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LM3525MX-L/NOPB

LM3525MX-L/NOPB

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Regulator
  • Characteristics: Low Dropout, Adjustable Output, Current Limiting
  • Package: 8-Pin SOIC (Small Outline Integrated Circuit)
  • Essence: LM3525MX-L/NOPB is a voltage regulator IC designed to provide a stable output voltage with low dropout voltage. It is commonly used in various electronic devices to regulate and control the voltage supplied to different components.
  • Packaging/Quantity: The LM3525MX-L/NOPB is available in a standard 8-pin SOIC package. It is typically sold in reels or tubes containing multiple units.

Specifications

  • Input Voltage Range: 2.5V to 6V
  • Output Voltage Range: 1.25V to 5.5V
  • Dropout Voltage: 200mV at 100mA load current
  • Output Current: Up to 500mA
  • Quiescent Current: 75µA (typical)
  • Operating Temperature Range: -40°C to +125°C
  • Shutdown Current: 0.1µA (typical)

Pin Configuration

The LM3525MX-L/NOPB has the following pin configuration:

```


| | --| EN GND |-- Pin 1: Enable (EN) --| VIN VOUT |-- Pin 2: Input Voltage (VIN) --| FB NC |-- Pin 3: Feedback (FB) --| GND NC |-- Pin 4: Ground (GND) --| NC NC |-- Pin 5: Not Connected (NC) --| NC VOUT |-- Pin 6: Output Voltage (VOUT) --| NC NC |-- Pin 7: Not Connected (NC) --| VIN GND |-- Pin 8: Input Voltage (VIN) |___________| ```

Functional Features

  • Low Dropout: The LM3525MX-L/NOPB has a low dropout voltage, allowing it to regulate the output voltage even when the input voltage is close to the desired output voltage.
  • Adjustable Output: The output voltage can be adjusted within a specified range using external resistors.
  • Current Limiting: The IC incorporates current limiting circuitry to protect the device and the load from excessive current.
  • Enable Pin: The enable pin (EN) allows the user to control the operation of the regulator by enabling or disabling it.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient regulation even with low input voltages. - Adjustable output voltage provides flexibility in various applications. - Current limiting protects the device and load from damage. - Enable pin allows for easy control of the regulator's operation.

Disadvantages: - Limited output current compared to some other voltage regulators. - Requires external components (resistors) for adjusting the output voltage.

Working Principles

The LM3525MX-L/NOPB is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the feedback voltage (FB) with a reference voltage to adjust the pass transistor's resistance and maintain a stable output voltage. The enable pin (EN) controls the operation of the regulator, allowing the user to turn it on or off as needed.

Detailed Application Field Plans

The LM3525MX-L/NOPB can be used in various applications where a stable and regulated voltage supply is required. Some potential application fields include:

  1. Battery-Powered Devices: The LM3525MX-L/NOPB can be used in portable electronic devices, such as smartphones, tablets, and portable media players, to regulate the voltage supplied to different components.

  2. Automotive Electronics: It can be employed in automotive applications, such as infotainment systems, dashboard displays, and lighting control modules, to ensure a stable voltage supply.

  3. Industrial Control Systems: The LM3525MX-L/NOPB can be utilized in industrial control systems, including motor control units, sensors, and actuators, to provide a regulated voltage for reliable operation.

  4. Communication Equipment: It can be integrated into communication equipment, such as routers, switches, and modems, to maintain a stable voltage supply for optimal performance.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the LM3525MX-L/NOPB include:

  1. LM1117-ADJ: A low dropout voltage regulator with adjustable output voltage.
  2. LT1763-3.3: A high-performance LDO regulator with a fixed 3.3V output voltage.
  3. TPS79633: An ultra-low noise, high PSRR (Power Supply Rejection Ratio

Luettele 10 yleistä kysymystä ja vastausta, jotka liittyvät LM3525MX-L/NOPB :n soveltamiseen teknisissä ratkaisuissa

  1. Question: What is the maximum input voltage for LM3525MX-L/NOPB?
    Answer: The maximum input voltage for LM3525MX-L/NOPB is 6.5V.

  2. Question: What is the typical output current capability of LM3525MX-L/NOPB?
    Answer: The typical output current capability of LM3525MX-L/NOPB is 500mA.

  3. Question: Can LM3525MX-L/NOPB be used in battery charging applications?
    Answer: Yes, LM3525MX-L/NOPB can be used in battery charging applications.

  4. Question: What is the operating temperature range of LM3525MX-L/NOPB?
    Answer: The operating temperature range of LM3525MX-L/NOPB is -40°C to 85°C.

  5. Question: Does LM3525MX-L/NOPB have built-in overcurrent protection?
    Answer: Yes, LM3525MX-L/NOPB has built-in overcurrent protection.

  6. Question: Can LM3525MX-L/NOPB be used in automotive applications?
    Answer: Yes, LM3525MX-L/NOPB can be used in automotive applications.

  7. Question: What is the typical dropout voltage of LM3525MX-L/NOPB?
    Answer: The typical dropout voltage of LM3525MX-L/NOPB is 300mV at 100mA load.

  8. Question: Is LM3525MX-L/NOPB suitable for portable electronic devices?
    Answer: Yes, LM3525MX-L/NOPB is suitable for portable electronic devices.

  9. Question: Can LM3525MX-L/NOPB be used in LED driver applications?
    Answer: Yes, LM3525MX-L/NOPB can be used in LED driver applications.

  10. Question: What is the package type of LM3525MX-L/NOPB?
    Answer: LM3525MX-L/NOPB is available in a 10-pin MSOP package.