LT8613IUDE

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LT8613IUDE

IC REG BUCK ADJ 6A 28QFN

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Especificaciones

Part Status Obsolete
Function Step-Down
Output Configuration Positive or Negative
Topology Buck
Output Type Adjustable
Number of Outputs 1
Voltage - Input (Min) 3.4V
Voltage - Input (Max) 42V
Voltage - Output (Min/Fixed) 0.97V
Voltage - Output (Max) 41.58V
Current - Output 6A
Frequency - Switching 200kHz ~ 2.2MHz
Synchronous Rectifier Yes
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount
Package / Case 28-WFQFN Exposed Pad
Supplier Device Package 28-QFN (3x6)
Base Product Number LT8613

Descripción general

Description

The LT8613IUDE is a high-efficiency, step-down voltage regulator from Analog Devices, part of their LT8613 series. Designed to deliver up to 6A of continuous output current, it operates with an input voltage range from 3V to 42V, making it suitable for a variety of applications including automotive, industrial, and communications systems. One of its standout features is the ability to achieve efficiencies as high as 95%, which helps in minimizing heat generation and power loss.
The regulator utilizes a synchronous rectification design to enhance efficiency and supports fast transient response due to its high switching frequency, which can be adjusted up to 2.2MHz. This allows for the use of smaller external components, reducing the overall footprint. The LT8613IUDE also includes a built-in compensation network for ease of use and features like low quiescent current, making it optimal for battery-powered applications. Other features include soft-start capability, power good flag, and short-circuit protection. The device is packaged in a thermally enhanced 28-lead 4mm x 5mm QFN, which aids in efficient heat dissipation.

Features

The LT8613IUDE is a step-down DC/DC converter IC designed by Analog Devices, primarily utilized for efficient power management in electronic devices. Key features include:
1. High Efficiency: Offers up to 96% efficiency with peak current-mode control, minimizing power loss and heat generation.
2. Wide Input Voltage Range: Supports input voltages from 3V to 42V, making it suitable for a variety of applications, including automotive systems.
3. High Output Current: Capable of delivering up to 6A continuous output current.
4. Fast Switching Frequency: Operates at a high switching frequency of up to 2.2MHz, which allows the use of small inductors and capacitors, reducing overall solution size.
5. Low Quiescent Current: Consumes only 2.5µA of quiescent current, enhancing battery life in portable applications.
6. Low Dropout Operation: Maintains regulation at low dropout, with a minimum on-time of 35ns.
7. Compact Package: Available in a 5mm x 6mm 28-lead QFN package, optimizing PCB space.
8. Protection Features: Includes features like thermal shutdown, overcurrent protection, and short-circuit protection for enhanced reliability.
These features make the LT8613IUDE suitable for applications requiring compact size, high efficiency, and robust performance.

Package

The LT8613IUDE is a synchronous step-down regulator from Analog Devices (formerly Linear Technology). It comes in a 28-lead plastic 4mm × 5mm DFN (Dual Flat No-Lead) package with an exposed pad for better thermal performance.

Pinout

The LT8613IUDE is a 16-pin integrated circuit designed by Analog Devices (formerly Linear Technology), functioning as a high-efficiency synchronous step-down regulator. It is capable of delivering up to 6A of continuous output current. This device features a wide input voltage range, low quiescent current, and fast transient response, making it suitable for various applications including automotive and industrial systems.
Key functions of the pins include:
- VIN (Pin 1): Input voltage supply.
- SW (Pin 2-3): Switch node connecting to the inductor.
- BST (Pin 4): Bootstrapped capacitor connection for the high-side driver.
- PGND (Pin 5-6): Power ground.
- SYNC (Pin 7): Synchronization input for external clock.
- RT (Pin 8): Resistor timing frequency set input.
- FB (Pin 9): Feedback input for output voltage regulation.
- TR/SS (Pin 10): Soft-start and tracking input.
- PG (Pin 11): Power good indicator.
- BIAS (Pin 12): Optional input for internal bias.
- GND (Pin 13): Ground.
- EN/UVLO (Pin 14): Enable and undervoltage lockout.
- VOUT (Pin 15-16): Output voltage connection.
This configuration enables the device to seamlessly integrate into various power supply designs.

Manufacturer

The LT8613IUDE is manufactured by Analog Devices, Inc. (ADI). Analog Devices is a multinational company specializing in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits used in a wide array of electronic equipment. The company is known for its innovative solutions in areas such as data conversion, signal processing, and power management, among others. ADI serves various industries including automotive, communication, healthcare, and industrial applications.

Application

The LT8613IUDE is a synchronous step-down regulator, commonly used in applications requiring efficient voltage regulation. Key areas include automotive power systems, industrial power supplies, telecommunications, and networking equipment. It is ideal for situations needing high-efficiency conversion from higher voltage sources to lower output voltages, such as powering microcontrollers, FPGAs, and sensors. Its compact size and high switching frequency make it suitable for space-constrained circuit designs.

Equivalent

The LT8613IUDE is a high-efficiency, monolithic step-down regulator. Equivalent products may include:
1. Texas Instruments LM61460-Q1: A high-efficiency, synchronous buck converter.
2. Maxim Integrated MAX20011: A high-efficiency, step-down converter with similar voltage and current specifications.
3. Infineon TLF50211EL: A synchronous step-down DC-DC converter.
Ensure to compare specifications like input/output voltage, current, efficiency, and package type for compatibility.

Envío

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Referencia de tarifas de envío (DHL/FedEx):

DHL: El costo de envío oscila entre $25-$45 (0.5kg), con un tiempo de entrega estimado de 2-5 días hábiles.

FedEx: El costo de envío oscila entre $25-$40 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

UPS: El costo de envío oscila entre $25-$45 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

TNT: El costo de envío oscila entre $25-$65 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

EMS: El costo de envío oscila entre $30-$50 (0.5kg), con un plazo de entrega estimado de 7-15 días hábiles.

Correo aéreo registrado: El costo de envío es de $2-$4 (0.1kg), con un tiempo de entrega estimado de 5-20 días hábiles.

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