LM3463SQX/NOPB

Product Overview

• Category: Integrated Circuit (IC)
• Use: LED Driver
• Characteristics: High Efficiency, Dimmable, Constant Current
• Package: 16-Pin LLP
• Essence: Power Management IC for LED Lighting Applications
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 8V to 60V
• Output Voltage Range: 1.2V to 55V
• Maximum Output Current: 3A
• Switching Frequency: 200kHz to 1MHz
• Dimming Control: Analog/PWM
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The LM3463SQX/NOPB has a 16-pin LLP package with the following pin configuration:

1. VIN: Input Voltage
2. VCC: Supply Voltage
3. GND: Ground
4. DIM: Dimming Control Input
5. FB: Feedback Pin
6. CS: Current Sense
7. EN: Enable Pin
8. PGND: Power Ground
9. SW: Switch Node
10. LX: Inductor Connection
11. AGND: Analog Ground
12. VREF: Reference Voltage
13. ISET: Current Set Pin
14. VOUT: Output Voltage
15. NC: No Connection
16. NC: No Connection

Functional Features

• High efficiency power conversion
• Wide input voltage range
• Adjustable output voltage and current
• Dimming control for brightness adjustment
• Over-temperature protection
• Short-circuit protection
• Under-voltage lockout

Advantages and Disadvantages

Advantages

• High efficiency results in energy savings
• Dimming control allows for flexible lighting options
• Wide input voltage range enables compatibility with various power sources
• Compact package size saves board space
• Over-temperature and short-circuit protection enhance reliability

Disadvantages

• Limited maximum output current of 3A
• Requires external components for operation

Working Principles

The LM3463SQX/NOPB is a power management IC specifically designed for LED lighting applications. It operates as a constant current driver, providing efficient power conversion for driving LEDs. The IC accepts an input voltage ranging from 8V to 60V and converts it to a regulated output voltage suitable for driving LEDs.

The dimming control feature allows the user to adjust the brightness of the LEDs using either analog or PWM signals. This flexibility enables customization of the lighting experience.

The IC incorporates various protection mechanisms such as over-temperature and short-circuit protection, ensuring safe and reliable operation. Additionally, the under-voltage lockout feature prevents the IC from operating when the input voltage falls below a certain threshold, further enhancing system safety.

Detailed Application Field Plans

The LM3463SQX/NOPB is widely used in various LED lighting applications, including:

1. Residential lighting
2. Commercial lighting
3. Industrial lighting
4. Automotive lighting
5. Outdoor lighting

Its high efficiency, dimming control, and compact package make it suitable for a wide range of lighting scenarios. The IC can be integrated into LED bulbs, downlights, strip lights, and other lighting fixtures.

Detailed and Complete Alternative Models

1. LM3409: High Voltage LED Driver IC
2. LM3410: Synchronous Buck LED Driver IC
3. LM3429: Dual Channel LED Driver IC
4. LM3445: AC/DC LED Driver IC
5. LM34927: Offline LED Driver IC

These alternative models offer similar functionality and can be considered as alternatives to the LM3463SQX/NOPB based on specific application requirements.

In conclusion, the LM3463SQX/NOPB is a versatile LED driver IC with high efficiency, dimming control, and various protection features. Its compact package and wide input voltage range make it suitable for a wide range of LED lighting applications.