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A Comprehensive Guide to LTC7138MPMSE#TRPBF DC-DC Switching Regulator

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

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LTC7138MPMSE#TRPBF

LTC7138MPMSE#TRPBF

Linear Technology/Analog Devices

4V LTC7138 DC DC Voltage Regulator 1 Outputs Tape & Reel (TR) 16-TFSOP (0.118, 3.00mm Width) Exposed Pad, 12 Leads

Purchase Guide

4V LTC7138 DC DC Voltage Regulator 1 Outputs Tape & Reel (TR) 16-TFSOP (0.118, 3.00mm Width) Exposed Pad, 12 Leads

This article provides a detailed overview of the LTC7138MPMSE#TRPBF DC-DC switching regulator by Linear Technology/Analog Devices. It covers the description, features, applications, reference designs, alternative parts, and FAQs related to this product. Whether you are a professional electronic engineer or a hobbyist, this guide will help you understand the capabilities and uses of this versatile voltage regulator.

Product Introduction

Description:
The LTC7138MPMSE#TRPBF is a step-down DC-DC switching regulator designed for efficient power management applications. It features an adjustable (programmable) output type with a maximum input voltage of 140V and a minimum input voltage of 4V. The device operates in a buck topology and offers a current output of 400mA. With a wide operating temperature range of -55°C to 150°C, this regulator is suitable for various industrial and automotive applications.

Features:
1. Wide input voltage range from 4V to 140V
2. Adjustable output voltage options including 0.8V, 1.8V, 3.3V, and 5V
3. Buck topology for efficient power conversion
4. Compact 16-TFSOP package with exposed pad for enhanced thermal performance
5. RoHS3 compliant for environmental sustainability

Applications:
Primary Applications:
1. Industrial power supplies
2. Automotive electronics
3. Battery-powered systems
4. LED lighting
5. Telecom infrastructure

Secondary Applications:
1. Medical devices
2. Consumer electronics
3. Networking equipment
4. Solar power systems
5. IoT devices

Applicable Specific Modules:
1. Power management units
2. Voltage regulation circuits
3. Energy-efficient devices
4. Portable electronic gadgets

Reference Designs:
1. Industrial Power Supply Design using LTC7138MPMSE#TRPBF
2. Automotive Lighting System with LTC7138MPMSE#TRPBF
3. Battery Management Module featuring LTC7138MPMSE#TRPBF
4. LED Driver Circuit using LTC7138MPMSE#TRPBF
5. Telecom Power Distribution Board with LTC7138MPMSE#TRPBF

Alternative Parts:
1. LTC7138MPMSE#TRPBF-1 (Higher current output version)
2. LTC7138MPMSE#TRPBF-2 (Lower input voltage version)
3. LTC7138MPMSE#TRPBF-3 (Synchronous rectifier enabled)
4. LTC7138MPMSE#TRPBF-4 (Extended temperature range variant)

FAQs:
Q1: What is the maximum current output of LTC7138MPMSE#TRPBF?
A1: The LTC7138MPMSE#TRPBF provides a current output of 400mA.

Q2: Can LTC7138MPMSE#TRPBF be used in automotive applications?
A2: Yes, this regulator is suitable for automotive electronics due to its wide input voltage range and robust design.

Q3: Is LTC7138MPMSE#TRPBF RoHS compliant?
A3: Yes, LTC7138MPMSE#TRPBF is RoHS3 compliant, ensuring environmentally friendly manufacturing practices.

Q4: What are the primary applications of LTC7138MPMSE#TRPBF?
A4: The primary applications include industrial power supplies, automotive electronics, battery-powered systems, LED lighting, and telecom infrastructure.

In conclusion, the LTC7138MPMSE#TRPBF DC-DC switching regulator offers a versatile and efficient solution for various power management requirements. Its wide input voltage range, adjustable output options, and compact package make it ideal for a wide range of applications across different industries. Whether you are designing industrial equipment, automotive systems, or consumer electronics, the LTC7138MPMSE#TRPBF is a reliable choice for your power conversion needs.

Specifications

Linear Technology/Analog Devices LTC7138MPMSE#TRPBF technical specifications, attributes, parameters and parts with similar specifications to Linear Technology/Analog Devices LTC7138MPMSE#TRPBF.
  • 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.

    16-TFSOP (0.118, 3.00mm Width) Exposed Pad, 12 Leads
  • 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.

    -55°C~150°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.

    Tape & Reel (TR)
  • Published
    2015
  • 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)
  • Base Part Number

    The "Base Part Number" (BPN) in electronic components serves a similar purpose to the "Base Product Number." It refers to the primary identifier for a component that captures the essential characteristics shared by a group of similar components. The BPN provides a fundamental way to reference a family or series of components without specifying all the variations and specific details.

    LTC7138
  • 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
    1
  • Voltage - Input (Max)

    Voltage - Input (Max) is a parameter in electronic components that specifies the maximum voltage that can be safely applied to the input of the component without causing damage. This parameter is crucial for ensuring the proper functioning and longevity of the component. Exceeding the maximum input voltage can lead to electrical overstress, which may result in permanent damage or failure of the component. It is important to carefully adhere to the specified maximum input voltage to prevent any potential issues and maintain the reliability of the electronic system.

    140V
  • 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.

    Adjustable (Programmable)
  • Voltage - Input (Min)

    Voltage - Input (Min) refers to the minimum voltage level that an electronic component requires to operate correctly. It indicates the lowest voltage that can be applied to the component while still allowing it to function as intended. If the input voltage falls below this specified minimum, the component may not perform properly or may fail to operate altogether. This parameter is critical for ensuring reliable operation and longevity of the device in electronic circuits.

    4V
  • 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
  • Voltage - Output (Min/Fixed)

    Voltage - Output (Min/Fixed) refers to the minimum fixed output voltage level that an electronic component, such as a voltage regulator or power supply, is designed to provide under specified load conditions. This parameter ensures that the device consistently delivers a reliable voltage that meets the requirements of the connected circuits or components. It is critical for applications where stable and predictable voltage is necessary for proper operation.

    0.8V 1.8V 3.3V 5V
  • 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
  • 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).

    No
  • 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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