LM3414HVMRX/NOPB

Product Overview

• Category: Integrated Circuit (IC)
• Use: LED Driver
• Characteristics: High Voltage, Step-Up Current Mode Controller
• Package: 16-Pin WQFN (3mm x 3mm)
• Essence: Efficiently drives high-power LEDs in various applications
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 4.5V to 75V
• Output Voltage Range: Up to 60V
• Switching Frequency: Adjustable up to 1MHz
• Maximum Duty Cycle: 90%
• Operating Temperature Range: -40°C to +125°C
• Protection Features: Overvoltage, Overcurrent, and Thermal Shutdown

Pin Configuration

The LM3414HVMRX/NOPB IC has the following pin configuration:

1. VIN: Input voltage
2. GND: Ground reference
3. FB: Feedback pin for regulating output voltage
4. EN: Enable pin to turn on/off the device
5. CS: Current sense input for current regulation
6. VCC: Supply voltage for internal circuitry
7. AGND: Analog ground reference
8. COMP: Compensation pin for loop stability
9. SS/TR: Soft-start/Tracking pin
10. RT: External resistor for setting switching frequency
11. SW: Switch node for connecting the inductor
12. BST: Boost node for connecting the boost capacitor
13. PGND: Power ground reference
14. ADJ: Adjust pin for dimming control
15. DIM: Dimming input for controlling brightness
16. VREF: Reference voltage output

Functional Features

• High efficiency step-up current mode controller
• Wide input voltage range suitable for various applications
• Adjustable switching frequency for flexibility
• Integrated protection features for reliable operation
• Dimming control capability for brightness adjustment

Advantages and Disadvantages

Advantages: - Efficiently drives high-power LEDs - Wide input voltage range allows for versatile use - Adjustable switching frequency provides flexibility - Integrated protection features ensure safe operation - Dimming control enables brightness adjustment

Disadvantages: - Limited to step-up LED driving applications - Requires external components for complete functionality

Working Principles

The LM3414HVMRX/NOPB is a high voltage, step-up current mode controller designed specifically for driving high-power LEDs. It operates by regulating the output current through a feedback mechanism. The input voltage is boosted to a higher level using an inductor and a boost capacitor. The switching frequency can be adjusted to optimize efficiency and performance.

The IC incorporates various protection features such as overvoltage, overcurrent, and thermal shutdown to safeguard the LEDs and the driver circuitry. Additionally, it offers dimming control capability, allowing the brightness of the LEDs to be adjusted according to the application requirements.

Detailed Application Field Plans

The LM3414HVMRX/NOPB is widely used in various applications that require efficient driving of high-power LEDs. Some of the common application fields include:

1. General lighting: Provides high-efficiency LED driving for residential and commercial lighting applications.
2. Automotive lighting: Enables efficient illumination in automotive headlights, taillights, and interior lighting.
3. Display backlighting: Drives LEDs in LCD displays for enhanced brightness and energy efficiency.
4. Signage and advertising: Powers LEDs in outdoor signs and billboards for vibrant and eye-catching displays.
5. Industrial lighting: Offers reliable LED driving solutions for industrial environments, including warehouses and factories.

Detailed and Complete Alternative Models

1. LM3409HV: High voltage, step-up current mode controller with similar features and specifications.
2. LT3799: High voltage, synchronous step-up LED driver with advanced dimming capabilities.
3. MAX16834: High voltage, boost LED driver with integrated fault protection and dimming control.
4. TPS92515: High voltage, buck-boost LED driver with adjustable switching frequency and thermal shutdown.

These alternative models provide similar functionality and can be considered as alternatives to the LM3414HVMRX/NOPB based on specific application requirements.

Word count: 529 words