LM2639M/NOPB

Product Overview

Category: Voltage Regulator
Use: Step-Up (Boost) DC-DC Converter
Characteristics: High efficiency, wide input voltage range
Package: 8-Pin SOIC
Essence: Integrated Switching Regulator
Packaging/Quantity: Tube/50 units

Specifications

• Input Voltage Range: 2.7V to 14V
• Output Voltage Range: Up to 34V
• Switching Frequency: 1.6MHz
• Efficiency: Up to 95%
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

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

Functional Features

• Internal 0.15Ω N-Channel MOSFET
• Soft-Start Function
• Overcurrent Protection
• Thermal Shutdown
• Under-Voltage Lockout

Advantages and Disadvantages

Advantages: - High efficiency - Wide input voltage range - Integrated switching regulator

Disadvantages: - Limited output current capability - Requires external compensation components

Working Principles

The LM2639M/NOPB is a step-up DC-DC converter that uses a switching regulator to efficiently boost the input voltage to a higher output voltage. The internal MOSFET switches at a high frequency, allowing for smaller external components and high efficiency.

Detailed Application Field Plans

The LM2639M/NOPB is suitable for various applications requiring a higher output voltage from a lower input voltage source. It can be used in battery-powered devices, LED drivers, portable instruments, and other systems where space and efficiency are critical.

Detailed and Complete Alternative Models

• LM2739Y/NOPB
• LM2623MM/NOPB
• LM2621MM/NOPB
• LM2624MM/NOPB

This information provides a comprehensive overview of the LM2639M/NOPB, covering its category, use, characteristics, package, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.