LM3445MM/NOPB

Product Overview

• Category: Integrated Circuit (IC)
• Use: LED driver for lighting applications
• Characteristics: High efficiency, dimmable, compact size
• Package: 8-VSSOP
• Essence: Efficiently drives LEDs in lighting systems
• Packaging/Quantity: Tape & Reel (2500 units)

Specifications

• Input Voltage Range: 4.5V to 75V
• Output Current: Up to 1A
• Dimming Control: Analog/PWM
• Operating Temperature Range: -40°C to 125°C
• Efficiency: Up to 95%

Detailed Pin Configuration

1. VIN (Input Voltage)
2. GND (Ground)
3. DIM (Dimming Control)
4. VCC (Power Supply)
5. FB (Feedback)
6. RT (Timing Resistor)
7. COMP (Compensation)
8. SW (Switch Node)

Functional Features

• Wide input voltage range for versatile applications
• Dimming control for adjustable brightness
• High efficiency for energy savings
• Compact package for space-constrained designs

Advantages and Disadvantages

Advantages

• High efficiency
• Dimmable
• Compact size
• Wide input voltage range

Disadvantages

• Sensitive to external noise
• Requires careful PCB layout for optimal performance

Working Principles

The LM3445MM/NOPB is a buck LED driver that efficiently regulates the current flowing through the LEDs. It utilizes a feedback loop to maintain a constant output current, while the dimming control allows for adjustable brightness levels.

Detailed Application Field Plans

The LM3445MM/NOPB is suitable for various lighting applications, including: - Residential LED lighting - Commercial LED fixtures - Industrial LED lighting - Automotive LED lighting

Detailed and Complete Alternative Models

1. LT3479EDD#PBF
2. MAX16834EVKIT+
3. TPS92511EVM-748

In conclusion, the LM3445MM/NOPB is a versatile LED driver with a wide input voltage range, dimming capabilities, and high efficiency, making it suitable for a wide range of lighting applications.

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