LM3409QHVMY/NOPB

Product Overview

• Category: Integrated Circuit (IC)
• Use: LED Driver
• Characteristics: High Voltage, Constant Current
• Package: QFN (Quad Flat No-Lead)
• Essence: Efficient LED Lighting Control
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Input Voltage Range: 4.5V to 75V
• Output Voltage Range: Up to 60V
• Output Current Range: Up to 1.5A
• Switching Frequency: Adjustable up to 2MHz
• Efficiency: Up to 95%
• Dimming Control: Analog/PWM
• Protection Features: Over-Temperature, Over-Current, Short-Circuit

Pin Configuration

The LM3409QHVMY/NOPB IC has the following pin configuration:

1. VIN: Input voltage
2. GND: Ground
3. VCC: Power supply for internal circuitry
4. CS: Current sense input
5. DIM: Dimming control input
6. FB: Feedback voltage input
7. SW: Switch node connection
8. VOUT: Output voltage

Functional Features

• High efficiency LED driver with integrated power MOSFET
• Wide input voltage range suitable for various applications
• Adjustable switching frequency for flexibility
• Dimming control options for brightness adjustment
• Protection features ensure safe operation

Advantages and Disadvantages

Advantages: - High efficiency leads to energy savings - Wide input voltage range allows for versatile use - Compact package saves board space - Integrated power MOSFET simplifies design - Dimming control enables brightness adjustment

Disadvantages: - Limited output current compared to some other LED drivers - Requires external components for proper operation

Working Principles

The LM3409QHVMY/NOPB is a high voltage LED driver IC that utilizes a buck topology. It converts the input voltage to a regulated output current suitable for driving LEDs. The integrated power MOSFET switches the current on and off at a high frequency, allowing for efficient power conversion. The feedback loop ensures the output current remains constant, even with variations in input voltage or LED characteristics.

Detailed Application Field Plans

The LM3409QHVMY/NOPB LED driver IC finds applications in various fields, including:

1. General lighting: Suitable for indoor and outdoor lighting applications, such as residential, commercial, and street lighting.
2. Automotive lighting: Can be used for headlights, taillights, and interior lighting in vehicles.
3. Display backlighting: Provides efficient control of LED backlighting in LCD displays.
4. Signage and advertising: Enables bright and energy-efficient illumination of signs and billboards.
5. Industrial lighting: Ideal for high bay lighting, warehouse lighting, and other industrial applications.

Detailed and Complete Alternative Models

1. LM3409MY/NOPB: Similar to LM3409QHVMY/NOPB but without the high voltage capability.
2. LM3410XMY/NOPB: Buck-boost LED driver with adjustable output current.
3. LM3429MY/NOPB: Synchronous buck LED driver with higher output current capability.

These alternative models offer different features and specifications, providing options based on specific application requirements.

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