MP1474DJ-LF-Z

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MP1474DJ-LF-Z

IC REG BUCK ADJ 2A TSOT23-8

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  • Ông. Phần #MP1474DJ-LF-Z
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Bảo hành 365 ngày

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Thông số kỹ thuật

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
Package / Case SOT-23-8 Thin, TSOT-23-8
Supplier Device Package TSOT-23-8
Base Product Number MP1474

Tổng quan

Description

The MP1474DJ-LF-Z is a high-efficiency, step-down (buck) switching regulator designed for powering low-voltage applications. It features a wide input voltage range, typically from 4.5V to 18V, making it suitable for various power sources, including batteries and wall adapters. The device can deliver up to 3A of output current, with an adjustable output voltage, allowing for flexibility in different applications.
Key characteristics include its high efficiency, often exceeding 95%, which reduces heat generation and improves system reliability. The MP1474DJ-LF-Z also integrates an internal switch, simplifying the design and minimizing the number of external components required. It includes various protection features, such as overcurrent protection and thermal shutdown, ensuring safe operation under various conditions.
This regulator is commonly used in applications like power supplies for consumer electronics, automotive systems, and industrial equipment. Its compact package and ease of use make it a popular choice among designers seeking reliable power management solutions.

Features

The MP1474DJ-LF-Z is a high-performance step-down (buck) voltage regulator. Key features include:
1. Input Voltage Range: It operates from 4.5V to 36V, making it suitable for various applications.
2. Output Current: Capable of delivering up to 3A of output current, ensuring robust performance in demanding environments.
3. Adjustable Output Voltage: The output voltage can be adjusted down to 0.8V, providing flexibility for different circuit requirements.
4. High Efficiency: With efficiencies up to 95%, it minimizes power loss and thermal generation.
5. Built-in Protection Features: Includes overcurrent protection, thermal shutdown, and under-voltage lockout, enhancing reliability.
6. Switching Frequency: Operates at a nominal switching frequency of 300kHz, allowing for smaller external components.
7. Synchronous Rectification: This feature improves efficiency and reduces heat generation in the circuit.
8. Compact Package: Housed in a small, thermally enhanced 8-pin SOIC package for space-constrained designs.
Overall, the MP1474DJ-LF-Z is ideal for applications such as power management in automotive, industrial, and consumer electronics.

Package

The MP1474DJ-LF-Z is packaged in a 12-pin QFN (Quad Flat No-lead) format, which offers a compact design and efficient thermal performance for integrated circuits.

Pinout

The MP1474DJ-LF-Z is a monolithic step-down regulator with a pin count of 8. Its primary functions are to convert a higher input voltage to a lower output voltage efficiently.
The pin configuration is as follows:
1. VIN: Input voltage supply.
2. SW: Switch node connected to the inductor.
3. GND: Ground reference.
4. COMP: Compensation network connection for stability.
5. FB: Feedback voltage sense point for output regulation.
6. EN: Enable pin to turn the device on or off.
7. SS: Soft-start pin to control the rise time of the output voltage.
8. ILIM: Current limit set point.
This device is designed for applications requiring compact and efficient power supply solutions, such as in portable devices and consumer electronics.

Manufacturer

The MP1474DJ-LF-Z is manufactured by Monolithic Power Systems (MPS), a company that specializes in high-performance analog and mixed-signal semiconductors. MPS designs and produces a variety of power management solutions, including voltage regulators, LED drivers, and motor drivers, catering to applications across various sectors such as consumer electronics, automotive, and industrial markets. Established in 1997, MPS is known for its focus on efficiency, reliability, and innovation in power management technology. The company's products are widely used in devices requiring compact and energy-efficient power solutions.

Application

The MP1474DJ-LF-Z is a high-efficiency, step-down (buck) DC-DC converter. It is commonly used in applications such as battery-powered devices, portable electronics, LED drivers, and power management in consumer products. Its ability to provide adjustable output voltage and high current capabilities makes it suitable for automotive, industrial, and telecommunications applications as well.

Equivalent

Equivalent products to the MP1474DJ-LF-Z chip include the LM2596, LM2576, and LMR23610. These alternatives provide similar functionalities, such as step-down (buck) voltage regulation. However, ensure to check specific parameters like input/output voltage, current ratings, and package types for compatibility with your application.

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