external component count.
6. Frequency Synchronization: Allows synchronization to an external clock for reduced noise and improved performance.
7. Power Good Indicator: Monitors output voltage and offers a power good signal for system monitoring.
8. Programmable Switching Frequency: Adjustable frequency from 250kHz to 1MHz enables optimization for size and efficiency.
These features make the LTC3855EUJ#TRPBF ideal for automotive, industrial, and telecom applications.
Package
Pinout
The primary functions of the LTC3855 include:
1. Voltage Regulation: It regulates output voltage with a wide input voltage range.
2. Current Sharing: Supports multiple controllers for load sharing.
3. Phase Syncing: Allows synchronization of multiple devices for reduced ripple.
4. Compensation: Integrated compensation simplifies circuit design.
5. Power Good Output: Monitors output voltage and signals status.
6. Soft-Start: Controls inrush current during startup.
These features make the LTC3855 highly suitable for applications requiring efficient power management, such as telecommunications, industrial systems, and automotive electronics.
Manufacturer
Application
Equivalent
Versand
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bieten Sie globale Versanddienstleistungen durch DHL, FedEx, TNT, UPS oder einen anderen Spediteur Ihrer Wahl.
Versandgebührenreferenz (DHL/FedEx):
DHL: Versandkosten reichen von $25-$45 (0.5kg), mit einer geschätzten Lieferzeit von 2-5 Werktagen.
von FedEx: Versandkosten reichen von $25-$40 (0.5kg), mit einer geschätzten Lieferzeit von 3-7 Werktagen.
UPS: Versandkosten reichen von $25-$45 (0.5kg), mit einer geschätzten Lieferzeit von 3-7 Werktagen.
TNT: Versandkosten reichen von $25-$65 (0.5kg), mit einer geschätzten Lieferzeit von 3-7 Werktagen.
EMS: Versandkosten reichen von $30-$50 (0.5kg), mit einer geschätzten Lieferzeit von 7-15 Werktagen.
Registrierte Luftpost: Versandkosten sind $ 2- $ 4 (0,1 kg), mit einer geschätzten Lieferzeit von 5-20 Werktagen.
Zahlungen
Payment Methods
Die Zahlungsfrist ist 100% Prepaid.
Derzeit akzeptieren wir nur die folgenden Zahlungsmethoden:
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3. Überweisung
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