LTC3882EUJ#PBF

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LTC3882EUJ#PBF

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IC REG CTRLR BUCK PMBUS 40QFN

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Spezifikationen

Attribut Wert
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

Übersicht

Description

The LTC3882EUJ#PBF is a high-performance, dual-phase digital DC/DC controller from Analog Devices, designed for generating high-efficiency power supplies. It utilizes a state-space average modeling technique for precise voltage regulation, enabling excellent transient response and minimal output ripple. This controller supports a wide input voltage range, typically from 4.5V to 60V, making it suitable for various applications, including telecom, industrial systems, and data centers.
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

The LTC3882EUJ#PBF is a dual-output digital power controller from Analog Devices. Equivalent products include the LTC3880, LTC3881, and other members of the LTC388x series, which offer similar features such as digital control, power management capabilities, and adjustable output configurations. Always check specific data sheets for exact specifications and compatibility.

Features

The LTC3882EUJ#PBF is a dual-channel, digital power controller designed for efficient power management in high-performance applications. Key features include:
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 LTC3882EUJ#PBF is a dual-output, high-performance DC/DC power management controller from Analog Devices. It features a 48-pin HTQFP (Thin Quad Flat Pack) package.
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 LTC3882EUJ#PBF is manufactured by Analog Devices, Inc. (ADI), a global leader in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits (ICs). Founded in 1965, Analog Devices focuses on providing innovative solutions in various sectors, including communications, automotive, industrial, and consumer electronics. The company specializes in designing and manufacturing ICs that enable the efficient processing of real-world signals, such as sound, temperature, pressure, and light.
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

The LTC3882EUJ#PBF is a high-performance digital DC/DC controller primarily used in power management applications. Key application areas include:
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.

Package

The LTC3882EUJ#PBF is packaged in a 32-lead HTQFN (Heat Sink Thin Quad Flat No-lead) package. This package type facilitates efficient thermal performance and space-saving on printed circuit boards.

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