MP3397EF-LF-Z

Product Overview

• Category: Integrated Circuit (IC)
• Use: LED Driver
• Characteristics:
  • High efficiency
  • Wide input voltage range
  • Dimming control
  • Over-temperature protection
• Package: QFN-24
• Essence: This IC is designed to drive LEDs efficiently and provide dimming control for various lighting applications.
• Packaging/Quantity: Available in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

• Input Voltage Range: 6V to 40V
• Output Current Range: Up to 3A
• Switching Frequency: Adjustable up to 2MHz
• Dimming Control: Analog or PWM
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MP3397EF-LF-Z IC has a total of 24 pins. The pin configuration is as follows:

1. VIN: Input voltage
2. GND: Ground
3. EN: Enable pin
4. DIM: Dimming control input
5. FB: Feedback pin
6. VCC: Internal voltage supply
7. SW: Switch node
8. LX: Inductor connection
9. PGND: Power ground
10. AGND: Analog ground
11. NC: No connection
12. NC: No connection
13. NC: No connection
14. NC: No connection
15. NC: No connection
16. NC: No connection
17. NC: No connection
18. NC: No connection
19. NC: No connection
20. NC: No connection
21. NC: No connection
22. NC: No connection
23. NC: No connection
24. NC: No connection

Functional Features

• High efficiency conversion
• Wide input voltage range for versatile applications
• Dimming control options for brightness adjustment
• Over-temperature protection to ensure safe operation

Advantages and Disadvantages

Advantages: - High efficiency leads to energy savings - Wide input voltage range allows for flexibility in different applications - Dimming control enables customization of lighting levels - Over-temperature protection ensures safety and reliability

Disadvantages: - Limited output current range may not be suitable for high-power LED applications - Requires additional external components for proper operation

Working Principles

The MP3397EF-LF-Z is a buck LED driver IC that utilizes a high-frequency switching regulator to efficiently drive LEDs. It operates by converting the input voltage to a lower regulated voltage suitable for driving LEDs. The dimming control feature allows for adjusting the LED brightness by varying the duty cycle of the switching regulator. The IC also incorporates over-temperature protection to prevent damage due to excessive heat.

Detailed Application Field Plans

The MP3397EF-LF-Z LED driver IC finds applications in various lighting systems, including:

1. Indoor and outdoor LED lighting fixtures
2. Automotive lighting systems
3. Display backlighting
4. Signage and advertising displays
5. Architectural lighting
6. Street lighting

Detailed and Complete Alternative Models

1. MP3398EF-LF-Z: Similar to MP3397EF-LF-Z but with higher output current capability.
2. MP3399EF-LF-Z: Buck-boost LED driver IC with wider input voltage range.
3. MP3400EF-LF-Z: Boost LED driver IC for driving single or multiple LEDs in series.

These alternative models offer similar functionality and can be considered as alternatives to the MP3397EF-LF-Z based on specific application requirements.

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