MP1494DJ-LF-Z

Imagens apenas para referência

MP1494DJ-LF-Z

+Lista de Materiais

IC REG BUCK ADJ 2A TSOT23-8

  • FabricanteMonolithic Power Systems Inc.

  • Peça do Fabricante #MP1494DJ-LF-Z

  • Pacote SOT-23-8

  • Em Estoque4369

365 Garantia de Qualidade em 1 dia

7*24 Garantia de serviço em 24 horas

90-Garantia de pós-venda em 1 dia

Garantia de Produto Genuíno

Especificações

Atributo Valor
Package / Case Tape & Reel (TR),Cut Tape (CT)
Part Status Not For New Designs
Function Step-Down
Output Configuration Positive
Topology Buck
Output Type Adjustable
Number of Outputs 1
Voltage - Input (Min) 4.5V
Voltage - Input (Max) 16V
Voltage - Output (Min/Fixed) 0.8V
Voltage - Output (Max) 13V
Current - Output 2A
Frequency - Switching 500kHz
Synchronous Rectifier Yes
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount

Visão Geral

Description

The MP1494DJ-LF-Z is a high-efficiency, step-down, synchronous buck converter designed for applications requiring a compact solution with minimal external components. It operates over a wide input voltage range, typically from 4.5V to 26V, and provides an adjustable output voltage down to 0.8V with maximum load current of 3A. The device integrates high-side and low-side MOSFETs, which enhance efficiency and reduce the required footprint. Key features include a current-mode control for fast transient response, internal soft start to prevent inrush current, and over-current protection to safeguard against overload conditions. The MP1494DJ-LF-Z also features a low dropout mode for maintaining regulation during low input voltage conditions. With a fixed 340kHz switching frequency, it strikes a balance between efficiency and component size, making it suitable for applications like distributed power systems, battery-powered devices, and various consumer electronics. Its availability in a compact QFN package further aids in space-constrained applications.

Equivalent

The MP1494DJ-LF-Z is a DC-DC buck converter. Equivalent products include:
1. LM2596 from Texas Instruments - A popular step-down voltage regulator.
2. XL4015 from XLSEMI - A 5A DC-DC buck converter.
3. LM2678 from Texas Instruments - A 5A step-down voltage regulator with similar functionality.
4. TPS54331 from Texas Instruments - A 3A, step-down converter with similar features.
Always verify specifications and pin compatibility before substituting.

Features

The MP1494DJ-LF-Z is a step-down converter designed for efficient voltage regulation in electronic circuits. Key features include:
1. Wide Input Voltage Range: It supports an input range from 4.5V to 18V, making it versatile for various applications.
2. Output Voltage Range: It offers an adjustable output ranging from 0.8V to 0.85 x VIN, providing flexibility for different power requirements.
3. High Efficiency: The device is designed to deliver high efficiency, which is crucial for energy-saving and heat reduction in electronic systems.
4. Output Current: It can supply up to 3A of continuous output current, suitable for powering multiple loads.
5. Switching Frequency: Features a fixed 340kHz switching frequency, balancing size and efficiency.
6. Protection Features: Includes over-current protection, thermal shutdown, and under-voltage lockout to ensure reliability and safety.
7. Compact Design: Available in a small TSOT23-8 package, optimizing space in compact circuit designs.
These features make the MP1494DJ-LF-Z a reliable choice for power management in consumer electronics, industrial equipment, and other applications.

Pinout

The MP1494DJ-LF-Z is a monolithic step-down switch mode converter with integrated high-side and low-side power MOSFETs. It typically comes in a 10-pin package configuration. The key functions of the MP1494DJ-LF-Z include stepping down a higher input voltage to a lower output voltage, providing up to 3A of continuous output current.
The 10 pins are used for the following functions:
1. SW (Switching Node): Connects to the inductor for energy transfer.
2. VIN (Input Voltage): Receives the input supply voltage.
3. GND (Ground): Common ground reference for the device.
4. FB (Feedback): Provides output voltage feedback for regulation.
5. EN (Enable): Enables or disables the converter.
6. BST (Bootstrap): Supplies power to the high-side gate driver.
7. COMP (Compensation): Connects to an external network to stabilize the control loop.
8. SS (Soft Start): Controls the soft-start time with an external capacitor.
9. SYNC (Synchronization): Synchronizes the internal oscillator to an external clock.
10. PG (Power Good): Indicates the status of the output voltage.
These functions allow the MP1494DJ-LF-Z to be used effectively in applications requiring efficient voltage step-down from a wide input range.

Manufacturer

The MP1494DJ-LF-Z is manufactured by Monolithic Power Systems (MPS). MPS is a company that specializes in designing and providing high-performance power solutions. They focus on innovative semiconductor solutions for a variety of applications, including automotive, industrial, consumer electronics, and telecommunications. MPS is known for integrating advanced process technologies and design techniques to create efficient power management products.

Application

The MP1494DJ-LF-Z is a step-down regulator used in power management applications. Its primary application areas include:
1. Consumer Electronics: Powers devices like smartphones, tablets, and laptops by efficiently converting voltage levels.
2. Telecommunications: Used in network devices and base stations for stable power supply.
3. Industrial Automation: Supports various industrial controls and robotic applications by providing reliable voltage regulation.
4. Automotive Systems: Used in infotainment systems, dashboards, and other electronic components requiring stable power.
5. LED Drivers: Powers LED lighting systems with precise voltage requirements.
6. Embedded Systems: Supports microcontrollers and microprocessors by providing consistent power levels.
These applications benefit from the IC's efficiency, compact size, and reliability.

Package

The MP1494DJ-LF-Z is typically available in a SOIC-8 package. This package type is commonly used for surface-mount applications, providing a compact and efficient design suitable for various electronic circuits.

Produtos relacionados a MP1494DJ-LF-Z