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LTC3649EUFD#TRPBF
+NomenclatureIC REG BUCK ADJUSTABLE 4A 28QFN
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FabricantAnalog Equipment GmbH.
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Pièce fabricant #LTC3649EUFD#TRPBF
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Fiche technique LTC3649EUFD#TRPBF DataSheet
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Package WFQFN-28
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En stock4080
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Spécifications
| Attribut | Valeur |
| Package / Case | Tape & Reel (TR) |
| Part Status | Active |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 3.1V |
| Voltage - Input (Max) | 60V |
| Voltage - Output (Min/Fixed) | 0V |
| Voltage - Output (Max) | 55V |
| Current - Output | 4A |
| Frequency - Switching | 1MHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
Présentation
Description
This device is known for its robustness, offering protections such as overcurrent and thermal shutdown, ensuring reliability in various operating conditions. The LTC3649EUFD#TRPBF is typically housed in a thermally enhanced plastic DFN package, which supports effective heat dissipation. Its high efficiency is further bolstered by synchronous rectification, minimizing power loss.
Overall, the LTC3649EUFD#TRPBF is favored in designs requiring compactness, high efficiency, and versatility over a wide input and output range. It is especially useful for applications needing reliable power conversion in a compact form factor.
Equivalent
1. Texas Instruments: LM5164, a synchronous buck converter with similar input voltage and output current capabilities.
2. Maxim Integrated/Analog Devices: MAX15062, offers similar functionalities and power efficiency.
3. Microchip Technology: MIC28514, another synchronous buck regulator with comparable specifications.
Ensure to verify specific requirements like input voltage, output current, and power efficiency when selecting an equivalent.
Features
1. Wide Input Voltage Range: Operates from 3.1V to 60V, accommodating a broad spectrum of power sources.
2. Output Voltage: Adjustable output from 0V to 0.5V below VIN, allowing flexibility for various applications.
3. Output Current: Supports up to 4A continuous output current, making it suitable for medium power applications.
4. High Efficiency: Features efficiency up to 99% due to synchronous rectification, which helps minimize power loss.
5. Programmable Frequency: Switching frequency is adjustable from 200kHz to 3MHz, providing design flexibility.
6. Low Quiescent Current: Consumes only 12µA in standby mode, extending battery life in portable applications.
7. Protection Features: Includes overcurrent, overtemperature, and short-circuit protection for enhanced reliability.
8. Compact Package: Offered in a 4mm x 5mm 28-lead QFN package, aiding in space-constrained designs.
These features make the LTC3649EUFD#TRPBF ideal for applications requiring wide input voltage range, high efficiency, and robust protection mechanisms.
Pinout
The key functions of LTC3649 include:
- Wide input voltage range: 3.1V to 60V.
- Adjustable output voltage: 0.8V to VIN.
- High efficiency: Up to 99%.
- Current mode control for fast transient response.
- Programmable current limit.
- Adjustable and synchronizable switching frequency.
- Precision enable and power good indicators.
This device is suitable for industrial, automotive, and communication applications where high efficiency and compact design are critical.
Manufacturer
Application
1. Industrial Systems: Provides efficient power conversion for industrial automation and control systems.
2. Telecommunications: Supports power management in telecom equipment.
3. Automotive Electronics: Suitable for automotive applications requiring robust power solutions.
4. Medical Devices: Powers medical equipment with precise electrical requirements.
5. Distributed Power Systems: Used in systems with distributed power architecture.
6. Battery-Powered Devices: Ideal for devices requiring efficient power regulation to extend battery life.
7. Consumer Electronics: Powers various consumer devices needing compact and efficient power solutions.
These application areas benefit from its wide input voltage range, compact size, and high efficiency.