MP1583DN-LF-Z

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MP1583DN-LF-Z

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IC REG BUCK ADJ 3A 8SOICE

  • FabricanteMonolithic Power Systems Inc.

  • Peça do Fabricante #MP1583DN-LF-Z

  • Em Estoque4973

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Especificações

Atributo Valor
Part Status Not For New Designs
Base Product Number MP1583
Function Step-Down
Output Configuration Positive
Topology Buck
Output Type Adjustable
Number of Outputs 1
Voltage - Input (Min) 4.75V
Voltage - Input (Max) 23V
Voltage - Output (Min/Fixed) 1.22V
Voltage - Output (Max) 21V
Current - Output 3A
Frequency - Switching 385kHz
Synchronous Rectifier Yes
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package 8-SOIC (0.154", 3.90mm Width) Exposed Pad
Supplier Device Package 8-SOICE
Packaging Tape & Reel (TR)

Visão Geral

Description

The MP1583DN-LF-Z is a step-down (buck) voltage regulator designed by Monolithic Power Systems. It is used to efficiently convert higher input voltages to lower output voltages, suitable for powering various electronic devices and systems. This device supports a wide input voltage range and provides a stable output voltage, making it versatile for various applications.
Key features of the MP1583DN-LF-Z include a high-efficiency operation, typically over 90%, due to its pulse-width modulation (PWM) switching technique. It supports output currents up to 3A and includes protection features such as over-current protection (OCP), short-circuit protection (SCP), and thermal shutdown, ensuring robust operation even under stress conditions.
The MP1583DN-LF-Z is housed in a compact, thermally efficient package, ideal for space-constrained applications. It is commonly used in telecommunications, networking systems, and other consumer electronics where efficient power conversion is crucial. Additionally, its lead-free package tailors to environmentally-friendly design standards. Overall, this regulator is valued for its efficiency, reliability, and compact size.

Equivalent

The MP1583DN-LF-Z is a DC-DC buck converter chip by Monolithic Power Systems. Equivalent products include:
1. LM2596 by Texas Instruments - a popular buck converter with similar specifications.
2. L78S00 series by STMicroelectronics - another alternative with comparable functionality.
3. AP1509 by Diodes Incorporated - offers similar performance metrics.
4. MC34063 by ON Semiconductor - versatile with a wide range of applications.
When choosing an equivalent, verify specific application needs like voltage, current, and efficiency.

Features

The MP1583DN-LF-Z is a high-frequency, step-down switching regulator designed by Monolithic Power Systems. It typically features the following:
1. Input Voltage Range: It supports a wide input voltage range from 4.5V to 28V, making it suitable for various power supplies.
2. Output Current: The device can deliver up to 3A of continuous output current.
3. Efficiency: It offers high efficiency across its operating range due to its synchronous rectification design.
4. Switching Frequency: The MP1583DN-LF-Z operates at a fixed switching frequency which helps in reducing output ripple and improves transient response.
5. Protection Features: It includes overcurrent protection, under-voltage lockout, and thermal shutdown for enhanced reliability and safety.
6. Adjustable Output Voltage: The output voltage can be adjusted via external resistors, providing flexibility in applications.
7. Compact Package: It is available in a compact and thermally enhanced package which facilitates easy integration into various circuit designs.
These features make the MP1583DN-LF-Z suitable for use in consumer electronics, telecommunications, and other applications requiring efficient step-down power conversion.

Pinout

The MP1583DN-LF-Z is a step-down (buck) regulator designed by Monolithic Power Systems. It typically comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here’s a brief overview of its pin functions:
1. SW (Switch): Connects to the inductor and provides the switching output for the regulator.
2. IN (Input Voltage): The supply voltage input for the device.
3. GND (Ground): Reference point for the circuit.
4. FB (Feedback): Receives the output voltage feedback to regulate the output.
5. COMP (Compensation): Used for compensating the control loop.
6. EN (Enable): Used to enable or disable the device.
7. BS (Bootstrap): Supplies the voltage to the high-side MOSFET driver.
8. SS (Soft Start): Controls the soft-start period to limit inrush current during startup.
This IC is primarily used in applications where efficient power conversion is needed, providing a regulated output voltage from a higher input voltage source. It is used in various consumer electronics, telecommunications, and industrial applications.

Manufacturer

The MP1583DN-LF-Z is manufactured by Monolithic Power Systems (MPS). MPS is a company that specializes in the design and manufacturing of high-performance analog and mixed-signal semiconductors. Founded in 1997 and headquartered in San Jose, California, MPS focuses on providing solutions for power management applications, including power conversion, LED drivers, battery management, and motor drivers. The company serves a variety of markets such as consumer electronics, automotive, industrial, and telecommunications. MPS is known for its innovative products that emphasize efficiency, reliability, and compact design.

Application

The MP1583DN-LF-Z is a step-down converter IC primarily used in power management applications. Its main application areas include:
1. Consumer Electronics: Used in devices like smartphones, tablets, and laptops for efficient power conversion.
2. Industrial Equipment: Provides stable power supply solutions for various industrial applications.
3. Telecommunications: Used in networking and communication devices to maintain power efficiency.
4. Automotive Electronics: Supports power management in automotive systems, ensuring reliability and efficiency.
5. LED Drivers: Used in LED lighting systems to provide constant current supply.
Its wide input voltage range and high efficiency make it suitable for any application requiring efficient DC-DC power conversion.

Package

The MP1583DN-LF-Z is typically provided in a 3mm x 3mm 10-lead DFN (Dual Flat No-leads) package. This type of package is designed for compact and low-profile applications, offering good thermal performance and efficient space utilization on printed circuit boards (PCBs).

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