LM26484SQE/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High efficiency voltage regulator - Low dropout voltage - Wide input voltage range - Adjustable output voltage - Overcurrent and thermal protection

Package: 20-WSON (5x4 mm)

Essence: The LM26484SQE/NOPB is a power management IC designed to regulate voltage efficiently with low dropout. It is commonly used in various electronic devices to provide stable power supply.

Packaging/Quantity: The LM26484SQE/NOPB is typically sold in reels containing 2500 units per reel.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.8V to VIN
• Maximum Output Current: 1A
• Dropout Voltage: 200mV at 1A
• Quiescent Current: 45µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LM26484SQE/NOPB has the following pin configuration:

1. EN (Enable)
2. FB (Feedback)
3. GND (Ground)
4. SW (Switch)
5. VIN (Input Voltage)
6. VOUT (Output Voltage)

Functional Features

• High Efficiency: The LM26484SQE/NOPB utilizes advanced circuitry to achieve high efficiency, minimizing power loss during voltage regulation.
• Low Dropout Voltage: With a dropout voltage as low as 200mV at 1A, the IC can maintain a stable output voltage even when the input voltage is close to the desired output voltage.
• Wide Input Voltage Range: The IC can accept input voltages ranging from 2.7V to 5.5V, making it suitable for a wide range of applications.
• Adjustable Output Voltage: The output voltage can be adjusted within the specified range to meet the requirements of different devices.
• Overcurrent and Thermal Protection: The LM26484SQE/NOPB incorporates protection mechanisms to prevent damage from overcurrent conditions and excessive heat.

Advantages and Disadvantages

Advantages: - High efficiency operation - Low dropout voltage - Wide input voltage range - Adjustable output voltage - Built-in protection features

Disadvantages: - Limited maximum output current (1A)

Working Principles

The LM26484SQE/NOPB operates as a voltage regulator by maintaining a constant output voltage regardless of variations in the input voltage. It achieves this through a combination of feedback control and power switching techniques. The IC continuously monitors the output voltage and adjusts the internal circuitry to maintain the desired voltage level.

Detailed Application Field Plans

The LM26484SQE/NOPB is commonly used in various electronic devices that require stable power supply, such as: - Mobile phones - Tablets - Portable media players - Digital cameras - Wireless communication devices

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the LM26484SQE/NOPB include: - LM1117-3.3 - LT1763-3.3 - TPS79633

These models are widely available and can be considered as alternatives depending on specific application requirements.

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