LM2595S-ADJ

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LM2595S-ADJ

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IC REG BUCK ADJ 1A TO263-5

  • 製造商德州儀器

  • 製造商部分 #LM2595S-ADJ

  • 包裹 TO-263 (KTT)-5

  • 有存貨6648

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正品保證

規格

屬性 價值
Package Tube
Series SIMPLE SWITCHER®
ProductStatus Not For New Designs
Function Step-Down
OutputConfiguration Positive
Topology Buck
OutputType Adjustable
NumberofOutputs 1
Voltage-Input(Min) 4.5V
Voltage-Input(Max) 40V
Voltage-Output(Min/Fixed) 1.2V
Voltage-Output(Max) 37V
Current-Output 1A
Frequency-Switching 150kHz
SynchronousRectifier No
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Surface Mount
Package/Case TO-263-6, D²Pak (5 Leads + Tab), TO-263BA

概述

Description

The LM2595S-ADJ is a versatile and efficient step-down voltage regulator from the LM2595 series. Designed to provide a stable output voltage from a higher input voltage, it is particularly useful in applications where power efficiency is crucial. The "ADJ" in its designation indicates that it is an adjustable version, allowing users to set the desired output voltage using external resistors, typically in the range of 1.2V to 37V.
This regulator is capable of delivering up to 1A of output current, making it suitable for a range of applications, including power supplies for microcontrollers, communication devices, and portable electronics. The LM2595S-ADJ operates at a fixed switching frequency of 150 kHz, contributing to its efficiency by minimizing energy loss during the voltage conversion process.
Key features include a wide input voltage range, thermal shutdown, current-limiting protection, and a simple design requiring a minimal number of external components. It also comes in a TO-263 surface-mount package, making it convenient for PCB assembly in various electronic applications.

Equivalent

The LM2595S-ADJ is a voltage regulator from Texas Instruments. Equivalent products include the LM2596S-ADJ which offers similar functionality and specifications. Other alternatives could include the LMR33630 family, also from Texas Instruments, or comparable adjustable step-down regulators from other manufacturers like the MC34063 from ON Semiconductor and the XL4015 from XLSEMI. Always verify electrical characteristics and pin compatibility before substituting.

Features

The LM2595S-ADJ is a step-down voltage regulator with adjustable output, designed to provide high-efficiency power conversion. Key features include:
1. Adjustable Output Voltage: The output voltage can be set between 1.23V and 37V using an external resistor divider.
2. Efficiency: Offers up to 90% efficiency, minimizing heat generation and energy loss.
3. Output Current: Capable of delivering up to 1A of continuous output current.
4. Wide Input Voltage Range: Supports a broad input voltage range from 4.5V to 40V.
5. Fixed Frequency Operation: Operates at a fixed switching frequency of 150 kHz, simplifying filter design.
6. Thermal Shutdown and Current Limiting: Includes built-in protection features to prevent damage from overheating and excessive current.
7. Low Standby Current: Designed to consume minimal power during standby, enhancing efficiency.
8. Simple Design: Requires only a few external components for operation.
These features make the LM2595S-ADJ suitable for applications requiring efficient and reliable power supply solutions in various electronic devices.

Pinout

The LM2595S-ADJ is a step-down (buck) voltage regulator with adjustable output. It is typically available in a 5-pin TO-263 or TO-220 package. Here are the pin functions:
1. Vin: Input voltage pin where the unregulated input voltage is applied. It can handle input voltages ranging from about 4.5V to 40V.
2. GND: Ground pin, which is the common ground for both the input and output voltages.
3. Vout: Output voltage pin that provides the regulated output voltage. The output voltage can be adjusted using an external resistor divider.
4. Feedback (Adj): This pin is used to set the output voltage. The voltage at this pin is 1.23V and it is connected to the midpoint of an external resistor divider between the output and ground.
5. ON/OFF (Enable): This pin is used to enable or disable the regulator. A high voltage on this pin turns the regulator off, while a low voltage turns it on.
The LM2595S-ADJ is designed for ease of use and typically requires a minimal number of external components for operation.

Manufacturer

The LM2595S-ADJ is a voltage regulator typically manufactured by Texas Instruments. Texas Instruments, often abbreviated as TI, is an American technology company that designs and manufactures semiconductors and integrated circuits. They are one of the largest semiconductor companies globally, serving various industries, including automotive, industrial, electronics, and communications. Texas Instruments is known especially for its analog chips and embedded processors, which are used in a wide range of electronic devices.

Application

The LM2595S-ADJ is a versatile step-down (buck) voltage regulator known for its efficient power conversion capabilities. It is commonly used in various application areas, including:
1. Power Supply Design: Ideal for converting higher DC voltage to a stable lower voltage in power supplies.
2. Consumer Electronics: Used in devices like laptops and tablets for efficient power management.
3. Industrial Automation: Powers sensors and controllers by providing a stable voltage output.
4. Telecommunications: Provides regulated power to networking equipment.
5. Automotive: Utilized in in-car electronic systems for voltage regulation.
6. Battery-Powered Devices: Extends battery life by efficiently managing power consumption.
These applications benefit from its adjustable output voltage and high efficiency.

Package

The LM2595S-ADJ is a step-down voltage regulator with an adjustable output. It typically comes in a TO-263 surface-mount package, also known as a D2PAK. This package type is designed for efficient thermal performance and ease of mounting on a printed circuit board.