LT1074CT

Images à titre indicatif uniquement

LT1074CT

+Nomenclature

Switching Voltage Regulators Step-Down Switching Regulator

  • FabricantÉquipement de simulation

  • Pièce fabricant #LT1074CT

  • Fiche technique LT1074CT DataSheet

  • En stock6436

365 Garantie qualité 24h/24

7*24 Garantie de service 24h/24

90-Garantie après-vente 24h/24

Garantie produit authentique

Spécifications

Attribut Valeur

Présentation

Description

The LT1074CT is a versatile, high-efficiency step-down (buck) switching regulator designed by Linear Technology, now part of Analog Devices. It is used to convert higher voltage inputs to lower voltage outputs with high efficiency, making it suitable for power management in various electronic applications. This device operates with an input voltage range of 3.5V to 60V and can deliver up to 5A of output current.
Key features of the LT1074CT include its ability to maintain high efficiency (up to 90%) across a wide range of load conditions, built-in frequency compensation, and current limiting for enhanced performance and protection. The internal oscillator can be synchronized with external clocks, offering flexibility in design. Additionally, the LT1074CT provides thermal shutdown and soft-start capabilities, which can help reduce inrush current and protect against overheating.
Its robust design and ease of use make the LT1074CT suitable for a wide range of applications, including industrial, automotive, telecommunications, and other areas where reliable voltage regulation is necessary.

Equivalent

The LT1074CT is a switching regulator IC commonly used for power supply applications. Equivalent products include:
1. LM2576 - from Texas Instruments.
2. MC34063 - from multiple manufacturers like ON Semiconductor.
3. LM2596 - another Texas Instruments product.
4. L4970A - from STMicroelectronics.
These alternatives offer similar functionalities, although specifications like input voltage range, output current, and efficiency may vary. Always compare datasheets to ensure compatibility for your application.

Features

The LT1074CT is a step-down (buck) switching regulator designed for efficiency and ease of use. Here are its key features:
1. Wide Input Voltage Range: It operates efficiently over a broad range of input voltages, typically from 8V to 60V, making it versatile for various applications.
2. High Efficiency: The device is designed to deliver high efficiency, often above 80%, which helps minimize heat generation and power loss.
3. Output Current: It can deliver up to 5A of output current, suitable for powering moderate to high-power loads.
4. Adjustable Output Voltage: The output voltage can be adjusted via an external resistor divider, allowing customization for different applications.
5. Low External Component Count: The LT1074CT requires a minimal number of external components, simplifying circuit design and reducing space.
6. Current Limiting: It features built-in current limiting to protect against overload conditions.
7. Thermal Shutdown: The regulator includes thermal shutdown protection to prevent damage from overheating.
8. On-chip Power Transistor: Integrates a power transistor to streamline design and enhance reliability.
These features make the LT1074CT an excellent choice for efficient power supply design in various electronic applications.

Pinout

The LT1074CT is a high-efficiency, step-down (buck) switching regulator designed by Linear Technology, now part of Analog Devices. It comes in a TO-220 package with 5 pins. Here is a brief overview of the pin functions:
1. Pin 1 (VIN): Input voltage supply. This is where the input voltage is applied to the regulator.

2. Pin 2 (SW - Switch Output): This pin is connected to the inductor and is the output switch for the switching regulator. It rapidly switches between VIN and GND to regulate the output voltage.
3. Pin 3 (GND - Ground): Common ground reference for the regulator circuit.
4. Pin 4 (FB - Feedback): Feedback input for voltage regulation. It monitors the output voltage to adjust the duty cycle and maintain a stable output.

5. Pin 5 (VC - Compensation): This pin is used for frequency compensation and soft-start controls. It can be connected to external components to stabilize the control loop and set soft-start timing.
The LT1074CT is used in applications requiring efficient voltage conversion with minimal external components.

Manufacturer

The LT1074CT is manufactured by Linear Technology Corporation. Linear Technology is a company that specializes in the design, manufacture, and marketing of high-performance analog integrated circuits. Their products are typically used in a wide range of applications, including telecommunications, networking, industrial, automotive, computer, medical, instrumentation, consumer, and military systems.

Application

The LT1074CT is a versatile step-down (buck) switching regulator. It is commonly used in applications requiring efficient voltage conversion from a higher to a lower voltage, such as power supplies for microprocessors, DSPs, and other digital or analog circuits. It is suitable for battery-powered devices, automotive electronics, industrial equipment, and telecommunications systems due to its high efficiency and ability to deliver up to 5A output current. The LT1074CT is also utilized in situations where heat dissipation needs to be minimized, and space is at a premium, thanks to its efficient thermal management and compact TO-220 package.

Package

The LT1074CT is a voltage regulator integrated circuit that comes in a TO-220 package. This package type is commonly used for power semiconductors because it provides good heat dissipation and is suitable for through-hole mounting.

Produits liés à LT1074CT