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LM2575S-ADJ
+StücklisteIC REG BUCK ADJ 1A TO263
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HerstellerTexas Instruments
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Herstellerteil #LM2575S-ADJ
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Datenblatt LM2575S-ADJ DataSheet
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Auf Lager2191
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Spezifikationen
| Attribut | Wert |
| 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) | 40V |
| Voltage - Output (Min/Fixed) | 1.23V |
| Voltage - Output (Max) | 37V |
| 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 |
Übersicht
Description
The LM2575S-ADJ is a popular step-down (buck) voltage regulator designed for efficient power management in various applications. It features an adjustable output voltage capability, allowing users to set the output voltage between 1.23V and 37V. The device operates with a high efficiency of up to 90%, which minimizes heat generation and enhances performance in battery-powered and energy-sensitive applications.
Key specifications include a 1A output current capacity, a wide input voltage range from 7V to 40V, and a low dropout voltage, making it suitable for use in automotive, industrial, and consumer electronics. The LM2575S-ADJ is easy to implement, requiring only a few external components like inductors and capacitors to create a stable output voltage.
Additionally, it includes built-in protection features such as thermal shutdown and current limiting, ensuring reliable operation under various conditions. Overall, the LM2575S-ADJ is an efficient and versatile solution for powering electronic circuits requiring regulated voltage.
Key specifications include a 1A output current capacity, a wide input voltage range from 7V to 40V, and a low dropout voltage, making it suitable for use in automotive, industrial, and consumer electronics. The LM2575S-ADJ is easy to implement, requiring only a few external components like inductors and capacitors to create a stable output voltage.
Additionally, it includes built-in protection features such as thermal shutdown and current limiting, ensuring reliable operation under various conditions. Overall, the LM2575S-ADJ is an efficient and versatile solution for powering electronic circuits requiring regulated voltage.
Equivalent
Equivalent products to the LM2575S-ADJ include the LM2596, LM2576, and LM317 voltage regulators. Other alternatives are the TPS54331 and LT1084, which offer similar functionality for step-down (buck) voltage regulation. Always verify specifications, such as current rating and input/output voltage range, to ensure compatibility for your specific application.
Features
The LM2575S-ADJ is a step-down (buck) voltage regulator with adjustable output voltage. Key features include:
1. Input Voltage Range: Supports input voltages from 7V to 40V.
2. Output Current: Capable of providing up to 1A of output current.
3. Adjustable Output Voltage: Output voltage can be set between 1.23V and 37V using external resistors.
4. High Efficiency: Typically achieves efficiencies of up to 75% or more, reducing heat generation.
5. Built-in Protection: Includes thermal shutdown and current limiting to safeguard the circuit.
6. Simple Design: Requires few external components for operation, facilitating easy implementation.
7. Switching Frequency: Operates at a fixed switching frequency of 52 kHz, ensuring stable performance.
8. TO-220 Package: Available in a robust TO-220 package for heat dissipation.
These features make the LM2575S-ADJ suitable for various applications, including powering microcontrollers, sensors, and other electronic devices.
1. Input Voltage Range: Supports input voltages from 7V to 40V.
2. Output Current: Capable of providing up to 1A of output current.
3. Adjustable Output Voltage: Output voltage can be set between 1.23V and 37V using external resistors.
4. High Efficiency: Typically achieves efficiencies of up to 75% or more, reducing heat generation.
5. Built-in Protection: Includes thermal shutdown and current limiting to safeguard the circuit.
6. Simple Design: Requires few external components for operation, facilitating easy implementation.
7. Switching Frequency: Operates at a fixed switching frequency of 52 kHz, ensuring stable performance.
8. TO-220 Package: Available in a robust TO-220 package for heat dissipation.
These features make the LM2575S-ADJ suitable for various applications, including powering microcontrollers, sensors, and other electronic devices.
Pinout
The LM2575S-ADJ is a step-down (buck) voltage regulator with a total of 5 pins. Here are the pin functions:
1. Pin 1 (Vin): Input voltage supply. It connects to the input voltage source.
2. Pin 2 (GND): Ground. This pin is connected to the circuit ground.
3. Pin 3 (SW): Switch. This pin connects to the external inductor and is used during the switching process to regulate the output voltage.
4. Pin 4 (Vout): Output voltage. This pin provides the regulated output voltage to the load.
5. Pin 5 (Adj): Adjustable. This pin is used to set the output voltage level by connecting external resistors in a voltage divider configuration.
The LM2575S-ADJ is capable of delivering up to 1A of output current and can be adjusted to output voltages from 1.23V to 37V.
1. Pin 1 (Vin): Input voltage supply. It connects to the input voltage source.
2. Pin 2 (GND): Ground. This pin is connected to the circuit ground.
3. Pin 3 (SW): Switch. This pin connects to the external inductor and is used during the switching process to regulate the output voltage.
4. Pin 4 (Vout): Output voltage. This pin provides the regulated output voltage to the load.
5. Pin 5 (Adj): Adjustable. This pin is used to set the output voltage level by connecting external resistors in a voltage divider configuration.
The LM2575S-ADJ is capable of delivering up to 1A of output current and can be adjusted to output voltages from 1.23V to 37V.
Manufacturer
The LM2575S-ADJ is manufactured by Texas Instruments (TI), a prominent global semiconductor company. Founded in 1930, Texas Instruments is headquartered in Dallas, Texas, and is well-known for designing and manufacturing a wide range of electronic components, particularly analog and embedded processing products. The company serves various industries, including automotive, industrial, communications, and consumer electronics.
Texas Instruments is recognized for its innovation and leadership in the semiconductor space, producing integrated circuits (ICs), sensors, and processors that are essential for modern electronic systems. The LM2575S-ADJ is specifically a step-down (buck) voltage regulator that provides adjustable output voltage, making it suitable for various power management applications in electronics. TI’s focus on quality and reliability has solidified its reputation as a trusted supplier in the electronics market.
Texas Instruments is recognized for its innovation and leadership in the semiconductor space, producing integrated circuits (ICs), sensors, and processors that are essential for modern electronic systems. The LM2575S-ADJ is specifically a step-down (buck) voltage regulator that provides adjustable output voltage, making it suitable for various power management applications in electronics. TI’s focus on quality and reliability has solidified its reputation as a trusted supplier in the electronics market.
Application
The LM2575S-ADJ is a versatile step-down (buck) voltage regulator suitable for various applications, including:
1. Power Supplies: Used in switching power supplies for efficient voltage conversion.
2. Telecommunications: Provides stable voltage for communication devices and equipment.
3. Consumer Electronics: Powers devices like TVs, radios, and gaming consoles.
4. Industrial Automation: Supplies power to sensors, actuators, and control circuits.
5. Battery Chargers: Regulates voltage for charging batteries in portable electronics.
6. LED Drivers: Used in driving LED lighting systems with adjustable output.
Its adjustable output voltage and high efficiency make it ideal for these applications.
1. Power Supplies: Used in switching power supplies for efficient voltage conversion.
2. Telecommunications: Provides stable voltage for communication devices and equipment.
3. Consumer Electronics: Powers devices like TVs, radios, and gaming consoles.
4. Industrial Automation: Supplies power to sensors, actuators, and control circuits.
5. Battery Chargers: Regulates voltage for charging batteries in portable electronics.
6. LED Drivers: Used in driving LED lighting systems with adjustable output.
Its adjustable output voltage and high efficiency make it ideal for these applications.
Package
The LM2575S-ADJ is typically packaged in a TO-263 surface-mount package. This type of package is designed for efficient thermal dissipation and is suited for space-constrained applications.
