LM3405AXMK/NOPB

Product Overview

Category: Integrated Circuit
Use: LED Driver
Characteristics: High efficiency, adjustable output current, wide input voltage range
Package: SOT-23-6
Essence: Step-down constant current driver for LED lighting applications
Packaging/Quantity: Tape & Reel / 2500 units

Specifications

• Input Voltage Range: 4.5V to 42V
• Output Voltage Range: 0.2V to 40V
• Maximum Output Current: 1.5A
• Switching Frequency: 1.6MHz
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

1. VIN (Input Voltage)
2. GND (Ground)
3. FB (Feedback)
4. EN (Enable)
5. SW (Switch)
6. VOUT (Output Voltage)

Functional Features

• Adjustable output current
• Internal soft-start
• Over-temperature protection
• Short-circuit protection
• Under-voltage lockout

Advantages and Disadvantages

Advantages: - High efficiency - Wide input voltage range - Compact package size

Disadvantages: - Limited maximum output current

Working Principles

The LM3405AXMK/NOPB is a step-down constant current driver designed for driving LEDs. It utilizes a high-efficiency monolithic switching regulator with an integrated N-channel power MOSFET. The device operates in constant frequency PWM mode and can be adjusted to regulate the LED current.

Detailed Application Field Plans

The LM3405AXMK/NOPB is suitable for various LED lighting applications, including: - Automotive lighting - Industrial lighting - Architectural lighting - Signage and display lighting - General illumination

Detailed and Complete Alternative Models

1. LT3479
2. MAX16834
3. TPS92550

In conclusion, the LM3405AXMK/NOPB is a versatile LED driver offering high efficiency and a wide input voltage range, making it suitable for a variety of lighting applications. Its compact package and functional features make it a popular choice among designers looking for efficient LED driving solutions.

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