LM27964SQ-A/NOPB

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High Efficiency, Low Quiescent Current, Small Package Size
• Package: 16-WSON (3x3 mm)
• Essence: Voltage Regulator
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.6V to VIN
• Output Current: Up to 1A
• Quiescent Current: 17µA (typical)
• Switching Frequency: 2.25MHz (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The LM27964SQ-A/NOPB has the following pin configuration:

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| | | EN | |_______________| | | | FB | |_______________| | | | SW | |_______________| | | | GND | |_______________| | | | VIN | |_______________| | | | PG | |_______________| ```

Functional Features

• High efficiency voltage regulation for portable devices
• Low quiescent current for extended battery life
• Wide input voltage range for compatibility with various power sources
• Adjustable output voltage for flexibility in different applications
• Overcurrent and thermal protection for enhanced safety

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption - Small package size allows for space-saving designs - Wide input voltage range enables versatile usage - Adjustable output voltage accommodates different requirements

Disadvantages: - Limited output current may not be suitable for high-power applications - Higher cost compared to some alternative models

Working Principles

The LM27964SQ-A/NOPB is a voltage regulator IC that converts an input voltage within the specified range into a regulated output voltage. It utilizes a switching regulator architecture to achieve high efficiency and low quiescent current. The device incorporates various protection features to ensure safe operation, such as overcurrent and thermal protection.

Application Field Plans

The LM27964SQ-A/NOPB is commonly used in portable electronic devices, including smartphones, tablets, and wearable devices. Its small package size and high efficiency make it ideal for power management in battery-powered applications. The adjustable output voltage allows for compatibility with different components within these devices.

Alternative Models

• LM2576-ADJ: Adjustable Output Voltage, Higher Output Current (3A)
• LM317: Adjustable Output Voltage, Lower Quiescent Current (5mA)
• TPS54331: Fixed Output Voltage (3.3V), Higher Efficiency

These alternative models offer different features and specifications, providing options based on specific application requirements.

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