LM3525MX-H

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LM3525MX-H

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IC PWR SWITCH P-CHAN 1:1 8SOIC

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  • メーカー品番 #LM3525MX-H

  • データシート LM3525MX-H DataSheet

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仕様

属性 値
Part Status Obsolete
Switch Type USB Switch
Number of Outputs 1
Ratio - Input: Output 1:1
Output Configuration High Side
Output Type P-Channel
Interface On/Off
Voltage - Load 2.7V ~ 5.5V
Voltage - Supply (Vcc/Vdd) Not Required
Current - Output (Max) 500mA
Rds On (Typ) 80mOhm
Input Type Non-Inverting
Features Status Flag
Fault Protection Current Limiting (Fixed), Over Temperature, UVLO
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Supplier Device Package 8-SOIC
Package / Case 8-SOIC (0.154", 3.90mm Width)
Base Product Number LM3525

概要

Description

The LM3525MX-H is a versatile, high-performance PWM (Pulse Width Modulation) controller designed for switching power supply applications. It operates over a wide input voltage range, making it suitable for various designs, including DC-DC converters and power inverters.
Key features include an adjustable frequency range, enabling efficient energy conversion, and built-in overcurrent protection for enhanced reliability. The LM3525MX-H supports both voltage mode and current mode control, allowing designers to optimize for stability and transient response.
This integrated circuit is equipped with a comprehensive set of protection features, such as thermal shutdown and soft start, which help to mitigate potential damage during operation. Its compact package and low power consumption make it ideal for space-constrained applications.
Overall, the LM3525MX-H is an excellent choice for engineers looking to implement robust and efficient power supply solutions in consumer electronics, automotive systems, and industrial applications.

Equivalent

Equivalent products to the LM3525MX-H chip include the LM3526, LM3527, and the TL494. These devices serve similar functions in power management and control in switch-mode power supplies. Always check the specific electrical specifications and pin configurations to ensure compatibility with your application.

Features

The LM3525MX-H is a high-performance PWM (Pulse Width Modulation) controller designed for power supply applications. Key features include:
1. Wide Input Voltage Range: Operates from 10V to 55V, suitable for various applications.
2. High Efficiency: Enables efficient power conversion in switching power supplies.
3. Adjustable Duty Cycle: Offers a duty cycle range of 0% to 100% for flexible output voltage control.
4. Integrated Overcurrent Protection: Includes a current sense feature to protect against overloads.
5. Soft Start Capability: Reduces inrush current during startup, enhancing reliability.
6. Temperature Compensation: Ensures stable operation across temperature variations.
7. Multiple Output Configurations: Supports both buck and boost converter configurations.
8. Frequency Range: Operates at adjustable frequencies, typically from 100 kHz to 1 MHz.
9. Compact Package: Available in an 8-pin DIP package, facilitating easy integration into designs.
These features make the LM3525MX-H suitable for various applications, including automotive, telecommunications, and industrial power systems.

Pinout

The LM3525MX-H is a dual voltage mode controller designed for power management applications. It features a total of 28 pins.
Key functions of the LM3525MX-H include:
1. PWM Control: It provides Pulse Width Modulation control for efficient power conversion.
2. Voltage Regulation: It regulates output voltage to specified levels.
3. Oscillator: Integrated oscillator for timing control.
4. Error Amplifier: Includes error amplifiers for feedback and stability.
5. Switching Control: Manages on/off state of power switches.
6. Protection Features: Includes under-voltage lockout, over-voltage protection, and thermal shutdown.
These features make it suitable for applications such as DC-DC converters and power supplies.

Manufacturer

The LM3525MX-H is manufactured by Texas Instruments (TI), a prominent American technology company. Texas Instruments is known for designing and manufacturing semiconductors and various integrated circuits, which are widely used in electronics. Founded in 1930, the company has a strong focus on innovation in analog and digital signal processing, as well as microcontrollers and embedded processors. TI serves a diverse range of markets, including automotive, industrial, communications, and consumer electronics.
The LM3525MX-H specifically is a voltage regulator that is utilized in power management applications. Texas Instruments is recognized for its commitment to research and development, producing high-quality products that cater to the evolving needs of the electronics industry. The company's extensive portfolio and expertise make it a significant player in the semiconductor sector, providing solutions that enhance performance and efficiency across various applications.

Application

The LM3525MX-H is a versatile PWM (Pulse Width Modulation) controller primarily used in power supply applications. Key areas of application include:
1. DC-DC Converters: Used in buck, boost, and buck-boost converters for efficient voltage regulation.
2. Switching Power Supplies: Common in both isolated and non-isolated power supply designs.
3. Battery Chargers: Suitable for controlling charging circuits for various battery types.
4. Motor Drives: Used in DC motor control and driving applications.
5. LED Drivers: Can be applied in LED lighting systems for efficient power management.
Its features enable high efficiency, stability, and flexibility in various electronic designs.

Package

The LM3525MX-H is packaged in a 16-pin Dual In-Line Package (DIP). This type of package is designed for through-hole mounting on printed circuit boards, allowing for easy handling and installation.

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