LM3466TA/NOPB

Product Overview

• Category: Integrated Circuit (IC)
• Use: LED Driver
• Characteristics: High efficiency, dimmable, constant current output
• Package: TO-220
• Essence: Monolithic high-voltage LED driver IC
• Packaging/Quantity: Tube/50 pieces

Specifications

• Input Voltage Range: 8V to 450V
• Output Current Range: Up to 1.5A
• Switching Frequency: 200kHz to 2MHz
• Dimming Control: Analog/PWM
• Protection Features: Over-temperature, over-voltage, and short-circuit protection

Pin Configuration

The LM3466TA/NOPB has the following pin configuration:

1. VCC: Power supply input
2. GND: Ground reference
3. DIM: Dimming control input
4. FB: Feedback pin for regulating output current
5. OUT: Output pin for connecting LEDs
6. VIN: Input voltage pin

Functional Features

• High efficiency conversion of input voltage to constant current output for driving LEDs
• Wide input voltage range allows for versatile applications
• Dimming control capability enables adjustable brightness levels
• Built-in protection features ensure safe operation and longevity of the device

Advantages and Disadvantages

Advantages: - High efficiency results in energy savings - Dimming control allows for customization of lighting levels - Compact TO-220 package facilitates easy integration into various systems

Disadvantages: - Limited output current range may not be suitable for high-power LED applications - Requires external components for certain functionalities, increasing complexity

Working Principles

The LM3466TA/NOPB is a monolithic high-voltage LED driver IC that converts the input voltage to a constant current output for driving LEDs. It utilizes a switching regulator topology to efficiently regulate the LED current. The dimming control input allows for adjusting the brightness levels by varying the duty cycle of the PWM signal or the analog voltage applied to the DIM pin.

Detailed Application Field Plans

The LM3466TA/NOPB is commonly used in various lighting applications, including:

1. Residential lighting: Provides efficient and dimmable LED driver solutions for home lighting systems.
2. Commercial lighting: Enables energy-efficient and adjustable brightness lighting in offices, retail stores, and other commercial spaces.
3. Automotive lighting: Suitable for driving LEDs in automotive headlights, taillights, and interior lighting.
4. Outdoor lighting: Offers reliable LED driver solutions for streetlights, landscape lighting, and other outdoor applications.

Detailed and Complete Alternative Models

• LM3409: High-voltage LED driver with similar specifications and features
• LT3799: Monolithic flyback LED driver IC with integrated power switch
• TPS92550: Constant current buck LED driver with wide input voltage range

(Note: This list is not exhaustive and there are several alternative models available in the market.)

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