MP3221GJ-Z

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MP3221GJ-Z

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IC REG BOOST ADJ 2.7A TSOT23-6

  • HerstellerMonolithic Power Systems Inc.

  • Herstellerteil #MP3221GJ-Z

  • Auf Lager2430

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Spezifikationen

Attribut Wert
Part Status Active
Base Product Number MP3221
Function Step-Up
Output Configuration Positive
Topology Boost
Output Type Adjustable
Number of Outputs 1
Voltage - Input (Min) 2.5V
Voltage - Input (Max) 6V
Voltage - Output (Min/Fixed) 3V
Voltage - Output (Max) 6V
Current - Output 2.7A (Switch)
Frequency - Switching 1.2MHz
Synchronous Rectifier No
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount
Package SOT-23-6 Thin, TSOT-23-6
Supplier Device Package TSOT-23-6
Packaging Cut Tape (CT), Tape & Reel (TR)

Übersicht

Description

The MP3221GJ-Z is a step-up (boost) DC-DC converter designed by Monolithic Power Systems. It is used to increase input voltage to a desired higher output voltage efficiently. This particular model features high efficiency, low quiescent current, and a wide input voltage range, making it suitable for battery-powered applications.
Key features include a high switching frequency, which allows the use of smaller external components, reducing overall circuit size. It also has built-in protection mechanisms such as over-current protection, thermal shutdown, and under-voltage lockout to enhance reliability and safety during operation.
The MP3221GJ-Z is commonly used in portable electronics, LCD displays, and other applications requiring stable boosted voltage. Its compact package and robust performance make it ideal for space-constrained designs. As always, consulting the specific datasheet for the MP3221GJ-Z provides detailed electrical characteristics, application guidelines, and circuit configurations to ensure proper integration into your project.

Equivalent

The MP3221GJ-Z is a boost converter chip by Monolithic Power Systems. Equivalent products would likely include similar boost converters from other manufacturers, such as:
1. TPS61021A from Texas Instruments
2. LTC3122 from Analog Devices
3. MAX1798 from Maxim Integrated
4. AP3012 from Diodes Incorporated
Always check the datasheets for specific feature matches, such as voltage range, current output, and efficiency, to ensure they meet your requirements.

Features

The MP3221GJ-Z is a high-efficiency, step-up DC-DC converter designed by Monolithic Power Systems. It is primarily used for driving white LEDs and in applications requiring an efficient boost in voltage. Key features include:
1. High Efficiency: Offers up to 90% efficiency, optimizing power usage.
2. Wide Input Voltage Range: Operates from 2.7V to 6V, suitable for single-cell lithium-ion or multi-cell alkaline/NiMH battery-powered devices.
3. Fixed Switching Frequency: Typically 1.3MHz, allowing for the use of smaller external components and resulting in a compact design.
4. Integrated Power MOSFET: Reduces the need for additional components and enhances efficiency.
5. Current Limiting: Built-in over-current protection safeguards against excessive current loads.
6. Soft Start: Minimizes inrush current and potential stress on components at startup.
7. Compact Package: Available in a small SOT23-6 package, which is space-efficient for portable applications.
8. Applications: Ideal for LED backlighting, portable devices, and other applications that require efficient voltage boosting.
These features make the MP3221GJ-Z a versatile choice for power management in compact electronic devices.

Pinout

The MP3221GJ-Z is a step-up converter integrated circuit designed by Monolithic Power Systems. It typically comes in a 6-pin TSOT23 package. Here’s a brief overview of its pin functions:
1. VIN: Power input pin. Connects to the input supply voltage.
2. SW: Switch pin. Connects to the inductor and handles the switching operation.
3. GND: Ground pin. Connects to the system ground.
4. FB: Feedback pin. Connects to the external voltage divider to set output voltage.
5. EN: Enable pin. Used to enable or disable the IC. A high signal enables the device.
6. COMP: Compensation pin. Used for external compensation network for loop stability.
These pins collectively facilitate the device’s main function, which is to boost lower input voltages to higher output voltages with high efficiency. The MP3221GJ-Z is often used in applications like battery-powered devices, where efficient voltage conversion is crucial.

Manufacturer

The MP3221GJ-Z is manufactured by Monolithic Power Systems (MPS). MPS is a semiconductor company that specializes in the design, development, and marketing of high-performance power solutions. The company focuses on providing innovative power management products for a variety of sectors, including consumer electronics, industrial applications, telecommunications, computing, and automotive markets. MPS is known for its expertise in analog technology, integrating advanced process design techniques, and delivering compact, efficient, and reliable power solutions.

Application

The MP3221GJ-Z is a step-up (boost) converter designed for portable electronics. Its main application areas include powering white LEDs in backlighting for LCD displays, portable media players, digital cameras, and mobile phones. It is also used in handheld devices requiring efficient power conversion from a single-cell Li-Ion or multiple alkaline/NiMH battery configurations. The device is valued for its high efficiency, low quiescent current, and ability to support a wide input voltage range, making it suitable for battery-powered applications.

Package

The MP3221GJ-Z is a DC-DC boost converter IC from Monolithic Power Systems. It is typically available in a TSOT-23-6 package, which is a compact, surface-mount package with six leads.

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