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A Comprehensive Guide to LTC7852EUFD-1#PBF DC-DC Switching Controller

UTMEL

Published: 06 March 2024 | Last Updated: 06 March 2024

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LTC7852EUFD-1#PBF

LTC7852EUFD-1#PBF

Linear Technology/Analog Devices

DC to DC converter IC 2 Outputs 200kHz~1.2MHz Transistor Driver

Unit Price: $8.890956

Ext Price: $8.89

Purchase Guide

DC to DC converter IC 2 Outputs 200kHz~1.2MHz Transistor Driver

This article provides an in-depth analysis of the LTC7852EUFD-1#PBF DC-DC switching controller manufactured by Linear Technology/Analog Devices. It covers the product description, features, applications, reference designs, alternative parts, and frequently asked questions to help electronic engineers understand and utilize this component effectively.

Product Introduction

Description:
The LTC7852EUFD-1#PBF is a high-performance DC-DC switching controller designed for step-down applications. It features two outputs with a positive output configuration and operates with a voltage supply range of 4.5V to 5.5V. The device offers a wide operating temperature range of -40°C to 125°C, making it suitable for various industrial and automotive applications.

Features:
1. Current Limit, Enable, Frequency Control, Power Good, Ramp, Soft Start, Tracking control features
2. Buck topology with synchronous rectifier for improved efficiency
3. Wide switching frequency range of 200kHz to 1.2MHz
4. Six output phases for enhanced power delivery
5. RoHS3 compliant for environmentally friendly design

Applications:
Primary Applications:
1. Industrial Power Supplies
2. Automotive Power Distribution Systems
3. Telecommunication Equipment
4. Server Power Management

Secondary Applications:
1. LED Lighting Systems
2. Battery Charging Systems
3. Motor Control Units
4. Audio Amplifiers

Applicable Specific Modules:
1. Voltage Regulators
2. Power Management Units
3. Battery Management Systems

Reference Designs:
1. Industrial Power Supply Design using LTC7852EUFD-1#PBF
2. Automotive DC-DC Converter Design with LTC7852EUFD-1#PBF
3. Server Power Management System utilizing LTC7852EUFD-1#PBF

Alternative Parts:
1. LTC7851: Similar features with different output configurations
2. LTC7853: Higher voltage supply range with similar control features
3. LTC7854: Lower switching frequency range for specific applications

FAQs:
Q: What is the maximum switching frequency of the LTC7852EUFD-1#PBF?
A: The LTC7852EUFD-1#PBF supports a maximum switching frequency of 1.2MHz.

Q: Can the LTC7852EUFD-1#PBF be used in automotive applications?
A: Yes, the LTC7852EUFD-1#PBF is suitable for automotive power distribution systems due to its wide operating temperature range.

Q: Does the LTC7852EUFD-1#PBF have overcurrent protection?
A: Yes, the device features current limit control for overcurrent protection.

In conclusion, the LTC7852EUFD-1#PBF DC-DC switching controller offers a range of features and capabilities that make it a versatile component for various power management applications. Its high efficiency, wide operating temperature range, and multiple control features make it a reliable choice for electronic engineers looking to design efficient power supply systems.

Specifications

Linear Technology/Analog Devices LTC7852EUFD-1#PBF technical specifications, attributes, parameters and parts with similar specifications to Linear Technology/Analog Devices LTC7852EUFD-1#PBF.
  • Type
    Parameter
  • Factory Lead Time
    8 Weeks
  • Mounting Type

    The "Mounting Type" in electronic components refers to the method used to attach or connect a component to a circuit board or other substrate, such as through-hole, surface-mount, or panel mount.

    Surface Mount
  • Package / Case

    refers to the protective housing that encases an electronic component, providing mechanical support, electrical connections, and thermal management.

    36-WFQFN Exposed Pad
  • Operating Temperature

    The operating temperature is the range of ambient temperature within which a power supply, or any other electrical equipment, operate in. This ranges from a minimum operating temperature, to a peak or maximum operating temperature, outside which, the power supply may fail.

    -40°C~125°C TJ
  • Packaging

    Semiconductor package is a carrier / shell used to contain and cover one or more semiconductor components or integrated circuits. The material of the shell can be metal, plastic, glass or ceramic.

    Tube
  • Part Status

    Parts can have many statuses as they progress through the configuration, analysis, review, and approval stages.

