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LT1074CT
+NomenclatureSwitching Voltage Regulators Step-Down Switching Regulator
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FabricantÉquipement de simulation
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Pièce fabricant #LT1074CT
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Fiche technique LT1074CT DataSheet
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En stock6436
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Spécifications
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Présentation
Description
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
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
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
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.