LM3409HVMY/NOPB

Product Overview

• Category: Integrated Circuit (IC)
• Use: LED Driver
• Characteristics: High Voltage, Constant Current
• Package: 16-Pin TSSOP
• Essence: Power Management IC
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Input Voltage Range: 4.5V to 75V
• Output Voltage Range: Up to 60V
• Maximum Output Current: 1.5A
• Switching Frequency: Adjustable up to 1MHz
• Dimming Control: Analog/PWM
• Efficiency: Up to 95%
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The LM3409HVMY/NOPB has a 16-pin TSSOP package with the following pin configuration:

1. VCC
2. GND
3. FB
4. EN
5. DIM
6. RT
7. CT
8. SW
9. SW
10. SW
11. SW
12. SW
13. SW
14. SW
15. SW
16. SW

Functional Features

• High voltage capability allows for driving multiple LEDs in series
• Constant current regulation ensures consistent brightness
• Wide input voltage range enables versatile applications
• Adjustable switching frequency provides flexibility in design
• Dimming control options allow for brightness adjustment
• Over-temperature and over-voltage protection for enhanced reliability

Advantages and Disadvantages

Advantages: - High efficiency operation saves energy - Compact package size for space-constrained designs - Robust protection features enhance system reliability - Wide input voltage range accommodates various power sources

Disadvantages: - Limited maximum output current may not be suitable for high-power applications - Analog dimming control may require additional external components

Working Principles

The LM3409HVMY/NOPB is a high voltage LED driver IC that utilizes a buck topology to regulate the current flowing through the connected LEDs. It operates by converting the input voltage to a lower, regulated voltage using a switching regulator. The output current is then controlled by adjusting the duty cycle of the switching regulator.

The IC incorporates various protection features such as over-temperature and over-voltage protection to ensure safe operation. It also offers dimming control options, allowing for brightness adjustment based on the application requirements.

Detailed Application Field Plans

The LM3409HVMY/NOPB is commonly used in various lighting applications, including:

1. Street lighting
2. Automotive lighting
3. Industrial lighting
4. Architectural lighting
5. Signage lighting

Its high voltage capability and constant current regulation make it suitable for driving multiple LEDs in series, enabling efficient and reliable illumination in these applications.

Detailed and Complete Alternative Models

1. LM3409MY/NOPB: Similar to LM3409HVMY/NOPB but with a lower maximum input voltage range (up to 60V).
2. LM3410HVMY/NOPB: Higher maximum output current (up to 2A) compared to LM3409HVMY/NOPB.
3. LM3429HVMY/NOPB: Dual-channel LED driver IC with similar characteristics to LM3409HVMY/NOPB.

These alternative models offer similar functionality and can be considered as alternatives depending on specific design requirements.

Word count: 443 words