    Active
  • Moisture Sensitivity Level (MSL)

    Moisture Sensitivity Level (MSL) is a standardized rating that indicates the susceptibility of electronic components, particularly semiconductors, to moisture-induced damage during storage and the soldering process, defining the allowable exposure time to ambient conditions before they require special handling or baking to prevent failures

    1 (Unlimited)
  • Voltage - Supply

    Voltage - Supply refers to the range of voltage levels that an electronic component or circuit is designed to operate with. It indicates the minimum and maximum supply voltage that can be applied for the device to function properly. Providing supply voltages outside this range can lead to malfunction, damage, or reduced performance. This parameter is critical for ensuring compatibility between different components in a circuit.

    4.5V~5.5V
  • Function

    The parameter "Function" in electronic components refers to the specific role or purpose that the component serves within an electronic circuit. It defines how the component interacts with other elements, influences the flow of electrical signals, and contributes to the overall behavior of the system. Functions can include amplification, signal processing, switching, filtering, and energy storage, among others. Understanding the function of each component is essential for designing effective and efficient electronic systems.

    Step-Down
  • Number of Outputs
    2
  • Output Type

    The "Output Type" parameter in electronic components refers to the type of signal or data that is produced by the component as an output. This parameter specifies the nature of the output signal, such as analog or digital, and can also include details about the voltage levels, current levels, frequency, and other characteristics of the output signal. Understanding the output type of a component is crucial for ensuring compatibility with other components in a circuit or system, as well as for determining how the output signal can be utilized or processed further. In summary, the output type parameter provides essential information about the nature of the signal that is generated by the electronic component as its output.

    Transistor Driver
  • Output Configuration

    Output Configuration in electronic components refers to the arrangement or setup of the output pins or terminals of a device. It defines how the output signals are structured and how they interact with external circuits or devices. The output configuration can determine the functionality and compatibility of the component in a circuit design. Common types of output configurations include single-ended, differential, open-drain, and push-pull configurations, each serving different purposes and applications in electronic systems. Understanding the output configuration of a component is crucial for proper integration and operation within a circuit.

    Positive
  • Control Features

    Control features in electronic components refer to specific functionalities or characteristics that allow users to manage and regulate the operation of the component. These features are designed to provide users with control over various aspects of the component's performance, such as adjusting settings, monitoring parameters, or enabling specific modes of operation. Control features can include options for input/output configurations, power management, communication protocols, and other settings that help users customize and optimize the component's behavior according to their requirements. Overall, control features play a crucial role in enhancing the flexibility, usability, and performance of electronic components in various applications.

    Current Limit, Enable, Frequency Control, Power Good, Ramp, Soft Start, Tracking
  • Topology

    In the context of electronic components, "topology" refers to the arrangement or configuration of the components within a circuit or system. It defines how the components are connected to each other and how signals flow between them. The choice of topology can significantly impact the performance, efficiency, and functionality of the electronic system. Common topologies include series, parallel, star, mesh, and hybrid configurations, each with its own advantages and limitations. Designers carefully select the appropriate topology based on the specific requirements of the circuit to achieve the desired performance and functionality.

    Buck
  • Frequency - Switching

    "Frequency - Switching" in electronic components refers to the rate at which a device, such as a transistor or switching regulator, turns on and off during operation. This parameter is crucial in determining the efficiency and performance of power converters, oscillators, and other circuits that rely on rapid switching. Higher switching frequencies typically allow for smaller component sizes but may require more advanced design considerations to manage heat and electromagnetic interference.

    200kHz~1.2MHz
  • Synchronous Rectifier

    Synchronous rectification is a technique for improving the efficiency of rectification by replacing diodes with actively controlled switches, usually power MOSFETs or power bipolar junction transistors (BJT).

    Yes
  • Clock Sync

    Clock synchronization is a topic in computer science and engineering that aims to coordinate otherwise independent clocks. Even when initially set accurately, real clocks will differ after some amount of time due to clock drift, caused by clocks counting time at slightly different rates.

    No
  • Output Phases

    Output Phases in electronic components refer to the number of distinct output signals or waveforms that the component can generate. This parameter is commonly associated with devices such as power inverters, motor drives, and signal generators. The output phases indicate how many separate signals can be produced simultaneously by the component, with each phase typically representing a different electrical waveform or signal. Understanding the output phases of an electronic component is important for designing and implementing systems that require multiple output signals or for ensuring compatibility with other components in a circuit.

    6
  • RoHS Status

    RoHS means “Restriction of Certain Hazardous Substances” in the “Hazardous Substances Directive” in electrical and electronic equipment.

    ROHS3 Compliant
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LTC7852EUFD-1#PBF

Linear Technology/Analog Devices

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