LTC3810EG

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LTC3810EG

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Spécifications

Brand Analog Devices

Vue d'ensemble

Description

The LTC3810EG is a high-performance, synchronous step-down (buck) voltage regulator from Analog Devices. It is designed to provide efficient power conversion with a wide input voltage range, typically from 4.5V to 60V, making it suitable for various applications, including automotive, industrial, and telecommunications.
Key features include a high switching frequency of up to 1MHz, allowing for smaller inductors and capacitors, and an integrated driver that enhances efficiency. The device supports a range of output currents and can operate in a phase-locked loop (PLL) mode for synchronization with external clocks.
The LTC3810EG also includes various protection features such as overvoltage protection (OVP), overcurrent protection (OCP), and thermal shutdown, ensuring reliable operation. Additionally, it offers flexible output voltage options and can be used in parallel configurations for higher current demands. Overall, it is an excellent choice for designers seeking a robust and efficient power management solution.

Features

The LTC3810EG is a high-performance synchronous step-down DC-DC controller designed for a wide range of applications. Key features include:
1. Wide Input Voltage Range: Operates from 4.5V to 60V, making it suitable for various power supply requirements.
2. High Efficiency: Utilizes synchronous rectification, achieving efficiencies up to 95% to minimize power loss.
3. Adjustable Output Voltage: Supports output voltages from 0.8V to 10V, allowing for flexibility in design.
4. Current Mode Control: Provides fast transient response and ease of compensation for loop stability.
5. Programmable Switching Frequency: Adjustable from 100kHz to 1MHz for optimal performance and size.
6. Integrated Driver: Includes high and low-side MOSFET drivers to simplify design and reduce components.
7. Soft-Start Feature: Reduces inrush current during startup, enhancing reliability.
8. Overvoltage and Overcurrent Protection: Ensures safe operation under fault conditions.
These features make the LTC3810EG ideal for use in telecom, automotive, and industrial applications.

Package

The LTC3810EG comes in a 28-lead TSSOP (Thin Shrink Small Outline Package) package type.

Pinout

The LTC3810EG is a high-performance, synchronous step-down voltage regulator controller. It comes in a 20-pin TSSOP (Thin Shrink Small Outline Package) with the following key pin functions:
1. VIN - Input voltage supply.
2. SW - Switch node for connecting to the inductor.
3. PGND - Power ground connection.
4. SGND - Signal ground connection.
5. COMP - Compensation node for control loop stability.
6. FB - Feedback voltage input for regulation.
7. ILIM - Current limit adjustment.
8. SYNC - Synchronization input for external clock.
9. RT - Resistor programming for switching frequency.
10. EN - Enable pin for power management.
11. SS - Soft-start function to control output ramp-up.
12. VREF - Reference voltage output.
13. RAMP - Ramp signal input for voltage control.
14. DUTY - Duty cycle control.
15. VOUT - Output voltage monitoring.
16. NFAULT - Fault indication output.
17. VCC - Internal supply voltage.
18. CLKOUT - Clock output for phase synchronization.
19. CSN/CSN - Current sense inputs.
20. ISEN - Current sensing connection.
This versatile pinout supports a wide range of applications in power management systems.

Manufacturer

The LTC3810EG is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company headquartered in Norwood, Massachusetts, specializing in data conversion, signal processing, and power management solutions. Established in 1965, the company develops a wide range of integrated circuits and systems for various industries, including communications, automotive, industrial, and consumer electronics. The LTC3810EG is a multi-phase step-down voltage regulator controller designed for high-efficiency power management applications. Analog Devices focuses on innovation and precision in their products, catering to the needs of engineers and designers worldwide.

Application

The LTC3810EG is a high-performance, synchronous step-down DC-DC controller used in various applications, including automotive power supplies, industrial equipment, telecommunications, and portable devices. It is ideal for powering microprocessors, FPGAs, and other digital circuits requiring efficient voltage regulation. Its ability to manage high input voltages and provide adjustable output voltages makes it suitable for battery management systems and other high-efficiency power conversion needs.

Equivalent

The LTC3810EG is a high-performance DC-DC controller. Equivalent products include the TPS53015 from Texas Instruments, the LM5118 from Texas Instruments, and the LTC3780 from Analog Devices. These parts offer similar features like voltage regulation, current sensing, and PWM control, suitable for various power management applications. Always check the specific requirements of your design for compatibility.

Expédition

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Référence des frais d'expédition (DHL/FedEx):

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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