LM2575HVS-ADJ

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LM2575HVS-ADJ

IC REG BUCK ADJ 1A TO263

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Spécifications

Series SIMPLE SWITCHER®
Part Status Obsolete
Function Step-Down
Output Configuration Positive
Topology Buck
Output Type Adjustable
Number of Outputs 1
Voltage - Input (Min) 4V
Voltage - Input (Max) 60V
Voltage - Output (Min/Fixed) 1.23V
Voltage - Output (Max) 57V
Current - Output 1A
Frequency - Switching 52kHz
Synchronous Rectifier No
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount
Package / Case TO-263-6, D2PAK (5 Leads + Tab), TO-263BA
Supplier Device Package TO-263 (DDPAK-5)
Base Product Number LM2575

Vue d'ensemble

Description

The LM2575HVS-ADJ is a step-down (buck) voltage regulator designed to provide an adjustable output voltage for various applications. It operates with a wide input voltage range, typically from 4.5V to 60V, making it suitable for high-voltage systems. The device can deliver up to 1A of output current, efficiently converting higher voltages to lower levels while minimizing heat generation.
This regulator features a built-in switch, making it easier to design power supply circuits without requiring additional external components. It has a high efficiency, often exceeding 75%, and is protected against thermal overload and short circuits, ensuring reliable performance.
The LM2575HVS-ADJ is popular in automotive, industrial, and consumer electronics, where adjustable voltage outputs are needed. Its simplicity and effectiveness make it a preferred choice for designers seeking a robust, cost-effective solution for power management.

Features

The LM2575HVS-ADJ is a step-down (buck) voltage regulator designed for high-efficiency power conversion applications. Key features include:
1. Adjustable Output Voltage: The output voltage can be set from 1.23V to 37V using external resistors.
2. High Efficiency: Typically achieves efficiencies of up to 75% to 90%, minimizing heat generation.
3. Wide Input Voltage Range: Accepts input voltages from 4.5V to 60V, accommodating various power sources.
4. Output Current Capability: Provides a maximum output current of 1A.
5. Thermal Shutdown and Current Limiting: Built-in protection features enhance reliability and prevent damage.
6. Simple Design: Requires minimal external components for easy circuit design.
7. Frequency Operation: Operates at a fixed frequency of 52 kHz, allowing for smaller inductors and capacitors.
8. TO-220 and TO-263 Packages: Available in multiple packaging options for flexibility in design.
These features make the LM2575HVS-ADJ suitable for applications like battery chargers, power supplies, and LED drivers.

Package

The LM2575HVS-ADJ is available in a TO-263 package type. This surface-mount package is designed for efficient thermal management and is suitable for various applications in power regulation.

Pinout

The LM2575HVS-ADJ is a step-down (buck) voltage regulator with a total of 5 pins. The pin functions are as follows:
1. Vin (Pin 1): Input voltage supply.
2. GND (Pin 2): Ground reference.
3. SW (Pin 3): Switch output, connected to the inductor.
4. Vout (Pin 4): Adjustable output voltage, connected to an external resistor divider for setting the output voltage.
5. COMP (Pin 5): Compensation pin, used for frequency compensation and stability of the regulator.
The LM2575HVS-ADJ can provide a maximum output current of 1A and offers adjustable output voltages from 1.23V to 37V. It is designed for applications requiring an efficient step-down voltage regulation.

Manufacturer

The LM2575HVS-ADJ is manufactured by Texas Instruments (TI). Texas Instruments is a semiconductor company that designs and produces a wide range of analog and digital electronic components. Founded in 1930, the company is well-known for its integrated circuits (ICs), particularly in areas such as signal processing, microcontrollers, and power management solutions. TI serves various markets including automotive, industrial, communication, and consumer electronics, providing innovative technologies that enable the development of smarter and more efficient electronic systems.

Application

The LM2575HVS-ADJ is a step-down (buck) voltage regulator used in various applications, including power supplies for industrial equipment, automotive systems, consumer electronics, battery chargers, and LED drivers. Its adjustable output voltage feature makes it suitable for a range of devices requiring efficient voltage regulation, efficient power conversion, and thermal management.

Equivalent

Equivalent products to the LM2575HVS-ADJ include the LM2575-ADJ, LM2576-ADJ, and LM2596-ADJ from Texas Instruments. Other alternatives are the LMT76, LT1083, and MIC2940 from different manufacturers. Ensure compatibility in terms of input voltage, output current, and package type when selecting an equivalent.

Expédition

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DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.

FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

Paiements

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