LM2663MX/NOPB

Product Overview

• Category: Voltage Converter
• Use: Step-Up (Boost) Voltage Converter
• Characteristics: High Efficiency, Low Quiescent Current, Adjustable Output Voltage
• Package: 8-Pin SOIC (Small Outline Integrated Circuit)
• Essence: Integrated Switching Regulator
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 1.5V to 10V
• Output Voltage Range: Up to 18V
• Switching Frequency: 100kHz
• Quiescent Current: 120µA
• Efficiency: Up to 90%
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LM2663MX/NOPB has the following pin configuration:

1. SW: Switch Node
2. GND: Ground
3. FB: Feedback Voltage Input
4. EN: Enable Pin
5. VOUT: Output Voltage
6. VIN: Input Voltage
7. NC: No Connection
8. VCC: Supply Voltage

Functional Features

• Step-up voltage conversion from a low input voltage to a higher output voltage.
• Adjustable output voltage through external resistors connected to the feedback pin.
• Low quiescent current ensures minimal power consumption during standby or light load conditions.
• Integrated switch and diode for simplified circuit design.
• Overcurrent protection and thermal shutdown features for enhanced reliability.

Advantages

• High efficiency results in reduced power dissipation and longer battery life.
• Wide input voltage range allows for versatile applications.
• Adjustable output voltage provides flexibility for different system requirements.
• Small package size enables space-saving designs.
• Integrated protection features enhance system reliability.

Disadvantages

• Limited maximum output current may restrict usage in high-power applications.
• Requires external components for proper operation, increasing overall system complexity.
• Non-isolated design may not be suitable for applications requiring galvanic isolation.

Working Principles

The LM2663MX/NOPB is a step-up voltage converter that utilizes a switching regulator to efficiently boost the input voltage to a higher output voltage. The integrated switch and diode allow for a compact circuit design. By adjusting the feedback voltage through external resistors, the output voltage can be set to the desired level. The converter operates at a fixed switching frequency of 100kHz, ensuring stable and reliable performance.

Detailed Application Field Plans

The LM2663MX/NOPB is commonly used in various applications, including:

1. Battery-powered devices: Portable electronics, such as smartphones, tablets, and wearable devices, benefit from the LM2663MX/NOPB's high efficiency and low quiescent current, extending battery life.
2. Industrial automation: The voltage converter is suitable for powering sensors, actuators, and control circuits in industrial automation systems, where space-saving and reliable power conversion is essential.
3. Automotive electronics: The LM2663MX/NOPB finds application in automotive systems, providing efficient voltage conversion for sensors, displays, and other electronic components.
4. LED lighting: The converter can be used to drive LEDs, enabling efficient power conversion and adjustable brightness control.

Detailed and Complete Alternative Models

1. LM2623: Step-Up Voltage Converter with Adjustable Output Voltage and Higher Maximum Output Current.
2. LM2776: Step-Up/Step-Down Voltage Converter with Wide Input Voltage Range and Isolated Design.
3. LM2596: Buck (Step-Down) Voltage Converter with Adjustable Output Voltage and Higher Maximum Output Current.

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

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