LM2722M/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low dropout voltage - High output current capability - Adjustable output voltage - Thermal shutdown protection - Short-circuit current limiting

Package: SOP-8

Essence: The LM2722M/NOPB is a voltage regulator IC that provides a regulated output voltage from an unregulated input voltage. It is designed to deliver high output current with low dropout voltage, making it suitable for various applications.

Packaging/Quantity: The LM2722M/NOPB is available in a SOP-8 package and is typically sold in reels of 2500 units.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 1.2V to 5.5V
• Dropout Voltage: 200mV at 500mA
• Output Current: Up to 1A
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LM2722M/NOPB has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. FB: Feedback pin
5. VOUT: Output voltage pin
6. NC: No connection
7. NC: No connection
8. VOUT: Output voltage pin

Functional Features

• Low Dropout Voltage: The LM2722M/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.
• High Output Current Capability: With a maximum output current of 1A, the LM2722M/NOPB can power a wide range of devices.
• Adjustable Output Voltage: The output voltage can be adjusted within the specified range using an external resistor divider network.
• Thermal Shutdown Protection: The IC incorporates thermal shutdown protection, which prevents damage due to excessive temperature.
• Short-Circuit Current Limiting: The LM2722M/NOPB has built-in short-circuit current limiting to protect the device and the load in case of a short circuit.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient regulation - High output current capability for powering various devices - Adjustable output voltage provides flexibility - Thermal shutdown protection prevents overheating - Short-circuit current limiting protects the device and load

Disadvantages: - Limited input voltage range (2.7V to 5.5V) - Quiescent current may affect battery life in low-power applications

Working Principles

The LM2722M/NOPB is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It compares the feedback voltage with a reference voltage and adjusts the pass transistor's resistance to maintain a stable output voltage. The dropout voltage is minimized by utilizing a PNP pass transistor.

Detailed Application Field Plans

The LM2722M/NOPB can be used in various applications, including but not limited to: 1. Battery-powered devices 2. Portable electronic devices 3. Automotive electronics 4. Industrial control systems 5. Communication equipment

Detailed and Complete Alternative Models

Some alternative models to the LM2722M/NOPB include: 1. LM1117-ADJ: Adjustable voltage regulator with higher output current capability 2. LM317T: Adjustable voltage regulator with wider input voltage range 3. LP2950-N: Fixed voltage regulator with lower quiescent current 4. TPS7A47: High-performance voltage regulator with ultra-low dropout voltage

These alternative models offer different features and specifications, allowing users to choose the most suitable option for their specific requirements.

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