LM3525M-L/NOPB

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, Adjustable Output, Current Limiting
• Package: SOT-23-5
• Essence: Linear Voltage Regulator
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage Range: 1.25V to 5.5V
• Dropout Voltage: 200mV at 150mA
• Quiescent Current: 75µA
• Output Current: Up to 150mA
• Line Regulation: ±0.3%
• Load Regulation: ±0.4%
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The LM3525M-L/NOPB has a SOT-23-5 package with the following pin configuration:

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• Pin 1: Enable (EN)
• Pin 2: Feedback (FB)
• Pin 3: Ground (GND)
• Pin 4: Output (OUT)
• Pin 5: Input (IN)

Functional Features

• Low dropout voltage for efficient power conversion.
• Adjustable output voltage allows flexibility in design.
• Current limiting feature protects the circuit from excessive current.
• Low quiescent current ensures minimal power consumption.

Advantages and Disadvantages

Advantages: - Wide input voltage range enables compatibility with various power sources. - Small package size makes it suitable for space-constrained applications. - Adjustable output voltage provides versatility in different circuit designs.

Disadvantages: - Limited output current may not be suitable for high-power applications. - Dropout voltage of 200mV may cause a slight voltage drop across the regulator.

Working Principles

The LM3525M-L/NOPB is a linear voltage regulator that regulates the output voltage based on the feedback received from the FB pin. It operates by comparing the output voltage with a reference voltage and adjusting the pass transistor to maintain a stable output voltage. The enable pin (EN) controls the regulator's operation, allowing it to be turned on or off as needed.

Detailed Application Field Plans

The LM3525M-L/NOPB can be used in various applications, including but not limited to:

1. Battery-powered devices: Provides a stable voltage supply for portable electronics such as smartphones, tablets, and wearable devices.
2. Embedded systems: Ensures reliable power delivery for microcontrollers, sensors, and other components in embedded systems.
3. Automotive electronics: Regulates voltage for automotive applications like infotainment systems, lighting, and control modules.
4. Industrial equipment: Offers voltage regulation for industrial automation, control systems, and instrumentation.

Detailed and Complete Alternative Models

1. LM1117-ADJ: Adjustable voltage regulator with higher output current capability.
2. LM317T: Adjustable voltage regulator with a wider input voltage range.
3. LT1763-3.3: Low dropout voltage regulator with fixed output voltage of 3.3V.
4. LP2950-N: Low quiescent current voltage regulator with fixed output voltage options.

These alternative models provide similar functionality and can be considered based on specific requirements and design constraints.

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