LM3526MX-L

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - High efficiency - Low dropout voltage - Adjustable output voltage - Overcurrent protection - Thermal shutdown protection

Package: SOIC-8

Essence: The LM3526MX-L is a voltage regulator IC designed to provide a stable and regulated output voltage for various electronic devices.

Packaging/Quantity: Available in reels of 2500 units.

Specifications

• Input Voltage Range: 2.5V to 7V
• Output Voltage Range: 1.25V to 5.5V
• Maximum Output Current: 500mA
• Dropout Voltage: 300mV at 100mA
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The LM3526MX-L 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 VOUT |-- Pin 4: Ground (GND) |___________| ```

Functional Features

1. High Efficiency: The LM3526MX-L offers high efficiency, minimizing power loss and maximizing battery life.
2. Low Dropout Voltage: With a low dropout voltage of only 300mV, the IC can regulate the output voltage even when the input voltage is close to the desired output voltage.
3. Adjustable Output Voltage: The output voltage can be adjusted within the range of 1.25V to 5.5V, providing flexibility for different applications.
4. Overcurrent Protection: The IC incorporates overcurrent protection, safeguarding the connected devices from excessive current flow.
5. Thermal Shutdown Protection: To prevent overheating, the LM3526MX-L includes thermal shutdown protection, ensuring safe operation even under high temperature conditions.

Advantages and Disadvantages

Advantages: - High efficiency design - Adjustable output voltage - Overcurrent and thermal protection - Compact SOIC-8 package

Disadvantages: - Limited maximum output current (500mA)

Working Principles

The LM3526MX-L operates as a linear voltage regulator. It regulates the output voltage by comparing the feedback voltage (FB) with an internal reference voltage. By adjusting the resistance connected to the FB pin, the desired output voltage can be set. The enable pin (EN) controls the on/off state of the regulator.

Detailed Application Field Plans

The LM3526MX-L is suitable for various applications that require a stable and regulated output voltage. Some potential application fields include:

1. Mobile Devices: Powering smartphones, tablets, and portable media players.
2. IoT Devices: Providing regulated power to sensors, microcontrollers, and wireless modules.
3. Automotive Electronics: Regulating voltage for infotainment systems, navigation devices, and lighting controls.
4. Industrial Equipment: Powering control systems, motor drivers, and instrumentation devices.
5. Consumer Electronics: Supplying regulated power to audio/video equipment, gaming consoles, and home appliances.

Detailed and Complete Alternative Models

1. LM317: A popular adjustable linear voltage regulator with a wide input voltage range and adjustable output voltage.
2. LM1117: Fixed output voltage linear regulator available in various voltage options.
3. LT1083: High current linear voltage regulator with low dropout voltage and adjustable output voltage.
4. LM7805: Fixed 5V linear voltage regulator commonly used in electronic circuits.
5. LM2940: Low dropout voltage regulator with adjustable output voltage and high current capability.

These alternative models offer similar functionality to the LM3526MX-L and can be considered based on specific application requirements.

Word count: 518 words