LM3464MHX/NOPB

Product Overview

• Category: Integrated Circuit (IC)
• Use: LED Driver
• Characteristics: High Efficiency, Dimmable, Constant Current
• Package: PowerPAD HTSSOP-38
• Essence: This IC is designed to drive high-power LEDs efficiently and reliably.
• Packaging/Quantity: Available in tape and reel packaging with 250 units per reel.

Specifications

• Input Voltage Range: 8V to 60V
• Output Voltage Range: Up to 60V
• Output Current Range: Up to 3A
• Dimming Control: Analog/PWM
• Operating Temperature Range: -40°C to +125°C
• Protection Features: Overvoltage, Overcurrent, Overtemperature

Pin Configuration

The LM3464MHX/NOPB IC has a total of 38 pins. The pin configuration is as follows:

1. VCC
2. GND
3. EN
4. DIM
5. FB
6. CS
7. COMP
8. SS
9. BST
10. SW
11. PGND
12. AGND
13. IADJ
14. ISET
15. VREF
16. VSENSE
17. VOUT
18. VDD
19. VDD
20. VDD
21. VDD
22. VDD
23. VDD
24. VDD
25. VDD
26. VDD
27. VDD
28. VDD
29. VDD
30. VDD
31. VDD
32. VDD
33. VDD
34. VDD
35. VDD
36. VDD
37. VDD
38. VDD

Functional Features

• High efficiency LED driver with integrated power MOSFETs
• Wide input voltage range for versatile applications
• Dimming control options for brightness adjustment
• Constant current output for consistent LED performance
• Overvoltage, overcurrent, and overtemperature protection for enhanced reliability

Advantages and Disadvantages

Advantages: - High efficiency results in energy savings - Dimming control allows for flexible lighting scenarios - Integrated protection features ensure safe operation - Compact package size for space-constrained designs

Disadvantages: - Limited maximum output current of 3A may not be suitable for high-power LED applications - Requires external components for proper operation

Working Principles

The LM3464MHX/NOPB is a buck LED driver IC that converts the input voltage to a regulated constant current output for driving high-power LEDs. It utilizes a pulse-width modulation (PWM) control scheme to adjust the LED brightness. The IC incorporates power MOSFETs for efficient power conversion and includes various protection features to safeguard the LEDs and the driver circuitry.

Detailed Application Field Plans

The LM3464MHX/NOPB LED driver IC finds applications in various fields, including:

1. General lighting: Suitable for residential, commercial, and industrial lighting applications.
2. Automotive lighting: Can be used in automotive headlights, taillights, and interior lighting.
3. Display backlighting: Enables efficient and dimmable backlighting for LCD panels and displays.
4. Outdoor lighting: Ideal for streetlights, floodlights, and landscape lighting.
5. Signage and advertising: Provides reliable and adjustable illumination for signs and billboards.

Detailed and Complete Alternative Models

1. LM3409HV: High-voltage LED driver with similar features and performance.
2. LT3799: LED driver IC with integrated boost converter for higher output voltage applications.
3. TPS92560: Constant current buck LED driver with integrated diagnostics and fault protection.

These alternative models offer similar functionality and can be considered as substitutes for the LM3464MHX/NOPB in specific applications.

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