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LTC3882EUJ#PBF
+NomenclatureIC REG CTRLR BUCK PMBUS 40QFN
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FabricantAnalog Equipment GmbH.
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Pièce fabricant #LTC3882EUJ#PBF
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Fiche technique LTC3882EUJ#PBF DataSheet
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Spécifications
| Attribut | Valeur |
| Series | PolyPhase® |
| Part Status | Active |
| Output Type | PWM Signal |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Number of Outputs | 2 |
| Output Phases | 2 |
| Voltage - Supply (Vcc/Vdd) | 3V ~ 13.8V |
| Frequency - Switching | 500kHz |
| Duty Cycle (Max) | 87.5% |
| Synchronous Rectifier | No |
| Clock Sync | Yes |
| Serial Interfaces | I2C, PMBus |
| Control Features | Enable, Phase Control |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
| Package / Case | 40-WFQFN Exposed Pad |
| Supplier Device Package | 40-QFN (6x6) |
| Base Product Number | LTC3882 |
Présentation
Description
Key features include programmable output voltage, built-in fault protection, and digital communication via I²C for monitoring and control. The LTC3882 supports a variety of configurations, allowing for easy integration into existing designs. Additionally, it offers advanced features like temperature compensation, power optimization, and dynamic voltage scaling, contributing to overall system efficiency.
With its compact package and robust performance characteristics, the LTC3882EUJ#PBF is ideal for designers seeking reliable and efficient power management solutions in demanding environments.
Equivalent
Features
1. Dual-Phase Control: Supports two-phase operation for increased power output and efficiency.
2. Digital Control: Utilizes a digital interface for easy configuration and monitoring.
3. Wide Input Voltage Range: Accepts input voltages from 4.5V to 60V, suitable for various applications.
4. High Efficiency: Advanced control algorithms enhance efficiency across load conditions.
5. Built-in Compensation: Simplifies design by integrating compensation circuitry, reducing external component count.
6. Flexible Output Voltage: Adjustable output voltage from 0.8V to 5V with high accuracy.
7. Current Sharing: Enables load sharing between multiple controllers for balanced power distribution.
8. Fault Protection: Features overcurrent, overvoltage, and thermal protection for enhanced reliability.
9. Power Good Indicator: Provides output voltage status for system monitoring.
10. Small Package: Available in a compact 40-lead QFN package for space-constrained applications.
These features make the LTC3882EUJ#PBF ideal for high-performance power supply designs.
Pinout
The primary functions include:
- Control of power supplies: It manages two switching regulators, enabling synchronous operation for efficient power conversion.
- I2C Interface: Provides communication for configuration and monitoring of power supply parameters.
- Voltage and current monitoring: Offers output voltage and current sensing for feedback.
- Dynamic voltage scaling: Allows for adjustment of output voltage in response to load changes.
- Soft-start: Implements a controlled ramp up of output voltage to prevent inrush current.
These features make the LTC3882EUJ#PBF suitable for applications in data centers, telecom, and other systems requiring efficient power management.
Manufacturer
The LTC3882 is a digital power management IC that features a dual-output synchronous step-down voltage regulator with advanced digital control, designed to optimize power efficiency and performance in complex applications. Analog Devices is recognized for its commitment to quality, reliability, and technological advancement, making it a key player in the semiconductor industry.
Application
1. Data Centers: Efficient power supply for servers and networking equipment.
2. Telecommunications: Powering base stations and communication infrastructure.
3. Industrial Automation: Control systems requiring precise voltage regulation.
4. Computer Graphics: Powering GPUs in high-performance computing systems.
5. Automotive: Power management in electric vehicles and advanced driver-assistance systems (ADAS).
6. Consumer Electronics: Efficient power conversion in high-end audio/video devices.
Its advanced features, such as I2C interface and programmable output voltage, enhance its versatility across these applications.